Dummy commit

2026-04-08 02:23:58 -04:00 · 2025-11-19 11:21:54 +01:00
429 changed files with 5098 additions and 33598 deletions
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,15 +1,15 @@
-FROM golang:1.25-bookworm
+FROM golang:1.23-bullseye

 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
    && apt-get -y install --no-install-recommends\
-        gettext-base=0.21-12 \
-        iptables=1.8.9-2 \
-        libgl1-mesa-dev=22.3.6-1+deb12u1 \
-        xorg-dev=1:7.7+23 \
-        libayatana-appindicator3-dev=0.5.92-1 \
+        gettext-base=0.21-4 \ 
+        iptables=1.8.7-1 \
+        libgl1-mesa-dev=20.3.5-1 \
+        xorg-dev=1:7.7+22 \
+        libayatana-appindicator3-dev=0.5.5-2+deb11u2 \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* \
-    && go install -v golang.org/x/tools/gopls@latest
+    && go install -v golang.org/x/tools/gopls@v0.18.1


 WORKDIR /app
--- a/.githooks/pre-push
+++ b/.githooks/pre-push
@@ -1,11 +0,0 @@
-#!/bin/bash
-
-echo "Running pre-push hook..."
-if ! make lint; then
-    echo ""
-    echo "Hint: To push without verification, run:"
-    echo "  git push --no-verify"
-    exit 1
-fi
-
-echo "All checks passed!"
--- a/.github/workflows/golang-test-darwin.yml
+++ b/.github/workflows/golang-test-darwin.yml
@@ -15,14 +15,13 @@ jobs:
    name: "Client / Unit"
    runs-on: macos-latest
    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false
+      - name: Checkout code
+        uses: actions/checkout@v4

      - name: Cache Go modules
        uses: actions/cache@v4
--- a/.github/workflows/golang-test-freebsd.yml
+++ b/.github/workflows/golang-test-freebsd.yml
@@ -25,7 +25,7 @@ jobs:
          release: "14.2"
          prepare: |
            pkg install -y curl pkgconf xorg
-            GO_TARBALL="go1.25.3.freebsd-amd64.tar.gz"
+            GO_TARBALL="go1.23.12.freebsd-amd64.tar.gz"
            GO_URL="https://go.dev/dl/$GO_TARBALL"
            curl -vLO "$GO_URL"
            tar -C /usr/local -vxzf "$GO_TARBALL"            
@@ -39,7 +39,7 @@ jobs:
            # check all component except management, since we do not support management server on freebsd
            time go test -timeout 1m -failfast ./base62/...
            # NOTE: without -p1 `client/internal/dns` will fail because of `listen udp4 :33100: bind: address already in use`
-            time go test -timeout 8m -failfast -v -p 1 ./client/...
+            time go test -timeout 8m -failfast -p 1 ./client/...
            time go test -timeout 1m -failfast ./dns/...
            time go test -timeout 1m -failfast ./encryption/...
            time go test -timeout 1m -failfast ./formatter/...
--- a/.github/workflows/golang-test-linux.yml
+++ b/.github/workflows/golang-test-linux.yml
@@ -30,7 +30,7 @@ jobs:
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

      - name: Get Go environment
@@ -106,15 +106,15 @@ jobs:
        arch: [ '386','amd64' ]
    runs-on: ubuntu-22.04
    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Get Go environment
        run: |
          echo "cache=$(go env GOCACHE)" >> $GITHUB_ENV
@@ -151,15 +151,15 @@ jobs:
    needs: [ build-cache ]
    runs-on: ubuntu-22.04
    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Get Go environment
        id: go-env
        run: |
@@ -200,7 +200,7 @@ jobs:
            -e GOCACHE=${CONTAINER_GOCACHE} \
            -e GOMODCACHE=${CONTAINER_GOMODCACHE} \
            -e CONTAINER=${CONTAINER} \
-            golang:1.25-alpine \
+            golang:1.23-alpine \
            sh -c ' \
              apk update; apk add --no-cache \
                ca-certificates iptables ip6tables dbus dbus-dev libpcap-dev build-base; \
@@ -220,15 +220,15 @@ jobs:
            raceFlag: "-race"
    runs-on: ubuntu-22.04
    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Install dependencies
        if: steps.cache.outputs.cache-hit != 'true'
        run: sudo apt update && sudo apt install -y gcc-multilib g++-multilib libc6-dev-i386
@@ -259,7 +259,7 @@ jobs:
          CGO_ENABLED=1 GOARCH=${{ matrix.arch }} \
          go test ${{ matrix.raceFlag }} \
            -exec 'sudo' \
-            -timeout 10m -p 1 ./relay/... ./shared/relay/...
+            -timeout 10m ./relay/... ./shared/relay/...

  test_signal:
    name: "Signal / Unit"
@@ -270,15 +270,15 @@ jobs:
        arch: [ '386','amd64' ]
    runs-on: ubuntu-22.04
    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Install dependencies
        if: steps.cache.outputs.cache-hit != 'true'
        run: sudo apt update && sudo apt install -y gcc-multilib g++-multilib libc6-dev-i386
@@ -321,15 +321,15 @@ jobs:
        store: [ 'sqlite', 'postgres', 'mysql' ]
    runs-on: ubuntu-22.04
    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Get Go environment
        run: |
          echo "cache=$(go env GOCACHE)" >> $GITHUB_ENV
@@ -408,16 +408,15 @@ jobs:
            -v $PWD/prometheus.yml:/etc/prometheus/prometheus.yml \
            -p 9090:9090 \
            prom/prometheus
-
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Get Go environment
        run: |
          echo "cache=$(go env GOCACHE)" >> $GITHUB_ENV
@@ -498,15 +497,15 @@ jobs:
            -p 9090:9090 \
            prom/prometheus

-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Get Go environment
        run: |
          echo "cache=$(go env GOCACHE)" >> $GITHUB_ENV
@@ -562,15 +561,15 @@ jobs:
        store: [ 'sqlite', 'postgres']
    runs-on: ubuntu-22.04
    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Get Go environment
        run: |
          echo "cache=$(go env GOCACHE)" >> $GITHUB_ENV
--- a/.github/workflows/golang-test-windows.yml
+++ b/.github/workflows/golang-test-windows.yml
@@ -24,7 +24,7 @@ jobs:
        uses: actions/setup-go@v5
        id: go
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false

      - name: Get Go environment
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -46,16 +46,13 @@ jobs:
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
          cache: false
      - name: Install dependencies
        if: matrix.os == 'ubuntu-latest'
        run: sudo apt update && sudo apt install -y -q libgtk-3-dev libayatana-appindicator3-dev libgl1-mesa-dev xorg-dev libpcap-dev
      - name: golangci-lint
-        uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
+        uses: golangci/golangci-lint-action@v4
        with:
          version: latest
-          skip-cache: true
-          skip-save-cache: true
-          cache-invalidation-interval: 0
-          args: --timeout=12m
+          args: --timeout=12m --out-format colored-line-number
--- a/.github/workflows/mobile-build-validation.yml
+++ b/.github/workflows/mobile-build-validation.yml
@@ -20,7 +20,7 @@ jobs:
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
      - name: Setup Android SDK
        uses: android-actions/setup-android@v3
        with:
@@ -39,7 +39,7 @@ jobs:
      - name: Setup NDK
        run: /usr/local/lib/android/sdk/cmdline-tools/7.0/bin/sdkmanager --install "ndk;23.1.7779620"
      - name: install gomobile
-        run: go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20251113184115-a159579294ab
+        run: go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20240404231514-09dbf07665ed
      - name: gomobile init
        run: gomobile init
      - name: build android netbird lib
@@ -56,9 +56,9 @@ jobs:
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
      - name: install gomobile
-        run: go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20251113184115-a159579294ab
+        run: go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20240404231514-09dbf07665ed
      - name: gomobile init
        run: gomobile init
      - name: build iOS netbird lib
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ on:
  pull_request:

 env:
-  SIGN_PIPE_VER: "v0.1.0"
+  SIGN_PIPE_VER: "v0.0.23"
  GORELEASER_VER: "v2.3.2"
  PRODUCT_NAME: "NetBird"
  COPYRIGHT: "NetBird GmbH"
@@ -19,102 +19,8 @@ concurrency:
  cancel-in-progress: true

 jobs:
-  release_freebsd_port:
-    name: "FreeBSD Port / Build & Test"
-    runs-on: ubuntu-22.04
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Generate FreeBSD port diff
-        run: bash release_files/freebsd-port-diff.sh
-
-      - name: Generate FreeBSD port issue body
-        run: bash release_files/freebsd-port-issue-body.sh
-
-      - name: Check if diff was generated
-        id: check_diff
-        run: |
-          if ls netbird-*.diff 1> /dev/null 2>&1; then
-            echo "diff_exists=true" >> $GITHUB_OUTPUT
-          else
-            echo "diff_exists=false" >> $GITHUB_OUTPUT
-            echo "No diff file generated (port may already be up to date)"
-          fi
-
-      - name: Extract version
-        if: steps.check_diff.outputs.diff_exists == 'true'
-        id: version
-        run: |
-          VERSION=$(ls netbird-*.diff | sed 's/netbird-\(.*\)\.diff/\1/')
-          echo "version=$VERSION" >> $GITHUB_OUTPUT
-          echo "Generated files for version: $VERSION"
-          cat netbird-*.diff
-
-      - name: Test FreeBSD port
-        if: steps.check_diff.outputs.diff_exists == 'true'
-        uses: vmactions/freebsd-vm@v1
-        with:
-          usesh: true
-          copyback: false
-          release: "15.0"
-          prepare: |
-            # Install required packages
-            pkg install -y git curl portlint go
-
-            # Install Go for building
-            GO_TARBALL="go1.25.5.freebsd-amd64.tar.gz"
-            GO_URL="https://go.dev/dl/$GO_TARBALL"
-            curl -LO "$GO_URL"
-            tar -C /usr/local -xzf "$GO_TARBALL"
-
-            # Clone ports tree (shallow, only what we need)
-            git clone --depth 1 --filter=blob:none https://git.FreeBSD.org/ports.git /usr/ports
-            cd /usr/ports
-
-          run: |
-            set -e -x
-            export PATH=$PATH:/usr/local/go/bin
-
-            # Find the diff file
-            echo "Finding diff file..."
-            DIFF_FILE=$(find $PWD -name "netbird-*.diff" -type f 2>/dev/null | head -1)
-            echo "Found: $DIFF_FILE"
-
-            if [[ -z "$DIFF_FILE" ]]; then
-              echo "ERROR: Could not find diff file"
-              find ~ -name "*.diff" -type f 2>/dev/null || true
-              exit 1
-            fi
-
-            # Apply the generated diff from /usr/ports (diff has a/security/netbird/... paths)
-            cd /usr/ports
-            patch -p1 -V none < "$DIFF_FILE"
-
-            # Show patched Makefile
-            version=$(cat security/netbird/Makefile | grep -E '^DISTVERSION=' | awk '{print $NF}')
-            
-            cd /usr/ports/security/netbird
-            export BATCH=yes
-            make package
-            pkg add ./work/pkg/netbird-*.pkg
-            
-            netbird version | grep "$version"
-
-            echo "FreeBSD port test completed successfully!"
-
-      - name: Upload FreeBSD port files
-        if: steps.check_diff.outputs.diff_exists == 'true'
-        uses: actions/upload-artifact@v4
-        with:
-          name: freebsd-port-files
-          path: |
-            ./netbird-*-issue.txt
-            ./netbird-*.diff
-          retention-days: 30
-
  release:
-    runs-on: ubuntu-latest-m
+    runs-on: ubuntu-22.04
    env:
      flags: ""
    steps:
@@ -134,7 +40,7 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23"
          cache: false
      - name: Cache Go modules
        uses: actions/cache@v4
@@ -230,7 +136,7 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23"
          cache: false
      - name: Cache Go modules
        uses: actions/cache@v4
@@ -294,7 +200,7 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23"
          cache: false
      - name: Cache Go modules
        uses: actions/cache@v4
--- a/.github/workflows/test-infrastructure-files.yml
+++ b/.github/workflows/test-infrastructure-files.yml
@@ -67,13 +67,10 @@ jobs:
      - name: Install curl
        run: sudo apt-get install -y curl

-      - name: Checkout code
-        uses: actions/checkout@v4
-
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"

      - name: Cache Go modules
        uses: actions/cache@v4
@@ -83,6 +80,9 @@ jobs:
          restore-keys: |
            ${{ runner.os }}-go-

+      - name: Checkout code
+        uses: actions/checkout@v4
+
      - name: Setup MySQL privileges
        if: matrix.store == 'mysql'
        run: |
@@ -243,7 +243,6 @@ jobs:
        working-directory: infrastructure_files/artifacts
        run: |
          sleep 30
-          docker compose logs
          docker compose exec management ls -l /var/lib/netbird/ | grep -i GeoLite2-City_[0-9]*.mmdb
          docker compose exec management ls -l /var/lib/netbird/ | grep -i geonames_[0-9]*.db

--- a/.github/workflows/wasm-build-validation.yml
+++ b/.github/workflows/wasm-build-validation.yml
@@ -14,27 +14,26 @@ jobs:
  js_lint:
    name: "JS / Lint"
    runs-on: ubuntu-latest
-    env:
-      GOOS: js
-      GOARCH: wasm
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
      - name: Install dependencies
        run: sudo apt update && sudo apt install -y -q libgtk-3-dev libayatana-appindicator3-dev libgl1-mesa-dev xorg-dev libpcap-dev
      - name: Install golangci-lint
-        uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
+        uses: golangci/golangci-lint-action@d6238b002a20823d52840fda27e2d4891c5952dc
        with:
          version: latest
          install-mode: binary
          skip-cache: true
-          skip-save-cache: true
-          cache-invalidation-interval: 0
-          working-directory: ./client
+          skip-pkg-cache: true
+          skip-build-cache: true
+      - name: Run golangci-lint for WASM
+        run: |
+          GOOS=js GOARCH=wasm golangci-lint run --timeout=12m --out-format colored-line-number ./client/...
        continue-on-error: true

  js_build:
@@ -46,7 +45,7 @@ jobs:
      - name: Install Go
        uses: actions/setup-go@v5
        with:
-          go-version-file: "go.mod"
+          go-version: "1.23.x"
      - name: Build Wasm client
        run: GOOS=js GOARCH=wasm go build -o netbird.wasm ./client/wasm/cmd
        env:
@@ -61,8 +60,8 @@ jobs:

          echo "Size: ${SIZE} bytes (${SIZE_MB} MB)"

-          if [ ${SIZE} -gt 57671680 ]; then
-            echo "Wasm binary size (${SIZE_MB}MB) exceeds 55MB limit!"
+          if [ ${SIZE} -gt 52428800 ]; then
+            echo "Wasm binary size (${SIZE_MB}MB) exceeds 50MB limit!"
            exit 1
          fi

--- a/.gitignore
+++ b/.gitignore
@@ -31,4 +31,3 @@ infrastructure_files/setup-*.env
 .DS_Store
 vendor/
 /netbird
-client/netbird-electron/
--- a/.golangci.yaml
+++ b/.golangci.yaml
@@ -1,124 +1,139 @@
-version: "2"
-linters:
-  default: none
-  enable:
-    - bodyclose
-    - dupword
-    - durationcheck
-    - errcheck
-    - forbidigo
-    - gocritic
-    - gosec
-    - govet
-    - ineffassign
-    - mirror
-    - misspell
-    - nilerr
-    - nilnil
-    - predeclared
-    - revive
-    - sqlclosecheck
-    - staticcheck
-    - unused
-    - wastedassign
-  settings:
-    errcheck:
-      check-type-assertions: false
-    gocritic:
-      disabled-checks:
-        - commentFormatting
-        - captLocal
-        - deprecatedComment
-    gosec:
-      includes:
-        - G101
-        - G103
-        - G104
-        - G106
-        - G108
-        - G109
-        - G110
-        - G111
-        - G201
-        - G202
-        - G203
-        - G301
-        - G302
-        - G303
-        - G304
-        - G305
-        - G306
-        - G307
-        - G403
-        - G502
-        - G503
-        - G504
-        - G601
-        - G602
-    govet:
-      enable:
-        - nilness
-      enable-all: false
-    revive:
-      rules:
-        - name: exported
-          arguments:
-            - checkPrivateReceivers
-            - sayRepetitiveInsteadOfStutters
-          severity: warning
-          disabled: false
-  exclusions:
-    generated: lax
-    presets:
-      - comments
-      - common-false-positives
-      - legacy
-      - std-error-handling
+run:
+  # Timeout for analysis, e.g. 30s, 5m.
+  # Default: 1m
+  timeout: 6m
+
+# This file contains only configs which differ from defaults.
+# All possible options can be found here https://github.com/golangci/golangci-lint/blob/master/.golangci.reference.yml
+linters-settings:
+  errcheck:
+    # Report about not checking of errors in type assertions: `a := b.(MyStruct)`.
+    # Such cases aren't reported by default.
+    # Default: false
+    check-type-assertions: false
+
+  gosec:
+    includes:
+      - G101 # Look for hard coded credentials
+      #- G102 # Bind to all interfaces
+      - G103 # Audit the use of unsafe block
+      - G104 # Audit errors not checked
+      - G106 # Audit the use of ssh.InsecureIgnoreHostKey
+      #- G107 # Url provided to HTTP request as taint input
+      - G108 # Profiling endpoint automatically exposed on /debug/pprof
+      - G109 # Potential Integer overflow made by strconv.Atoi result conversion to int16/32
+      - G110 # Potential DoS vulnerability via decompression bomb
+      - G111 # Potential directory traversal
+      #- G112 # Potential slowloris attack
+      - G113 # Usage of Rat.SetString in math/big with an overflow (CVE-2022-23772)
+      #- G114 # Use of net/http serve function that has no support for setting timeouts
+      - G201 # SQL query construction using format string
+      - G202 # SQL query construction using string concatenation
+      - G203 # Use of unescaped data in HTML templates
+      #- G204 # Audit use of command execution
+      - G301 # Poor file permissions used when creating a directory
+      - G302 # Poor file permissions used with chmod
+      - G303 # Creating tempfile using a predictable path
+      - G304 # File path provided as taint input
+      - G305 # File traversal when extracting zip/tar archive
+      - G306 # Poor file permissions used when writing to a new file
+      - G307 # Poor file permissions used when creating a file with os.Create
+      #- G401 # Detect the usage of DES, RC4, MD5 or SHA1
+      #- G402 # Look for bad TLS connection settings
+      - G403 # Ensure minimum RSA key length of 2048 bits
+      #- G404 # Insecure random number source (rand)
+      #- G501 # Import blocklist: crypto/md5
+      - G502 # Import blocklist: crypto/des
+      - G503 # Import blocklist: crypto/rc4
+      - G504 # Import blocklist: net/http/cgi
+      #- G505 # Import blocklist: crypto/sha1
+      - G601 # Implicit memory aliasing of items from a range statement
+      - G602 # Slice access out of bounds
+
+  gocritic:
+    disabled-checks:
+      - commentFormatting
+      - captLocal
+      - deprecatedComment
+
+  govet:
+    # Enable all analyzers.
+    # Default: false
+    enable-all: false
+    enable:
+      - nilness
+
+  revive:
    rules:
-      - linters:
-          - forbidigo
-        path: management/cmd/root\.go
-      - linters:
-          - forbidigo
-        path: signal/cmd/root\.go
-      - linters:
-          - unused
-        path: sharedsock/filter\.go
-      - linters:
-          - unused
-        path: client/firewall/iptables/rule\.go
-      - linters:
-          - gosec
-          - mirror
-        path: test\.go
-      - linters:
-          - nilnil
-        path: mock\.go
-      - linters:
-          - staticcheck
-        text: grpc.DialContext is deprecated
-      - linters:
-          - staticcheck
-        text: grpc.WithBlock is deprecated
-      - linters:
-          - staticcheck
-        text: "QF1001"
-      - linters:
-          - staticcheck
-        text: "QF1008"
-      - linters:
-          - staticcheck
-        text: "QF1012"
-    paths:
-      - third_party$
-      - builtin$
-      - examples$
+      - name: exported
+        severity: warning
+        disabled: false
+        arguments:
+          - "checkPrivateReceivers"
+          - "sayRepetitiveInsteadOfStutters"
+  tenv:
+    # The option `all` will run against whole test files (`_test.go`) regardless of method/function signatures.
+    # Otherwise, only methods that take `*testing.T`, `*testing.B`, and `testing.TB` as arguments are checked.
+    # Default: false
+    all: true
+
+linters:
+  disable-all: true
+  enable:
+    ## enabled by default
+    - errcheck # checking for unchecked errors, these unchecked errors can be critical bugs in some cases
+    - gosimple # specializes in simplifying a code
+    - govet # reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
+    - ineffassign # detects when assignments to existing variables are not used
+    - staticcheck # is a go vet on steroids, applying a ton of static analysis checks
+    - tenv # Tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17.
+    - typecheck # like the front-end of a Go compiler, parses and type-checks Go code
+    - unused # checks for unused constants, variables, functions and types
+    ## disable by default but the have interesting results so lets add them
+    - bodyclose # checks whether HTTP response body is closed successfully
+    - dupword # dupword checks for duplicate words in the source code
+    - durationcheck # durationcheck checks for two durations multiplied together
+    - forbidigo # forbidigo forbids identifiers
+    - gocritic # provides diagnostics that check for bugs, performance and style issues
+    - gosec # inspects source code for security problems
+    - mirror # mirror reports wrong mirror patterns of bytes/strings usage
+    - misspell # misspess finds commonly misspelled English words in comments
+    - nilerr # finds the code that returns nil even if it checks that the error is not nil
+    - nilnil # checks that there is no simultaneous return of nil error and an invalid value
+    - predeclared # predeclared finds code that shadows one of Go's predeclared identifiers
+    - revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.
+    - sqlclosecheck # checks that sql.Rows and sql.Stmt are closed
+    # - thelper # thelper detects Go test helpers without t.Helper() call and checks the consistency of test helpers.
+    - wastedassign # wastedassign finds wasted assignment statements
 issues:
+  # Maximum count of issues with the same text.
+  # Set to 0 to disable.
+  # Default: 3
  max-same-issues: 5
-formatters:
-  exclusions:
-    generated: lax
-    paths:
-      - third_party$
-      - builtin$
-      - examples$
+
+  exclude-rules:
+    # allow fmt
+    - path: management/cmd/root\.go
+      linters: forbidigo
+    - path: signal/cmd/root\.go
+      linters: forbidigo
+    - path: sharedsock/filter\.go
+      linters:
+      - unused
+    - path: client/firewall/iptables/rule\.go
+      linters:
+      - unused
+    - path: test\.go
+      linters:
+      - mirror
+      - gosec
+    - path: mock\.go
+      linters:
+      - nilnil
+    # Exclude specific deprecation warnings for grpc methods
+    - linters:
+       - staticcheck
+      text: "grpc.DialContext is deprecated"
+    - linters:
+        - staticcheck
+      text: "grpc.WithBlock is deprecated"
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@@ -713,10 +713,8 @@ checksum:
  extra_files:
    - glob: ./infrastructure_files/getting-started-with-zitadel.sh
    - glob: ./release_files/install.sh
-    - glob: ./infrastructure_files/getting-started.sh

 release:
  extra_files:
    - glob: ./infrastructure_files/getting-started-with-zitadel.sh
    - glob: ./release_files/install.sh
-    - glob: ./infrastructure_files/getting-started.sh
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -136,14 +136,6 @@ checked out and set up:
   go mod tidy
   ```

-6. Configure Git hooks for automatic linting:
-
-   ```bash
-   make setup-hooks
-   ```
-
-   This will configure Git to run linting automatically before each push, helping catch issues early.
-
 ### Dev Container Support

 If you prefer using a dev container for development, NetBird now includes support for dev containers. 
--- a/27
+++ b/27
@@ -1,27 +0,0 @@
-.PHONY: lint lint-all lint-install setup-hooks
-GOLANGCI_LINT := $(shell pwd)/bin/golangci-lint
-
-# Install golangci-lint locally if needed
-$(GOLANGCI_LINT):
-	@echo "Installing golangci-lint..."
-	@mkdir -p ./bin
-	@GOBIN=$(shell pwd)/bin go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
-
-# Lint only changed files (fast, for pre-push)
-lint: $(GOLANGCI_LINT)
-	@echo "Running lint on changed files..."
-	@$(GOLANGCI_LINT) run --new-from-rev=origin/main --timeout=2m
-
-# Lint entire codebase (slow, matches CI)
-lint-all: $(GOLANGCI_LINT)
-	@echo "Running lint on all files..."
-	@$(GOLANGCI_LINT) run --timeout=12m
-
-# Just install the linter
-lint-install: $(GOLANGCI_LINT)
-
-# Setup git hooks for all developers
-setup-hooks:
-	@git config core.hooksPath .githooks
-	@chmod +x .githooks/pre-push
-	@echo "✅ Git hooks configured! Pre-push will now run 'make lint'"
--- a/README.md
+++ b/README.md
@@ -38,11 +38,6 @@
 
 </strong>
 <br>
-<strong>
-  🚀 <a href="https://careers.netbird.io">We are hiring! Join us at careers.netbird.io</a>
-</strong>
-<br>
-<br>
 <a href="https://registry.terraform.io/providers/netbirdio/netbird/latest">
    New: NetBird terraform provider
  </a> 
@@ -90,7 +85,7 @@ Follow the [Advanced guide with a custom identity provider](https://docs.netbird

 **Infrastructure requirements:**
 - A Linux VM with at least **1CPU** and **2GB** of memory.
- The VM should be publicly accessible on TCP ports **80** and **443** and UDP port: **3478**.
+- The VM should be publicly accessible on TCP ports **80** and **443** and UDP ports: **3478**, **49152-65535**.
 - **Public domain** name pointing to the VM.

 **Software requirements:**
@@ -103,7 +98,7 @@ Follow the [Advanced guide with a custom identity provider](https://docs.netbird
 **Steps**
 - Download and run the installation script:
 ```bash
-export NETBIRD_DOMAIN=netbird.example.com; curl -fsSL https://github.com/netbirdio/netbird/releases/latest/download/getting-started.sh | bash
+export NETBIRD_DOMAIN=netbird.example.com; curl -fsSL https://github.com/netbirdio/netbird/releases/latest/download/getting-started-with-zitadel.sh | bash
 ```
 - Once finished, you can manage the resources via `docker-compose`

@@ -118,7 +113,7 @@ export NETBIRD_DOMAIN=netbird.example.com; curl -fsSL https://github.com/netbird
 [Coturn](https://github.com/coturn/coturn) is the one that has been successfully used for STUN and TURN in NetBird setups.

 <p float="left" align="middle">
-  <img src="https://docs.netbird.io/docs-static/img/about-netbird/high-level-dia.png" width="700"/>
+  <img src="https://docs.netbird.io/docs-static/img/architecture/high-level-dia.png" width="700"/>
 </p>

 See a complete [architecture overview](https://docs.netbird.io/about-netbird/how-netbird-works#architecture) for details.
--- a/client/android/client.go
+++ b/client/android/client.go
@@ -4,13 +4,10 @@ package android

 import (
 	"context"
-	"fmt"
 	"os"
 	"slices"
 	"sync"

-	"golang.org/x/exp/maps"
-
 	log "github.com/sirupsen/logrus"

 	"github.com/netbirdio/netbird/client/iface/device"
@@ -19,13 +16,10 @@ import (
 	"github.com/netbirdio/netbird/client/internal/listener"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/internal/routemanager"
 	"github.com/netbirdio/netbird/client/internal/stdnet"
 	"github.com/netbirdio/netbird/client/net"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/formatter"
-	"github.com/netbirdio/netbird/route"
-	"github.com/netbirdio/netbird/shared/management/domain"
 )

 // ConnectionListener export internal Listener for mobile
@@ -59,6 +53,7 @@ func init() {

 // Client struct manage the life circle of background service
 type Client struct {
+	cfgFile               string
 	tunAdapter            device.TunAdapter
 	iFaceDiscover         IFaceDiscover
 	recorder              *peer.Status
@@ -72,11 +67,12 @@ type Client struct {
 }

 // NewClient instantiate a new Client
-func NewClient(androidSDKVersion int, deviceName string, uiVersion string, tunAdapter TunAdapter, iFaceDiscover IFaceDiscover, networkChangeListener NetworkChangeListener) *Client {
+func NewClient(cfgFile string, androidSDKVersion int, deviceName string, uiVersion string, tunAdapter TunAdapter, iFaceDiscover IFaceDiscover, networkChangeListener NetworkChangeListener) *Client {
 	execWorkaround(androidSDKVersion)

 	net.SetAndroidProtectSocketFn(tunAdapter.ProtectSocket)
 	return &Client{
+		cfgFile:               cfgFile,
 		deviceName:            deviceName,
 		uiVersion:             uiVersion,
 		tunAdapter:            tunAdapter,
@@ -88,16 +84,10 @@ func NewClient(androidSDKVersion int, deviceName string, uiVersion string, tunAd
 }

 // Run start the internal client. It is a blocker function
-func (c *Client) Run(platformFiles PlatformFiles, urlOpener URLOpener, isAndroidTV bool, dns *DNSList, dnsReadyListener DnsReadyListener, envList *EnvList) error {
+func (c *Client) Run(urlOpener URLOpener, dns *DNSList, dnsReadyListener DnsReadyListener, envList *EnvList) error {
 	exportEnvList(envList)
-
-	cfgFile := platformFiles.ConfigurationFilePath()
-	stateFile := platformFiles.StateFilePath()
-
-	log.Infof("Starting client with config: %s, state: %s", cfgFile, stateFile)
-
 	cfg, err := profilemanager.UpdateOrCreateConfig(profilemanager.ConfigInput{
-		ConfigPath: cfgFile,
+		ConfigPath: c.cfgFile,
 	})
 	if err != nil {
 		return err
@@ -117,29 +107,23 @@ func (c *Client) Run(platformFiles PlatformFiles, urlOpener URLOpener, isAndroid
 	c.ctxCancelLock.Unlock()

 	auth := NewAuthWithConfig(ctx, cfg)
-	err = auth.login(urlOpener, isAndroidTV)
+	err = auth.login(urlOpener)
 	if err != nil {
 		return err
 	}

 	// todo do not throw error in case of cancelled context
 	ctx = internal.CtxInitState(ctx)
-	c.connectClient = internal.NewConnectClient(ctx, cfg, c.recorder, false)
-	return c.connectClient.RunOnAndroid(c.tunAdapter, c.iFaceDiscover, c.networkChangeListener, slices.Clone(dns.items), dnsReadyListener, stateFile)
+	c.connectClient = internal.NewConnectClient(ctx, cfg, c.recorder)
+	return c.connectClient.RunOnAndroid(c.tunAdapter, c.iFaceDiscover, c.networkChangeListener, slices.Clone(dns.items), dnsReadyListener)
 }

 // RunWithoutLogin we apply this type of run function when the backed has been started without UI (i.e. after reboot).
 // In this case make no sense handle registration steps.
-func (c *Client) RunWithoutLogin(platformFiles PlatformFiles, dns *DNSList, dnsReadyListener DnsReadyListener, envList *EnvList) error {
+func (c *Client) RunWithoutLogin(dns *DNSList, dnsReadyListener DnsReadyListener, envList *EnvList) error {
 	exportEnvList(envList)
-
-	cfgFile := platformFiles.ConfigurationFilePath()
-	stateFile := platformFiles.StateFilePath()
-
-	log.Infof("Starting client without login with config: %s, state: %s", cfgFile, stateFile)
-
 	cfg, err := profilemanager.UpdateOrCreateConfig(profilemanager.ConfigInput{
-		ConfigPath: cfgFile,
+		ConfigPath: c.cfgFile,
 	})
 	if err != nil {
 		return err
@@ -157,8 +141,8 @@ func (c *Client) RunWithoutLogin(platformFiles PlatformFiles, dns *DNSList, dnsR

 	// todo do not throw error in case of cancelled context
 	ctx = internal.CtxInitState(ctx)
-	c.connectClient = internal.NewConnectClient(ctx, cfg, c.recorder, false)
-	return c.connectClient.RunOnAndroid(c.tunAdapter, c.iFaceDiscover, c.networkChangeListener, slices.Clone(dns.items), dnsReadyListener, stateFile)
+	c.connectClient = internal.NewConnectClient(ctx, cfg, c.recorder)
+	return c.connectClient.RunOnAndroid(c.tunAdapter, c.iFaceDiscover, c.networkChangeListener, slices.Clone(dns.items), dnsReadyListener)
 }

 // Stop the internal client and free the resources
@@ -172,19 +156,6 @@ func (c *Client) Stop() {
 	c.ctxCancel()
 }

-func (c *Client) RenewTun(fd int) error {
-	if c.connectClient == nil {
-		return fmt.Errorf("engine not running")
-	}
-
-	e := c.connectClient.Engine()
-	if e == nil {
-		return fmt.Errorf("engine not initialized")
-	}
-
-	return e.RenewTun(fd)
-}
-
 // SetTraceLogLevel configure the logger to trace level
 func (c *Client) SetTraceLogLevel() {
 	log.SetLevel(log.TraceLevel)
@@ -206,7 +177,6 @@ func (c *Client) PeersList() *PeerInfoArray {
 			p.IP,
 			p.FQDN,
 			p.ConnStatus.String(),
-			PeerRoutes{routes: maps.Keys(p.GetRoutes())},
 		}
 		peerInfos[n] = pi
 	}
@@ -231,43 +201,31 @@ func (c *Client) Networks() *NetworkArray {
 		return nil
 	}

-	routeSelector := routeManager.GetRouteSelector()
-	if routeSelector == nil {
-		log.Error("could not get route selector")
-		return nil
-	}
-
 	networkArray := &NetworkArray{
 		items: make([]Network, 0),
 	}

-	resolvedDomains := c.recorder.GetResolvedDomainsStates()
-
 	for id, routes := range routeManager.GetClientRoutesWithNetID() {
 		if len(routes) == 0 {
 			continue
 		}

 		r := routes[0]
-		domains := c.getNetworkDomainsFromRoute(r, resolvedDomains)
 		netStr := r.Network.String()
-
 		if r.IsDynamic() {
 			netStr = r.Domains.SafeString()
 		}

-		routePeer, err := c.recorder.GetPeer(routes[0].Peer)
+		peer, err := c.recorder.GetPeer(routes[0].Peer)
 		if err != nil {
 			log.Errorf("could not get peer info for %s: %v", routes[0].Peer, err)
 			continue
 		}
 		network := Network{
-			Name:       string(id),
-			Network:    netStr,
-			Peer:       routePeer.FQDN,
-			Status:     routePeer.ConnStatus.String(),
-			IsSelected: routeSelector.IsSelected(id),
-			Domains:    domains,
+			Name:    string(id),
+			Network: netStr,
+			Peer:    peer.FQDN,
+			Status:  peer.ConnStatus.String(),
 		}
 		networkArray.Add(network)
 	}
@@ -295,69 +253,6 @@ func (c *Client) RemoveConnectionListener() {
 	c.recorder.RemoveConnectionListener()
 }

-func (c *Client) toggleRoute(command routeCommand) error {
-	return command.toggleRoute()
-}
-
-func (c *Client) getRouteManager() (routemanager.Manager, error) {
-	client := c.connectClient
-	if client == nil {
-		return nil, fmt.Errorf("not connected")
-	}
-
-	engine := client.Engine()
-	if engine == nil {
-		return nil, fmt.Errorf("engine is not running")
-	}
-
-	manager := engine.GetRouteManager()
-	if manager == nil {
-		return nil, fmt.Errorf("could not get route manager")
-	}
-
-	return manager, nil
-}
-
-func (c *Client) SelectRoute(route string) error {
-	manager, err := c.getRouteManager()
-	if err != nil {
-		return err
-	}
-
-	return c.toggleRoute(selectRouteCommand{route: route, manager: manager})
-}
-
-func (c *Client) DeselectRoute(route string) error {
-	manager, err := c.getRouteManager()
-	if err != nil {
-		return err
-	}
-
-	return c.toggleRoute(deselectRouteCommand{route: route, manager: manager})
-}
-
-// getNetworkDomainsFromRoute extracts domains from a route and enriches each domain
-// with its resolved IP addresses from the provided resolvedDomains map.
-func (c *Client) getNetworkDomainsFromRoute(route *route.Route, resolvedDomains map[domain.Domain]peer.ResolvedDomainInfo) NetworkDomains {
-	domains := NetworkDomains{}
-
-	for _, d := range route.Domains {
-		networkDomain := NetworkDomain{
-			Address: d.SafeString(),
-		}
-
-		if info, exists := resolvedDomains[d]; exists {
-			for _, prefix := range info.Prefixes {
-				networkDomain.addResolvedIP(prefix.Addr().String())
-			}
-		}
-
-		domains.Add(&networkDomain)
-	}
-
-	return domains
-}
-
 func exportEnvList(list *EnvList) {
 	if list == nil {
 		return
--- a/client/android/login.go
+++ b/client/android/login.go
@@ -32,7 +32,7 @@ type ErrListener interface {
 // URLOpener it is a callback interface. The Open function will be triggered if
 // the backend want to show an url for the user
 type URLOpener interface {
-	Open(url string, userCode string)
+	Open(string)
 	OnLoginSuccess()
 }

@@ -148,9 +148,9 @@ func (a *Auth) loginWithSetupKeyAndSaveConfig(setupKey string, deviceName string
 }

 // Login try register the client on the server
-func (a *Auth) Login(resultListener ErrListener, urlOpener URLOpener, isAndroidTV bool) {
+func (a *Auth) Login(resultListener ErrListener, urlOpener URLOpener) {
 	go func() {
-		err := a.login(urlOpener, isAndroidTV)
+		err := a.login(urlOpener)
 		if err != nil {
 			resultListener.OnError(err)
 		} else {
@@ -159,7 +159,7 @@ func (a *Auth) Login(resultListener ErrListener, urlOpener URLOpener, isAndroidT
 	}()
 }

-func (a *Auth) login(urlOpener URLOpener, isAndroidTV bool) error {
+func (a *Auth) login(urlOpener URLOpener) error {
 	var needsLogin bool

 	// check if we need to generate JWT token
@@ -173,7 +173,7 @@ func (a *Auth) login(urlOpener URLOpener, isAndroidTV bool) error {

 	jwtToken := ""
 	if needsLogin {
-		tokenInfo, err := a.foregroundGetTokenInfo(urlOpener, isAndroidTV)
+		tokenInfo, err := a.foregroundGetTokenInfo(urlOpener)
 		if err != nil {
 			return fmt.Errorf("interactive sso login failed: %v", err)
 		}
@@ -199,8 +199,8 @@ func (a *Auth) login(urlOpener URLOpener, isAndroidTV bool) error {
 	return nil
 }

-func (a *Auth) foregroundGetTokenInfo(urlOpener URLOpener, isAndroidTV bool) (*auth.TokenInfo, error) {
-	oAuthFlow, err := auth.NewOAuthFlow(a.ctx, a.config, false, isAndroidTV, "")
+func (a *Auth) foregroundGetTokenInfo(urlOpener URLOpener) (*auth.TokenInfo, error) {
+	oAuthFlow, err := auth.NewOAuthFlow(a.ctx, a.config, false, "")
 	if err != nil {
 		return nil, err
 	}
@@ -210,7 +210,7 @@ func (a *Auth) foregroundGetTokenInfo(urlOpener URLOpener, isAndroidTV bool) (*a
 		return nil, fmt.Errorf("getting a request OAuth flow info failed: %v", err)
 	}

-	go urlOpener.Open(flowInfo.VerificationURIComplete, flowInfo.UserCode)
+	go urlOpener.Open(flowInfo.VerificationURIComplete)

 	waitTimeout := time.Duration(flowInfo.ExpiresIn) * time.Second
 	waitCTX, cancel := context.WithTimeout(a.ctx, waitTimeout)
--- a/client/android/network_domains.go
+++ b/client/android/network_domains.go
@@ -1,56 +0,0 @@
-//go:build android
-
-package android
-
-import "fmt"
-
-type ResolvedIPs struct {
-	resolvedIPs []string
-}
-
-func (r *ResolvedIPs) Add(ipAddress string) {
-	r.resolvedIPs = append(r.resolvedIPs, ipAddress)
-}
-
-func (r *ResolvedIPs) Get(i int) (string, error) {
-	if i < 0 || i >= len(r.resolvedIPs) {
-		return "", fmt.Errorf("%d is out of range", i)
-	}
-	return r.resolvedIPs[i], nil
-}
-
-func (r *ResolvedIPs) Size() int {
-	return len(r.resolvedIPs)
-}
-
-type NetworkDomain struct {
-	Address     string
-	resolvedIPs ResolvedIPs
-}
-
-func (d *NetworkDomain) addResolvedIP(resolvedIP string) {
-	d.resolvedIPs.Add(resolvedIP)
-}
-
-func (d *NetworkDomain) GetResolvedIPs() *ResolvedIPs {
-	return &d.resolvedIPs
-}
-
-type NetworkDomains struct {
-	domains []*NetworkDomain
-}
-
-func (n *NetworkDomains) Add(domain *NetworkDomain) {
-	n.domains = append(n.domains, domain)
-}
-
-func (n *NetworkDomains) Get(i int) (*NetworkDomain, error) {
-	if i < 0 || i >= len(n.domains) {
-		return nil, fmt.Errorf("%d is out of range", i)
-	}
-	return n.domains[i], nil
-}
-
-func (n *NetworkDomains) Size() int {
-	return len(n.domains)
-}
--- a/client/android/networks.go
+++ b/client/android/networks.go
@@ -3,16 +3,10 @@
 package android

 type Network struct {
-	Name       string
-	Network    string
-	Peer       string
-	Status     string
-	IsSelected bool
-	Domains    NetworkDomains
-}
-
-func (n Network) GetNetworkDomains() *NetworkDomains {
-	return &n.Domains
+	Name    string
+	Network string
+	Peer    string
+	Status  string
 }

 type NetworkArray struct {
--- a/client/android/peer_notifier.go
+++ b/client/android/peer_notifier.go
@@ -1,5 +1,3 @@
-//go:build android
-
 package android

 // PeerInfo describe information about the peers. It designed for the UI usage
@@ -7,11 +5,6 @@ type PeerInfo struct {
 	IP         string
 	FQDN       string
 	ConnStatus string // Todo replace to enum
-	Routes     PeerRoutes
-}
-
-func (p *PeerInfo) GetPeerRoutes() *PeerRoutes {
-	return &p.Routes
 }

 // PeerInfoArray is a wrapper of []PeerInfo
--- a/client/android/peer_routes.go
+++ b/client/android/peer_routes.go
@@ -1,20 +0,0 @@
-//go:build android
-
-package android
-
-import "fmt"
-
-type PeerRoutes struct {
-	routes []string
-}
-
-func (p *PeerRoutes) Get(i int) (string, error) {
-	if i < 0 || i >= len(p.routes) {
-		return "", fmt.Errorf("%d is out of range", i)
-	}
-	return p.routes[i], nil
-}
-
-func (p *PeerRoutes) Size() int {
-	return len(p.routes)
-}
--- a/client/android/platform_files.go
+++ b/client/android/platform_files.go
@@ -1,10 +0,0 @@
-//go:build android
-
-package android
-
-// PlatformFiles groups paths to files used internally by the engine that can't be created/modified
-// at their default locations due to android OS restrictions.
-type PlatformFiles interface {
-	ConfigurationFilePath() string
-	StateFilePath() string
-}
--- a/client/android/profile_manager.go
+++ b/client/android/profile_manager.go
@@ -1,257 +0,0 @@
-//go:build android
-
-package android
-
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-	"strings"
-
-	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/internal/profilemanager"
-)
-
-const (
-	// Android-specific config filename (different from desktop default.json)
-	defaultConfigFilename = "netbird.cfg"
-	// Subdirectory for non-default profiles (must match Java Preferences.java)
-	profilesSubdir = "profiles"
-	// Android uses a single user context per app (non-empty username required by ServiceManager)
-	androidUsername = "android"
-)
-
-// Profile represents a profile for gomobile
-type Profile struct {
-	Name     string
-	IsActive bool
-}
-
-// ProfileArray wraps profiles for gomobile compatibility
-type ProfileArray struct {
-	items []*Profile
-}
-
-// Length returns the number of profiles
-func (p *ProfileArray) Length() int {
-	return len(p.items)
-}
-
-// Get returns the profile at index i
-func (p *ProfileArray) Get(i int) *Profile {
-	if i < 0 || i >= len(p.items) {
-		return nil
-	}
-	return p.items[i]
-}
-
-/*
-
-/data/data/io.netbird.client/files/           ← configDir parameter
-├── netbird.cfg                                 ← Default profile config
-├── state.json                                  ← Default profile state
-├── active_profile.json                         ← Active profile tracker (JSON with Name + Username)
-└── profiles/                                   ← Subdirectory for non-default profiles
-    ├── work.json                              ← Work profile config
-    ├── work.state.json                        ← Work profile state
-    ├── personal.json                          ← Personal profile config
-    └── personal.state.json                    ← Personal profile state
-*/
-
-// ProfileManager manages profiles for Android
-// It wraps the internal profilemanager to provide Android-specific behavior
-type ProfileManager struct {
-	configDir  string
-	serviceMgr *profilemanager.ServiceManager
-}
-
-// NewProfileManager creates a new profile manager for Android
-func NewProfileManager(configDir string) *ProfileManager {
-	// Set the default config path for Android (stored in root configDir, not profiles/)
-	defaultConfigPath := filepath.Join(configDir, defaultConfigFilename)
-
-	// Set global paths for Android
-	profilemanager.DefaultConfigPathDir = configDir
-	profilemanager.DefaultConfigPath = defaultConfigPath
-	profilemanager.ActiveProfileStatePath = filepath.Join(configDir, "active_profile.json")
-
-	// Create ServiceManager with profiles/ subdirectory
-	// This avoids modifying the global ConfigDirOverride for profile listing
-	profilesDir := filepath.Join(configDir, profilesSubdir)
-	serviceMgr := profilemanager.NewServiceManagerWithProfilesDir(defaultConfigPath, profilesDir)
-
-	return &ProfileManager{
-		configDir:  configDir,
-		serviceMgr: serviceMgr,
-	}
-}
-
-// ListProfiles returns all available profiles
-func (pm *ProfileManager) ListProfiles() (*ProfileArray, error) {
-	// Use ServiceManager (looks in profiles/ directory, checks active_profile.json for IsActive)
-	internalProfiles, err := pm.serviceMgr.ListProfiles(androidUsername)
-	if err != nil {
-		return nil, fmt.Errorf("failed to list profiles: %w", err)
-	}
-
-	// Convert internal profiles to Android Profile type
-	var profiles []*Profile
-	for _, p := range internalProfiles {
-		profiles = append(profiles, &Profile{
-			Name:     p.Name,
-			IsActive: p.IsActive,
-		})
-	}
-
-	return &ProfileArray{items: profiles}, nil
-}
-
-// GetActiveProfile returns the currently active profile name
-func (pm *ProfileManager) GetActiveProfile() (string, error) {
-	// Use ServiceManager to stay consistent with ListProfiles
-	// ServiceManager uses active_profile.json
-	activeState, err := pm.serviceMgr.GetActiveProfileState()
-	if err != nil {
-		return "", fmt.Errorf("failed to get active profile: %w", err)
-	}
-	return activeState.Name, nil
-}
-
-// SwitchProfile switches to a different profile
-func (pm *ProfileManager) SwitchProfile(profileName string) error {
-	// Use ServiceManager to stay consistent with ListProfiles
-	// ServiceManager uses active_profile.json
-	err := pm.serviceMgr.SetActiveProfileState(&profilemanager.ActiveProfileState{
-		Name:     profileName,
-		Username: androidUsername,
-	})
-	if err != nil {
-		return fmt.Errorf("failed to switch profile: %w", err)
-	}
-
-	log.Infof("switched to profile: %s", profileName)
-	return nil
-}
-
-// AddProfile creates a new profile
-func (pm *ProfileManager) AddProfile(profileName string) error {
-	// Use ServiceManager (creates profile in profiles/ directory)
-	if err := pm.serviceMgr.AddProfile(profileName, androidUsername); err != nil {
-		return fmt.Errorf("failed to add profile: %w", err)
-	}
-
-	log.Infof("created new profile: %s", profileName)
-	return nil
-}
-
-// LogoutProfile logs out from a profile (clears authentication)
-func (pm *ProfileManager) LogoutProfile(profileName string) error {
-	profileName = sanitizeProfileName(profileName)
-
-	configPath, err := pm.getProfileConfigPath(profileName)
-	if err != nil {
-		return err
-	}
-
-	// Check if profile exists
-	if _, err := os.Stat(configPath); os.IsNotExist(err) {
-		return fmt.Errorf("profile '%s' does not exist", profileName)
-	}
-
-	// Read current config using internal profilemanager
-	config, err := profilemanager.ReadConfig(configPath)
-	if err != nil {
-		return fmt.Errorf("failed to read profile config: %w", err)
-	}
-
-	// Clear authentication by removing private key and SSH key
-	config.PrivateKey = ""
-	config.SSHKey = ""
-
-	// Save config using internal profilemanager
-	if err := profilemanager.WriteOutConfig(configPath, config); err != nil {
-		return fmt.Errorf("failed to save config: %w", err)
-	}
-
-	log.Infof("logged out from profile: %s", profileName)
-	return nil
-}
-
-// RemoveProfile deletes a profile
-func (pm *ProfileManager) RemoveProfile(profileName string) error {
-	// Use ServiceManager (removes profile from profiles/ directory)
-	if err := pm.serviceMgr.RemoveProfile(profileName, androidUsername); err != nil {
-		return fmt.Errorf("failed to remove profile: %w", err)
-	}
-
-	log.Infof("removed profile: %s", profileName)
-	return nil
-}
-
-// getProfileConfigPath returns the config file path for a profile
-// This is needed for Android-specific path handling (netbird.cfg for default profile)
-func (pm *ProfileManager) getProfileConfigPath(profileName string) (string, error) {
-	if profileName == "" || profileName == profilemanager.DefaultProfileName {
-		// Android uses netbird.cfg for default profile instead of default.json
-		// Default profile is stored in root configDir, not in profiles/
-		return filepath.Join(pm.configDir, defaultConfigFilename), nil
-	}
-
-	// Non-default profiles are stored in profiles subdirectory
-	// This matches the Java Preferences.java expectation
-	profileName = sanitizeProfileName(profileName)
-	profilesDir := filepath.Join(pm.configDir, profilesSubdir)
-	return filepath.Join(profilesDir, profileName+".json"), nil
-}
-
-// GetConfigPath returns the config file path for a given profile
-// Java should call this instead of constructing paths with Preferences.configFile()
-func (pm *ProfileManager) GetConfigPath(profileName string) (string, error) {
-	return pm.getProfileConfigPath(profileName)
-}
-
-// GetStateFilePath returns the state file path for a given profile
-// Java should call this instead of constructing paths with Preferences.stateFile()
-func (pm *ProfileManager) GetStateFilePath(profileName string) (string, error) {
-	if profileName == "" || profileName == profilemanager.DefaultProfileName {
-		return filepath.Join(pm.configDir, "state.json"), nil
-	}
-
-	profileName = sanitizeProfileName(profileName)
-	profilesDir := filepath.Join(pm.configDir, profilesSubdir)
-	return filepath.Join(profilesDir, profileName+".state.json"), nil
-}
-
-// GetActiveConfigPath returns the config file path for the currently active profile
-// Java should call this instead of Preferences.getActiveProfileName() + Preferences.configFile()
-func (pm *ProfileManager) GetActiveConfigPath() (string, error) {
-	activeProfile, err := pm.GetActiveProfile()
-	if err != nil {
-		return "", fmt.Errorf("failed to get active profile: %w", err)
-	}
-	return pm.GetConfigPath(activeProfile)
-}
-
-// GetActiveStateFilePath returns the state file path for the currently active profile
-// Java should call this instead of Preferences.getActiveProfileName() + Preferences.stateFile()
-func (pm *ProfileManager) GetActiveStateFilePath() (string, error) {
-	activeProfile, err := pm.GetActiveProfile()
-	if err != nil {
-		return "", fmt.Errorf("failed to get active profile: %w", err)
-	}
-	return pm.GetStateFilePath(activeProfile)
-}
-
-// sanitizeProfileName removes invalid characters from profile name
-func sanitizeProfileName(name string) string {
-	// Keep only alphanumeric, underscore, and hyphen
-	var result strings.Builder
-	for _, r := range name {
-		if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') ||
-			(r >= '0' && r <= '9') || r == '_' || r == '-' {
-			result.WriteRune(r)
-		}
-	}
-	return result.String()
-}
--- a/client/android/route_command.go
+++ b/client/android/route_command.go
@@ -1,67 +0,0 @@
-//go:build android
-
-package android
-
-import (
-	"fmt"
-
-	log "github.com/sirupsen/logrus"
-	"golang.org/x/exp/maps"
-
-	"github.com/netbirdio/netbird/client/internal/routemanager"
-	"github.com/netbirdio/netbird/route"
-)
-
-func executeRouteToggle(id string, manager routemanager.Manager,
-	operationName string,
-	routeOperation func(routes []route.NetID, allRoutes []route.NetID) error) error {
-	netID := route.NetID(id)
-	routes := []route.NetID{netID}
-
-	log.Debugf("%s with id: %s", operationName, id)
-
-	if err := routeOperation(routes, maps.Keys(manager.GetClientRoutesWithNetID())); err != nil {
-		log.Debugf("error when %s: %s", operationName, err)
-		return fmt.Errorf("error %s: %w", operationName, err)
-	}
-
-	manager.TriggerSelection(manager.GetClientRoutes())
-
-	return nil
-}
-
-type routeCommand interface {
-	toggleRoute() error
-}
-
-type selectRouteCommand struct {
-	route   string
-	manager routemanager.Manager
-}
-
-func (s selectRouteCommand) toggleRoute() error {
-	routeSelector := s.manager.GetRouteSelector()
-	if routeSelector == nil {
-		return fmt.Errorf("no route selector available")
-	}
-
-	routeOperation := func(routes []route.NetID, allRoutes []route.NetID) error {
-		return routeSelector.SelectRoutes(routes, true, allRoutes)
-	}
-
-	return executeRouteToggle(s.route, s.manager, "selecting route", routeOperation)
-}
-
-type deselectRouteCommand struct {
-	route   string
-	manager routemanager.Manager
-}
-
-func (d deselectRouteCommand) toggleRoute() error {
-	routeSelector := d.manager.GetRouteSelector()
-	if routeSelector == nil {
-		return fmt.Errorf("no route selector available")
-	}
-
-	return executeRouteToggle(d.route, d.manager, "deselecting route", routeSelector.DeselectRoutes)
-}
--- a/client/cmd/debug.go
+++ b/client/cmd/debug.go
@@ -136,7 +136,6 @@ func setLogLevel(cmd *cobra.Command, args []string) error {
 	client := proto.NewDaemonServiceClient(conn)
 	level := server.ParseLogLevel(args[0])
 	if level == proto.LogLevel_UNKNOWN {
-		//nolint
 		return fmt.Errorf("unknown log level: %s. Available levels are: panic, fatal, error, warn, info, debug, trace\n", args[0])
 	}

@@ -314,8 +313,9 @@ func getStatusOutput(cmd *cobra.Command, anon bool) string {
 			profName = activeProf.Name
 		}

-		overview := nbstatus.ConvertToStatusOutputOverview(statusResp, anon, "", nil, nil, nil, "", profName)
-		statusOutputString = overview.FullDetailSummary()
+		statusOutputString = nbstatus.ParseToFullDetailSummary(
+			nbstatus.ConvertToStatusOutputOverview(statusResp, anon, "", nil, nil, nil, "", profName),
+		)
 	}
 	return statusOutputString
 }
--- a/client/cmd/login.go
+++ b/client/cmd/login.go
@@ -4,12 +4,14 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"os/exec"
 	"os/user"
 	"runtime"
 	"strings"
 	"time"

 	log "github.com/sirupsen/logrus"
+	"github.com/skratchdot/open-golang/open"
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc/codes"
 	gstatus "google.golang.org/grpc/status"
@@ -81,7 +83,6 @@ var loginCmd = &cobra.Command{
 func doDaemonLogin(ctx context.Context, cmd *cobra.Command, providedSetupKey string, activeProf *profilemanager.Profile, username string, pm *profilemanager.ProfileManager) error {
 	conn, err := DialClientGRPCServer(ctx, daemonAddr)
 	if err != nil {
-		//nolint
 		return fmt.Errorf("failed to connect to daemon error: %v\n"+
 			"If the daemon is not running please run: "+
 			"\nnetbird service install \nnetbird service start\n", err)
@@ -207,7 +208,6 @@ func switchProfileOnDaemon(ctx context.Context, pm *profilemanager.ProfileManage
 func switchProfile(ctx context.Context, profileName string, username string) error {
 	conn, err := DialClientGRPCServer(ctx, daemonAddr)
 	if err != nil {
-		//nolint
 		return fmt.Errorf("failed to connect to daemon error: %v\n"+
 			"If the daemon is not running please run: "+
 			"\nnetbird service install \nnetbird service start\n", err)
@@ -332,7 +332,7 @@ func foregroundGetTokenInfo(ctx context.Context, cmd *cobra.Command, config *pro
 		hint = profileState.Email
 	}

-	oAuthFlow, err := auth.NewOAuthFlow(ctx, config, isUnixRunningDesktop(), false, hint)
+	oAuthFlow, err := auth.NewOAuthFlow(ctx, config, isUnixRunningDesktop(), hint)
 	if err != nil {
 		return nil, err
 	}
@@ -373,13 +373,21 @@ func openURL(cmd *cobra.Command, verificationURIComplete, userCode string, noBro
 	cmd.Println("")

 	if !noBrowser {
-		if err := util.OpenBrowser(verificationURIComplete); err != nil {
+		if err := openBrowser(verificationURIComplete); err != nil {
 			cmd.Println("\nAlternatively, you may want to use a setup key, see:\n\n" +
 				"https://docs.netbird.io/how-to/register-machines-using-setup-keys")
 		}
 	}
 }

+// openBrowser opens the URL in a browser, respecting the BROWSER environment variable.
+func openBrowser(url string) error {
+	if browser := os.Getenv("BROWSER"); browser != "" {
+		return exec.Command(browser, url).Start()
+	}
+	return open.Run(url)
+}
+
 // isUnixRunningDesktop checks if a Linux OS is running desktop environment
 func isUnixRunningDesktop() bool {
 	if runtime.GOOS != "linux" && runtime.GOOS != "freebsd" {
--- a/client/cmd/pprof.go
+++ b/client/cmd/pprof.go
@@ -1,4 +1,5 @@
 //go:build pprof
+// +build pprof

 package cmd

--- a/client/cmd/root.go
+++ b/client/cmd/root.go
@@ -85,9 +85,6 @@ var (

 // Execute executes the root command.
 func Execute() error {
-	if isUpdateBinary() {
-		return updateCmd.Execute()
-	}
 	return rootCmd.Execute()
 }

@@ -390,7 +387,6 @@ func getClient(cmd *cobra.Command) (*grpc.ClientConn, error) {

 	conn, err := DialClientGRPCServer(cmd.Context(), daemonAddr)
 	if err != nil {
-		//nolint
 		return nil, fmt.Errorf("failed to connect to daemon error: %v\n"+
 			"If the daemon is not running please run: "+
 			"\nnetbird service install \nnetbird service start\n", err)
--- a/client/cmd/signer/artifactkey.go
+++ b/client/cmd/signer/artifactkey.go
@@ -1,176 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"time"
-
-	"github.com/spf13/cobra"
-
-	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
-)
-
-var (
-	bundlePubKeysRootPrivKeyFile string
-	bundlePubKeysPubKeyFiles     []string
-	bundlePubKeysFile            string
-
-	createArtifactKeyRootPrivKeyFile string
-	createArtifactKeyPrivKeyFile     string
-	createArtifactKeyPubKeyFile      string
-	createArtifactKeyExpiration      time.Duration
-)
-
-var createArtifactKeyCmd = &cobra.Command{
-	Use:   "create-artifact-key",
-	Short: "Create a new artifact signing key",
-	Long: `Generate a new artifact signing key pair signed by the root private key.
-The artifact key will be used to sign software artifacts/updates.`,
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		if createArtifactKeyExpiration <= 0 {
-			return fmt.Errorf("--expiration must be a positive duration (e.g., 720h, 365d, 8760h)")
-		}
-
-		if err := handleCreateArtifactKey(cmd, createArtifactKeyRootPrivKeyFile, createArtifactKeyPrivKeyFile, createArtifactKeyPubKeyFile, createArtifactKeyExpiration); err != nil {
-			return fmt.Errorf("failed to create artifact key: %w", err)
-		}
-		return nil
-	},
-}
-
-var bundlePubKeysCmd = &cobra.Command{
-	Use:   "bundle-pub-keys",
-	Short: "Bundle multiple artifact public keys into a signed package",
-	Long: `Bundle one or more artifact public keys into a signed package using the root private key.
-This command is typically used to distribute or authorize a set of valid artifact signing keys.`,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		if len(bundlePubKeysPubKeyFiles) == 0 {
-			return fmt.Errorf("at least one --artifact-pub-key-file must be provided")
-		}
-
-		if err := handleBundlePubKeys(cmd, bundlePubKeysRootPrivKeyFile, bundlePubKeysPubKeyFiles, bundlePubKeysFile); err != nil {
-			return fmt.Errorf("failed to bundle public keys: %w", err)
-		}
-		return nil
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(createArtifactKeyCmd)
-
-	createArtifactKeyCmd.Flags().StringVar(&createArtifactKeyRootPrivKeyFile, "root-private-key-file", "", "Path to the root private key file used to sign the artifact key")
-	createArtifactKeyCmd.Flags().StringVar(&createArtifactKeyPrivKeyFile, "artifact-priv-key-file", "", "Path where the artifact private key will be saved")
-	createArtifactKeyCmd.Flags().StringVar(&createArtifactKeyPubKeyFile, "artifact-pub-key-file", "", "Path where the artifact public key will be saved")
-	createArtifactKeyCmd.Flags().DurationVar(&createArtifactKeyExpiration, "expiration", 0, "Expiration duration for the artifact key (e.g., 720h, 365d, 8760h)")
-
-	if err := createArtifactKeyCmd.MarkFlagRequired("root-private-key-file"); err != nil {
-		panic(fmt.Errorf("mark root-private-key-file as required: %w", err))
-	}
-	if err := createArtifactKeyCmd.MarkFlagRequired("artifact-priv-key-file"); err != nil {
-		panic(fmt.Errorf("mark artifact-priv-key-file as required: %w", err))
-	}
-	if err := createArtifactKeyCmd.MarkFlagRequired("artifact-pub-key-file"); err != nil {
-		panic(fmt.Errorf("mark artifact-pub-key-file as required: %w", err))
-	}
-	if err := createArtifactKeyCmd.MarkFlagRequired("expiration"); err != nil {
-		panic(fmt.Errorf("mark expiration as required: %w", err))
-	}
-
-	rootCmd.AddCommand(bundlePubKeysCmd)
-
-	bundlePubKeysCmd.Flags().StringVar(&bundlePubKeysRootPrivKeyFile, "root-private-key-file", "", "Path to the root private key file used to sign the bundle")
-	bundlePubKeysCmd.Flags().StringArrayVar(&bundlePubKeysPubKeyFiles, "artifact-pub-key-file", nil, "Path(s) to the artifact public key files to include in the bundle (can be repeated)")
-	bundlePubKeysCmd.Flags().StringVar(&bundlePubKeysFile, "bundle-pub-key-file", "", "Path where the public keys will be saved")
-
-	if err := bundlePubKeysCmd.MarkFlagRequired("root-private-key-file"); err != nil {
-		panic(fmt.Errorf("mark root-private-key-file as required: %w", err))
-	}
-	if err := bundlePubKeysCmd.MarkFlagRequired("artifact-pub-key-file"); err != nil {
-		panic(fmt.Errorf("mark artifact-pub-key-file as required: %w", err))
-	}
-	if err := bundlePubKeysCmd.MarkFlagRequired("bundle-pub-key-file"); err != nil {
-		panic(fmt.Errorf("mark bundle-pub-key-file as required: %w", err))
-	}
-}
-
-func handleCreateArtifactKey(cmd *cobra.Command, rootPrivKeyFile, artifactPrivKeyFile, artifactPubKeyFile string, expiration time.Duration) error {
-	cmd.Println("Creating new artifact signing key...")
-
-	privKeyPEM, err := os.ReadFile(rootPrivKeyFile)
-	if err != nil {
-		return fmt.Errorf("read root private key file: %w", err)
-	}
-
-	privateRootKey, err := reposign.ParseRootKey(privKeyPEM)
-	if err != nil {
-		return fmt.Errorf("failed to parse private root key: %w", err)
-	}
-
-	artifactKey, privPEM, pubPEM, signature, err := reposign.GenerateArtifactKey(privateRootKey, expiration)
-	if err != nil {
-		return fmt.Errorf("generate artifact key: %w", err)
-	}
-
-	if err := os.WriteFile(artifactPrivKeyFile, privPEM, 0o600); err != nil {
-		return fmt.Errorf("write private key file (%s): %w", artifactPrivKeyFile, err)
-	}
-
-	if err := os.WriteFile(artifactPubKeyFile, pubPEM, 0o600); err != nil {
-		return fmt.Errorf("write public key file (%s): %w", artifactPubKeyFile, err)
-	}
-
-	signatureFile := artifactPubKeyFile + ".sig"
-	if err := os.WriteFile(signatureFile, signature, 0o600); err != nil {
-		return fmt.Errorf("write signature file (%s): %w", signatureFile, err)
-	}
-
-	cmd.Printf("✅ Artifact key created successfully.\n")
-	cmd.Printf("%s\n", artifactKey.String())
-	return nil
-}
-
-func handleBundlePubKeys(cmd *cobra.Command, rootPrivKeyFile string, artifactPubKeyFiles []string, bundlePubKeysFile string) error {
-	cmd.Println("📦 Bundling public keys into signed package...")
-
-	privKeyPEM, err := os.ReadFile(rootPrivKeyFile)
-	if err != nil {
-		return fmt.Errorf("read root private key file: %w", err)
-	}
-
-	privateRootKey, err := reposign.ParseRootKey(privKeyPEM)
-	if err != nil {
-		return fmt.Errorf("failed to parse private root key: %w", err)
-	}
-
-	publicKeys := make([]reposign.PublicKey, 0, len(artifactPubKeyFiles))
-	for _, pubFile := range artifactPubKeyFiles {
-		pubPem, err := os.ReadFile(pubFile)
-		if err != nil {
-			return fmt.Errorf("read public key file: %w", err)
-		}
-
-		pk, err := reposign.ParseArtifactPubKey(pubPem)
-		if err != nil {
-			return fmt.Errorf("failed to parse artifact key: %w", err)
-		}
-		publicKeys = append(publicKeys, pk)
-	}
-
-	parsedKeys, signature, err := reposign.BundleArtifactKeys(privateRootKey, publicKeys)
-	if err != nil {
-		return fmt.Errorf("bundle artifact keys: %w", err)
-	}
-
-	if err := os.WriteFile(bundlePubKeysFile, parsedKeys, 0o600); err != nil {
-		return fmt.Errorf("write public keys file (%s): %w", bundlePubKeysFile, err)
-	}
-
-	signatureFile := bundlePubKeysFile + ".sig"
-	if err := os.WriteFile(signatureFile, signature, 0o600); err != nil {
-		return fmt.Errorf("write signature file (%s): %w", signatureFile, err)
-	}
-
-	cmd.Printf("✅ Bundle created with %d public keys.\n", len(artifactPubKeyFiles))
-	return nil
-}
--- a/client/cmd/signer/artifactsign.go
+++ b/client/cmd/signer/artifactsign.go
@@ -1,276 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/spf13/cobra"
-
-	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
-)
-
-const (
-	envArtifactPrivateKey = "NB_ARTIFACT_PRIV_KEY"
-)
-
-var (
-	signArtifactPrivKeyFile  string
-	signArtifactArtifactFile string
-
-	verifyArtifactPubKeyFile    string
-	verifyArtifactFile          string
-	verifyArtifactSignatureFile string
-
-	verifyArtifactKeyPubKeyFile     string
-	verifyArtifactKeyRootPubKeyFile string
-	verifyArtifactKeySignatureFile  string
-	verifyArtifactKeyRevocationFile string
-)
-
-var signArtifactCmd = &cobra.Command{
-	Use:   "sign-artifact",
-	Short: "Sign an artifact using an artifact private key",
-	Long: `Sign a software artifact (e.g., update bundle or binary) using the artifact's private key.
-This command produces a detached signature that can be verified using the corresponding artifact public key.`,
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		if err := handleSignArtifact(cmd, signArtifactPrivKeyFile, signArtifactArtifactFile); err != nil {
-			return fmt.Errorf("failed to sign artifact: %w", err)
-		}
-		return nil
-	},
-}
-
-var verifyArtifactCmd = &cobra.Command{
-	Use:          "verify-artifact",
-	Short:        "Verify an artifact signature using an artifact public key",
-	Long:         `Verify a software artifact signature using the artifact's public key.`,
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		if err := handleVerifyArtifact(cmd, verifyArtifactPubKeyFile, verifyArtifactFile, verifyArtifactSignatureFile); err != nil {
-			return fmt.Errorf("failed to verify artifact: %w", err)
-		}
-		return nil
-	},
-}
-
-var verifyArtifactKeyCmd = &cobra.Command{
-	Use:   "verify-artifact-key",
-	Short: "Verify an artifact public key was signed by a root key",
-	Long: `Verify that an artifact public key (or bundle) was properly signed by a root key.
-This validates the chain of trust from the root key to the artifact key.`,
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		if err := handleVerifyArtifactKey(cmd, verifyArtifactKeyPubKeyFile, verifyArtifactKeyRootPubKeyFile, verifyArtifactKeySignatureFile, verifyArtifactKeyRevocationFile); err != nil {
-			return fmt.Errorf("failed to verify artifact key: %w", err)
-		}
-		return nil
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(signArtifactCmd)
-	rootCmd.AddCommand(verifyArtifactCmd)
-	rootCmd.AddCommand(verifyArtifactKeyCmd)
-
-	signArtifactCmd.Flags().StringVar(&signArtifactPrivKeyFile, "artifact-key-file", "", fmt.Sprintf("Path to the artifact private key file used for signing (or set %s env var)", envArtifactPrivateKey))
-	signArtifactCmd.Flags().StringVar(&signArtifactArtifactFile, "artifact-file", "", "Path to the artifact to be signed")
-
-	// artifact-file is required, but artifact-key-file can come from env var
-	if err := signArtifactCmd.MarkFlagRequired("artifact-file"); err != nil {
-		panic(fmt.Errorf("mark artifact-file as required: %w", err))
-	}
-
-	verifyArtifactCmd.Flags().StringVar(&verifyArtifactPubKeyFile, "artifact-public-key-file", "", "Path to the artifact public key file")
-	verifyArtifactCmd.Flags().StringVar(&verifyArtifactFile, "artifact-file", "", "Path to the artifact to be verified")
-	verifyArtifactCmd.Flags().StringVar(&verifyArtifactSignatureFile, "signature-file", "", "Path to the signature file")
-
-	if err := verifyArtifactCmd.MarkFlagRequired("artifact-public-key-file"); err != nil {
-		panic(fmt.Errorf("mark artifact-public-key-file as required: %w", err))
-	}
-	if err := verifyArtifactCmd.MarkFlagRequired("artifact-file"); err != nil {
-		panic(fmt.Errorf("mark artifact-file as required: %w", err))
-	}
-	if err := verifyArtifactCmd.MarkFlagRequired("signature-file"); err != nil {
-		panic(fmt.Errorf("mark signature-file as required: %w", err))
-	}
-
-	verifyArtifactKeyCmd.Flags().StringVar(&verifyArtifactKeyPubKeyFile, "artifact-key-file", "", "Path to the artifact public key file or bundle")
-	verifyArtifactKeyCmd.Flags().StringVar(&verifyArtifactKeyRootPubKeyFile, "root-key-file", "", "Path to the root public key file or bundle")
-	verifyArtifactKeyCmd.Flags().StringVar(&verifyArtifactKeySignatureFile, "signature-file", "", "Path to the signature file")
-	verifyArtifactKeyCmd.Flags().StringVar(&verifyArtifactKeyRevocationFile, "revocation-file", "", "Path to the revocation list file (optional)")
-
-	if err := verifyArtifactKeyCmd.MarkFlagRequired("artifact-key-file"); err != nil {
-		panic(fmt.Errorf("mark artifact-key-file as required: %w", err))
-	}
-	if err := verifyArtifactKeyCmd.MarkFlagRequired("root-key-file"); err != nil {
-		panic(fmt.Errorf("mark root-key-file as required: %w", err))
-	}
-	if err := verifyArtifactKeyCmd.MarkFlagRequired("signature-file"); err != nil {
-		panic(fmt.Errorf("mark signature-file as required: %w", err))
-	}
-}
-
-func handleSignArtifact(cmd *cobra.Command, privKeyFile, artifactFile string) error {
-	cmd.Println("🖋️  Signing artifact...")
-
-	// Load private key from env var or file
-	var privKeyPEM []byte
-	var err error
-
-	if envKey := os.Getenv(envArtifactPrivateKey); envKey != "" {
-		// Use key from environment variable
-		privKeyPEM = []byte(envKey)
-	} else if privKeyFile != "" {
-		// Fall back to file
-		privKeyPEM, err = os.ReadFile(privKeyFile)
-		if err != nil {
-			return fmt.Errorf("read private key file: %w", err)
-		}
-	} else {
-		return fmt.Errorf("artifact private key must be provided via %s environment variable or --artifact-key-file flag", envArtifactPrivateKey)
-	}
-
-	privateKey, err := reposign.ParseArtifactKey(privKeyPEM)
-	if err != nil {
-		return fmt.Errorf("failed to parse artifact private key: %w", err)
-	}
-
-	artifactData, err := os.ReadFile(artifactFile)
-	if err != nil {
-		return fmt.Errorf("read artifact file: %w", err)
-	}
-
-	signature, err := reposign.SignData(privateKey, artifactData)
-	if err != nil {
-		return fmt.Errorf("sign artifact: %w", err)
-	}
-
-	sigFile := artifactFile + ".sig"
-	if err := os.WriteFile(artifactFile+".sig", signature, 0o600); err != nil {
-		return fmt.Errorf("write signature file (%s): %w", sigFile, err)
-	}
-
-	cmd.Printf("✅ Artifact signed successfully.\n")
-	cmd.Printf("Signature file: %s\n", sigFile)
-	return nil
-}
-
-func handleVerifyArtifact(cmd *cobra.Command, pubKeyFile, artifactFile, signatureFile string) error {
-	cmd.Println("🔍 Verifying artifact...")
-
-	// Read artifact public key
-	pubKeyPEM, err := os.ReadFile(pubKeyFile)
-	if err != nil {
-		return fmt.Errorf("read public key file: %w", err)
-	}
-
-	publicKey, err := reposign.ParseArtifactPubKey(pubKeyPEM)
-	if err != nil {
-		return fmt.Errorf("failed to parse artifact public key: %w", err)
-	}
-
-	// Read artifact data
-	artifactData, err := os.ReadFile(artifactFile)
-	if err != nil {
-		return fmt.Errorf("read artifact file: %w", err)
-	}
-
-	// Read signature
-	sigBytes, err := os.ReadFile(signatureFile)
-	if err != nil {
-		return fmt.Errorf("read signature file: %w", err)
-	}
-
-	signature, err := reposign.ParseSignature(sigBytes)
-	if err != nil {
-		return fmt.Errorf("failed to parse signature: %w", err)
-	}
-
-	// Validate artifact
-	if err := reposign.ValidateArtifact([]reposign.PublicKey{publicKey}, artifactData, *signature); err != nil {
-		return fmt.Errorf("artifact verification failed: %w", err)
-	}
-
-	cmd.Println("✅ Artifact signature is valid")
-	cmd.Printf("Artifact: %s\n", artifactFile)
-	cmd.Printf("Signed by key: %s\n", signature.KeyID)
-	cmd.Printf("Signature timestamp: %s\n", signature.Timestamp.Format("2006-01-02 15:04:05 MST"))
-	return nil
-}
-
-func handleVerifyArtifactKey(cmd *cobra.Command, artifactKeyFile, rootKeyFile, signatureFile, revocationFile string) error {
-	cmd.Println("🔍 Verifying artifact key...")
-
-	// Read artifact key data
-	artifactKeyData, err := os.ReadFile(artifactKeyFile)
-	if err != nil {
-		return fmt.Errorf("read artifact key file: %w", err)
-	}
-
-	// Read root public key(s)
-	rootKeyData, err := os.ReadFile(rootKeyFile)
-	if err != nil {
-		return fmt.Errorf("read root key file: %w", err)
-	}
-
-	rootPublicKeys, err := parseRootPublicKeys(rootKeyData)
-	if err != nil {
-		return fmt.Errorf("failed to parse root public key(s): %w", err)
-	}
-
-	// Read signature
-	sigBytes, err := os.ReadFile(signatureFile)
-	if err != nil {
-		return fmt.Errorf("read signature file: %w", err)
-	}
-
-	signature, err := reposign.ParseSignature(sigBytes)
-	if err != nil {
-		return fmt.Errorf("failed to parse signature: %w", err)
-	}
-
-	// Read optional revocation list
-	var revocationList *reposign.RevocationList
-	if revocationFile != "" {
-		revData, err := os.ReadFile(revocationFile)
-		if err != nil {
-			return fmt.Errorf("read revocation file: %w", err)
-		}
-
-		revocationList, err = reposign.ParseRevocationList(revData)
-		if err != nil {
-			return fmt.Errorf("failed to parse revocation list: %w", err)
-		}
-	}
-
-	// Validate artifact key(s)
-	validKeys, err := reposign.ValidateArtifactKeys(rootPublicKeys, artifactKeyData, *signature, revocationList)
-	if err != nil {
-		return fmt.Errorf("artifact key verification failed: %w", err)
-	}
-
-	cmd.Println("✅ Artifact key(s) verified successfully")
-	cmd.Printf("Signed by root key: %s\n", signature.KeyID)
-	cmd.Printf("Signature timestamp: %s\n", signature.Timestamp.Format("2006-01-02 15:04:05 MST"))
-	cmd.Printf("\nValid artifact keys (%d):\n", len(validKeys))
-	for i, key := range validKeys {
-		cmd.Printf("  [%d] Key ID: %s\n", i+1, key.Metadata.ID)
-		cmd.Printf("      Created: %s\n", key.Metadata.CreatedAt.Format("2006-01-02 15:04:05 MST"))
-		if !key.Metadata.ExpiresAt.IsZero() {
-			cmd.Printf("      Expires: %s\n", key.Metadata.ExpiresAt.Format("2006-01-02 15:04:05 MST"))
-		} else {
-			cmd.Printf("      Expires: Never\n")
-		}
-	}
-	return nil
-}
-
-// parseRootPublicKeys parses a root public key from PEM data
-func parseRootPublicKeys(data []byte) ([]reposign.PublicKey, error) {
-	key, err := reposign.ParseRootPublicKey(data)
-	if err != nil {
-		return nil, err
-	}
-	return []reposign.PublicKey{key}, nil
-}
--- a/client/cmd/signer/main.go
+++ b/client/cmd/signer/main.go
@@ -1,21 +0,0 @@
-package main
-
-import (
-	"os"
-
-	"github.com/spf13/cobra"
-)
-
-var rootCmd = &cobra.Command{
-	Use:   "signer",
-	Short: "A CLI tool for managing cryptographic keys and artifacts",
-	Long: `signer is a command-line tool that helps you manage
-root keys, artifact keys, and revocation lists securely.`,
-}
-
-func main() {
-	if err := rootCmd.Execute(); err != nil {
-		rootCmd.Println(err)
-		os.Exit(1)
-	}
-}
--- a/client/cmd/signer/revocation.go
+++ b/client/cmd/signer/revocation.go
@@ -1,220 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"time"
-
-	"github.com/spf13/cobra"
-
-	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
-)
-
-const (
-	defaultRevocationListExpiration = 365 * 24 * time.Hour // 1 year
-)
-
-var (
-	keyID              string
-	revocationListFile string
-	privateRootKeyFile string
-	publicRootKeyFile  string
-	signatureFile      string
-	expirationDuration time.Duration
-)
-
-var createRevocationListCmd = &cobra.Command{
-	Use:          "create-revocation-list",
-	Short:        "Create a new revocation list signed by the private root key",
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		return handleCreateRevocationList(cmd, revocationListFile, privateRootKeyFile)
-	},
-}
-
-var extendRevocationListCmd = &cobra.Command{
-	Use:          "extend-revocation-list",
-	Short:        "Extend an existing revocation list with a given key ID",
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		return handleExtendRevocationList(cmd, keyID, revocationListFile, privateRootKeyFile)
-	},
-}
-
-var verifyRevocationListCmd = &cobra.Command{
-	Use:          "verify-revocation-list",
-	Short:        "Verify a revocation list signature using the public root key",
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		return handleVerifyRevocationList(cmd, revocationListFile, signatureFile, publicRootKeyFile)
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(createRevocationListCmd)
-	rootCmd.AddCommand(extendRevocationListCmd)
-	rootCmd.AddCommand(verifyRevocationListCmd)
-
-	createRevocationListCmd.Flags().StringVar(&revocationListFile, "revocation-list-file", "", "Path to the existing revocation list file")
-	createRevocationListCmd.Flags().StringVar(&privateRootKeyFile, "private-root-key", "", "Path to the private root key PEM file")
-	createRevocationListCmd.Flags().DurationVar(&expirationDuration, "expiration", defaultRevocationListExpiration, "Expiration duration for the revocation list (e.g., 8760h for 1 year)")
-	if err := createRevocationListCmd.MarkFlagRequired("revocation-list-file"); err != nil {
-		panic(err)
-	}
-	if err := createRevocationListCmd.MarkFlagRequired("private-root-key"); err != nil {
-		panic(err)
-	}
-
-	extendRevocationListCmd.Flags().StringVar(&keyID, "key-id", "", "ID of the key to extend the revocation list for")
-	extendRevocationListCmd.Flags().StringVar(&revocationListFile, "revocation-list-file", "", "Path to the existing revocation list file")
-	extendRevocationListCmd.Flags().StringVar(&privateRootKeyFile, "private-root-key", "", "Path to the private root key PEM file")
-	extendRevocationListCmd.Flags().DurationVar(&expirationDuration, "expiration", defaultRevocationListExpiration, "Expiration duration for the revocation list (e.g., 8760h for 1 year)")
-	if err := extendRevocationListCmd.MarkFlagRequired("key-id"); err != nil {
-		panic(err)
-	}
-	if err := extendRevocationListCmd.MarkFlagRequired("revocation-list-file"); err != nil {
-		panic(err)
-	}
-	if err := extendRevocationListCmd.MarkFlagRequired("private-root-key"); err != nil {
-		panic(err)
-	}
-
-	verifyRevocationListCmd.Flags().StringVar(&revocationListFile, "revocation-list-file", "", "Path to the revocation list file")
-	verifyRevocationListCmd.Flags().StringVar(&signatureFile, "signature-file", "", "Path to the signature file")
-	verifyRevocationListCmd.Flags().StringVar(&publicRootKeyFile, "public-root-key", "", "Path to the public root key PEM file")
-	if err := verifyRevocationListCmd.MarkFlagRequired("revocation-list-file"); err != nil {
-		panic(err)
-	}
-	if err := verifyRevocationListCmd.MarkFlagRequired("signature-file"); err != nil {
-		panic(err)
-	}
-	if err := verifyRevocationListCmd.MarkFlagRequired("public-root-key"); err != nil {
-		panic(err)
-	}
-}
-
-func handleCreateRevocationList(cmd *cobra.Command, revocationListFile string, privateRootKeyFile string) error {
-	privKeyPEM, err := os.ReadFile(privateRootKeyFile)
-	if err != nil {
-		return fmt.Errorf("failed to read private root key file: %w", err)
-	}
-
-	privateRootKey, err := reposign.ParseRootKey(privKeyPEM)
-	if err != nil {
-		return fmt.Errorf("failed to parse private root key: %w", err)
-	}
-
-	rlBytes, sigBytes, err := reposign.CreateRevocationList(*privateRootKey, expirationDuration)
-	if err != nil {
-		return fmt.Errorf("failed to create revocation list: %w", err)
-	}
-
-	if err := writeOutputFiles(revocationListFile, revocationListFile+".sig", rlBytes, sigBytes); err != nil {
-		return fmt.Errorf("failed to write output files: %w", err)
-	}
-
-	cmd.Println("✅ Revocation list created successfully")
-	return nil
-}
-
-func handleExtendRevocationList(cmd *cobra.Command, keyID, revocationListFile, privateRootKeyFile string) error {
-	privKeyPEM, err := os.ReadFile(privateRootKeyFile)
-	if err != nil {
-		return fmt.Errorf("failed to read private root key file: %w", err)
-	}
-
-	privateRootKey, err := reposign.ParseRootKey(privKeyPEM)
-	if err != nil {
-		return fmt.Errorf("failed to parse private root key: %w", err)
-	}
-
-	rlBytes, err := os.ReadFile(revocationListFile)
-	if err != nil {
-		return fmt.Errorf("failed to read revocation list file: %w", err)
-	}
-
-	rl, err := reposign.ParseRevocationList(rlBytes)
-	if err != nil {
-		return fmt.Errorf("failed to parse revocation list: %w", err)
-	}
-
-	kid, err := reposign.ParseKeyID(keyID)
-	if err != nil {
-		return fmt.Errorf("invalid key ID: %w", err)
-	}
-
-	newRLBytes, sigBytes, err := reposign.ExtendRevocationList(*privateRootKey, *rl, kid, expirationDuration)
-	if err != nil {
-		return fmt.Errorf("failed to extend revocation list: %w", err)
-	}
-
-	if err := writeOutputFiles(revocationListFile, revocationListFile+".sig", newRLBytes, sigBytes); err != nil {
-		return fmt.Errorf("failed to write output files: %w", err)
-	}
-
-	cmd.Println("✅ Revocation list extended successfully")
-	return nil
-}
-
-func handleVerifyRevocationList(cmd *cobra.Command, revocationListFile, signatureFile, publicRootKeyFile string) error {
-	// Read revocation list file
-	rlBytes, err := os.ReadFile(revocationListFile)
-	if err != nil {
-		return fmt.Errorf("failed to read revocation list file: %w", err)
-	}
-
-	// Read signature file
-	sigBytes, err := os.ReadFile(signatureFile)
-	if err != nil {
-		return fmt.Errorf("failed to read signature file: %w", err)
-	}
-
-	// Read public root key file
-	pubKeyPEM, err := os.ReadFile(publicRootKeyFile)
-	if err != nil {
-		return fmt.Errorf("failed to read public root key file: %w", err)
-	}
-
-	// Parse public root key
-	publicKey, err := reposign.ParseRootPublicKey(pubKeyPEM)
-	if err != nil {
-		return fmt.Errorf("failed to parse public root key: %w", err)
-	}
-
-	// Parse signature
-	signature, err := reposign.ParseSignature(sigBytes)
-	if err != nil {
-		return fmt.Errorf("failed to parse signature: %w", err)
-	}
-
-	// Validate revocation list
-	rl, err := reposign.ValidateRevocationList([]reposign.PublicKey{publicKey}, rlBytes, *signature)
-	if err != nil {
-		return fmt.Errorf("failed to validate revocation list: %w", err)
-	}
-
-	// Display results
-	cmd.Println("✅ Revocation list signature is valid")
-	cmd.Printf("Last Updated: %s\n", rl.LastUpdated.Format(time.RFC3339))
-	cmd.Printf("Expires At: %s\n", rl.ExpiresAt.Format(time.RFC3339))
-	cmd.Printf("Number of revoked keys: %d\n", len(rl.Revoked))
-
-	if len(rl.Revoked) > 0 {
-		cmd.Println("\nRevoked Keys:")
-		for keyID, revokedTime := range rl.Revoked {
-			cmd.Printf("  - %s (revoked at: %s)\n", keyID, revokedTime.Format(time.RFC3339))
-		}
-	}
-
-	return nil
-}
-
-func writeOutputFiles(rlPath, sigPath string, rlBytes, sigBytes []byte) error {
-	if err := os.WriteFile(rlPath, rlBytes, 0o600); err != nil {
-		return fmt.Errorf("failed to write revocation list file: %w", err)
-	}
-	if err := os.WriteFile(sigPath, sigBytes, 0o600); err != nil {
-		return fmt.Errorf("failed to write signature file: %w", err)
-	}
-	return nil
-}
--- a/client/cmd/signer/rootkey.go
+++ b/client/cmd/signer/rootkey.go
@@ -1,74 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"time"
-
-	"github.com/spf13/cobra"
-
-	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
-)
-
-var (
-	privKeyFile    string
-	pubKeyFile     string
-	rootExpiration time.Duration
-)
-
-var createRootKeyCmd = &cobra.Command{
-	Use:          "create-root-key",
-	Short:        "Create a new root key pair",
-	Long:         `Create a new root key pair and specify an expiration time for it.`,
-	SilenceUsage: true,
-	RunE: func(cmd *cobra.Command, args []string) error {
-		// Validate expiration
-		if rootExpiration <= 0 {
-			return fmt.Errorf("--expiration must be a positive duration (e.g., 720h, 365d, 8760h)")
-		}
-
-		// Run main logic
-		if err := handleGenerateRootKey(cmd, privKeyFile, pubKeyFile, rootExpiration); err != nil {
-			return fmt.Errorf("failed to generate root key: %w", err)
-		}
-		return nil
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(createRootKeyCmd)
-	createRootKeyCmd.Flags().StringVar(&privKeyFile, "priv-key-file", "", "Path to output private key file")
-	createRootKeyCmd.Flags().StringVar(&pubKeyFile, "pub-key-file", "", "Path to output public key file")
-	createRootKeyCmd.Flags().DurationVar(&rootExpiration, "expiration", 0, "Expiration time for the root key (e.g., 720h,)")
-
-	if err := createRootKeyCmd.MarkFlagRequired("priv-key-file"); err != nil {
-		panic(err)
-	}
-	if err := createRootKeyCmd.MarkFlagRequired("pub-key-file"); err != nil {
-		panic(err)
-	}
-	if err := createRootKeyCmd.MarkFlagRequired("expiration"); err != nil {
-		panic(err)
-	}
-}
-
-func handleGenerateRootKey(cmd *cobra.Command, privKeyFile, pubKeyFile string, expiration time.Duration) error {
-	rk, privPEM, pubPEM, err := reposign.GenerateRootKey(expiration)
-	if err != nil {
-		return fmt.Errorf("generate root key: %w", err)
-	}
-
-	// Write private key
-	if err := os.WriteFile(privKeyFile, privPEM, 0o600); err != nil {
-		return fmt.Errorf("write private key file (%s): %w", privKeyFile, err)
-	}
-
-	// Write public key
-	if err := os.WriteFile(pubKeyFile, pubPEM, 0o600); err != nil {
-		return fmt.Errorf("write public key file (%s): %w", pubKeyFile, err)
-	}
-
-	cmd.Printf("%s\n\n", rk.String())
-	cmd.Printf("✅ Root key pair generated successfully.\n")
-	return nil
-}
--- a/client/cmd/ssh.go
+++ b/client/cmd/ssh.go
@@ -51,7 +51,6 @@ var (
 	identityFile          string
 	skipCachedToken       bool
 	requestPTY            bool
-	sshNoBrowser          bool
 )

 var (
@@ -82,7 +81,6 @@ func init() {
 	sshCmd.PersistentFlags().StringVarP(&identityFile, "identity", "i", "", "Path to SSH private key file (deprecated)")
 	_ = sshCmd.PersistentFlags().MarkDeprecated("identity", "this flag is no longer used")
 	sshCmd.PersistentFlags().BoolVar(&skipCachedToken, "no-cache", false, "Skip cached JWT token and force fresh authentication")
-	sshCmd.PersistentFlags().BoolVar(&sshNoBrowser, noBrowserFlag, false, noBrowserDesc)

 	sshCmd.PersistentFlags().StringArrayP("L", "L", []string{}, "Local port forwarding [bind_address:]port:host:hostport")
 	sshCmd.PersistentFlags().StringArrayP("R", "R", []string{}, "Remote port forwarding [bind_address:]port:host:hostport")
@@ -187,21 +185,6 @@ func getEnvOrDefault(flagName, defaultValue string) string {
 	return defaultValue
 }

-// getBoolEnvOrDefault checks for boolean environment variables with WT_ and NB_ prefixes
-func getBoolEnvOrDefault(flagName string, defaultValue bool) bool {
-	if envValue := os.Getenv("WT_" + flagName); envValue != "" {
-		if parsed, err := strconv.ParseBool(envValue); err == nil {
-			return parsed
-		}
-	}
-	if envValue := os.Getenv("NB_" + flagName); envValue != "" {
-		if parsed, err := strconv.ParseBool(envValue); err == nil {
-			return parsed
-		}
-	}
-	return defaultValue
-}
-
 // resetSSHGlobals sets SSH globals to their default values
 func resetSSHGlobals() {
 	port = sshserver.DefaultSSHPort
@@ -213,7 +196,6 @@ func resetSSHGlobals() {
 	strictHostKeyChecking = true
 	knownHostsFile = ""
 	identityFile = ""
-	sshNoBrowser = false
 }

 // parseCustomSSHFlags extracts -L, -R flags and returns filtered args
@@ -388,7 +370,6 @@ type sshFlags struct {
 	KnownHostsFile        string
 	IdentityFile          string
 	SkipCachedToken       bool
-	NoBrowser             bool
 	ConfigPath            string
 	LogLevel              string
 	LocalForwards         []string
@@ -400,7 +381,6 @@ type sshFlags struct {
 func createSSHFlagSet() (*flag.FlagSet, *sshFlags) {
 	defaultConfigPath := getEnvOrDefault("CONFIG", configPath)
 	defaultLogLevel := getEnvOrDefault("LOG_LEVEL", logLevel)
-	defaultNoBrowser := getBoolEnvOrDefault("NO_BROWSER", false)

 	fs := flag.NewFlagSet("ssh-flags", flag.ContinueOnError)
 	fs.SetOutput(nil)
@@ -421,7 +401,6 @@ func createSSHFlagSet() (*flag.FlagSet, *sshFlags) {
 	fs.StringVar(&flags.IdentityFile, "i", "", "Path to SSH private key file")
 	fs.StringVar(&flags.IdentityFile, "identity", "", "Path to SSH private key file")
 	fs.BoolVar(&flags.SkipCachedToken, "no-cache", false, "Skip cached JWT token and force fresh authentication")
-	fs.BoolVar(&flags.NoBrowser, "no-browser", defaultNoBrowser, noBrowserDesc)

 	fs.StringVar(&flags.ConfigPath, "c", defaultConfigPath, "Netbird config file location")
 	fs.StringVar(&flags.ConfigPath, "config", defaultConfigPath, "Netbird config file location")
@@ -470,7 +449,6 @@ func validateSSHArgsWithoutFlagParsing(_ *cobra.Command, args []string) error {
 	knownHostsFile = flags.KnownHostsFile
 	identityFile = flags.IdentityFile
 	skipCachedToken = flags.SkipCachedToken
-	sshNoBrowser = flags.NoBrowser

 	if flags.ConfigPath != getEnvOrDefault("CONFIG", configPath) {
 		configPath = flags.ConfigPath
@@ -530,7 +508,6 @@ func runSSH(ctx context.Context, addr string, cmd *cobra.Command) error {
 		DaemonAddr:         daemonAddr,
 		SkipCachedToken:    skipCachedToken,
 		InsecureSkipVerify: !strictHostKeyChecking,
-		NoBrowser:          sshNoBrowser,
 	})

 	if err != nil {
@@ -634,11 +611,7 @@ func parseAndStartLocalForward(ctx context.Context, c *sshclient.Client, forward
 		return err
 	}

-	if err := validateDestinationPort(remoteAddr); err != nil {
-		return fmt.Errorf("invalid remote address: %w", err)
-	}
-
-	log.Debugf("Local port forwarding: %s -> %s", localAddr, remoteAddr)
+	cmd.Printf("Local port forwarding: %s -> %s\n", localAddr, remoteAddr)

 	go func() {
 		if err := c.LocalPortForward(ctx, localAddr, remoteAddr); err != nil && !errors.Is(err, context.Canceled) {
@@ -656,11 +629,7 @@ func parseAndStartRemoteForward(ctx context.Context, c *sshclient.Client, forwar
 		return err
 	}

-	if err := validateDestinationPort(localAddr); err != nil {
-		return fmt.Errorf("invalid local address: %w", err)
-	}
-
-	log.Debugf("Remote port forwarding: %s -> %s", remoteAddr, localAddr)
+	cmd.Printf("Remote port forwarding: %s -> %s\n", remoteAddr, localAddr)

 	go func() {
 		if err := c.RemotePortForward(ctx, remoteAddr, localAddr); err != nil && !errors.Is(err, context.Canceled) {
@@ -671,35 +640,6 @@ func parseAndStartRemoteForward(ctx context.Context, c *sshclient.Client, forwar
 	return nil
 }

-// validateDestinationPort checks that the destination address has a valid port.
-// Port 0 is only valid for bind addresses (where the OS picks an available port),
-// not for destination addresses where we need to connect.
-func validateDestinationPort(addr string) error {
-	if strings.HasPrefix(addr, "/") || strings.HasPrefix(addr, "./") {
-		return nil
-	}
-
-	_, portStr, err := net.SplitHostPort(addr)
-	if err != nil {
-		return fmt.Errorf("parse address %s: %w", addr, err)
-	}
-
-	port, err := strconv.Atoi(portStr)
-	if err != nil {
-		return fmt.Errorf("invalid port %s: %w", portStr, err)
-	}
-
-	if port == 0 {
-		return fmt.Errorf("port 0 is not valid for destination address")
-	}
-
-	if port < 0 || port > 65535 {
-		return fmt.Errorf("port %d out of range (1-65535)", port)
-	}
-
-	return nil
-}
-
 // parsePortForwardSpec parses port forward specifications like "8080:localhost:80" or "[::1]:8080:localhost:80".
 // Also supports Unix sockets like "8080:/tmp/socket" or "127.0.0.1:8080:/tmp/socket".
 func parsePortForwardSpec(spec string) (string, string, error) {
@@ -809,9 +749,7 @@ func sshProxyFn(cmd *cobra.Command, args []string) error {
 	if firstLogFile := util.FindFirstLogPath(logFiles); firstLogFile != "" && firstLogFile != defaultLogFile {
 		logOutput = firstLogFile
 	}
-
-	proxyLogLevel := getEnvOrDefault("LOG_LEVEL", logLevel)
-	if err := util.InitLog(proxyLogLevel, logOutput); err != nil {
+	if err := util.InitLog(logLevel, logOutput); err != nil {
 		return fmt.Errorf("init log: %w", err)
 	}

@@ -823,15 +761,7 @@ func sshProxyFn(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("invalid port: %s", portStr)
 	}

-	// Check env var for browser setting since this command is invoked via SSH ProxyCommand
-	// where command-line flags cannot be passed. Default is to open browser.
-	noBrowser := getBoolEnvOrDefault("NO_BROWSER", false)
-	var browserOpener func(string) error
-	if !noBrowser {
-		browserOpener = util.OpenBrowser
-	}
-
-	proxy, err := sshproxy.New(daemonAddr, host, port, cmd.ErrOrStderr(), browserOpener)
+	proxy, err := sshproxy.New(daemonAddr, host, port, cmd.ErrOrStderr())
 	if err != nil {
 		return fmt.Errorf("create SSH proxy: %w", err)
 	}
@@ -858,8 +788,7 @@ var sshDetectCmd = &cobra.Command{
 }

 func sshDetectFn(cmd *cobra.Command, args []string) error {
-	detectLogLevel := getEnvOrDefault("LOG_LEVEL", logLevel)
-	if err := util.InitLog(detectLogLevel, "console"); err != nil {
+	if err := util.InitLog(logLevel, "console"); err != nil {
 		os.Exit(detection.ServerTypeRegular.ExitCode())
 	}

@@ -868,21 +797,15 @@ func sshDetectFn(cmd *cobra.Command, args []string) error {

 	port, err := strconv.Atoi(portStr)
 	if err != nil {
-		log.Debugf("invalid port %q: %v", portStr, err)
 		os.Exit(detection.ServerTypeRegular.ExitCode())
 	}

-	ctx, cancel := context.WithTimeout(cmd.Context(), detection.DefaultTimeout)
-
-	dialer := &net.Dialer{}
-	serverType, err := detection.DetectSSHServerType(ctx, dialer, host, port)
+	dialer := &net.Dialer{Timeout: detection.Timeout}
+	serverType, err := detection.DetectSSHServerType(cmd.Context(), dialer, host, port)
 	if err != nil {
-		log.Debugf("SSH server detection failed: %v", err)
-		cancel()
 		os.Exit(detection.ServerTypeRegular.ExitCode())
 	}

-	cancel()
 	os.Exit(serverType.ExitCode())
 	return nil
 }
--- a/client/cmd/status.go
+++ b/client/cmd/status.go
@@ -103,13 +103,13 @@ func statusFunc(cmd *cobra.Command, args []string) error {
 	var statusOutputString string
 	switch {
 	case detailFlag:
-		statusOutputString = outputInformationHolder.FullDetailSummary()
+		statusOutputString = nbstatus.ParseToFullDetailSummary(outputInformationHolder)
 	case jsonFlag:
-		statusOutputString, err = outputInformationHolder.JSON()
+		statusOutputString, err = nbstatus.ParseToJSON(outputInformationHolder)
 	case yamlFlag:
-		statusOutputString, err = outputInformationHolder.YAML()
+		statusOutputString, err = nbstatus.ParseToYAML(outputInformationHolder)
 	default:
-		statusOutputString = outputInformationHolder.GeneralSummary(false, false, false, false)
+		statusOutputString = nbstatus.ParseGeneralSummary(outputInformationHolder, false, false, false, false)
 	}

 	if err != nil {
@@ -124,7 +124,6 @@ func statusFunc(cmd *cobra.Command, args []string) error {
 func getStatus(ctx context.Context, shouldRunProbes bool) (*proto.StatusResponse, error) {
 	conn, err := DialClientGRPCServer(ctx, daemonAddr)
 	if err != nil {
-		//nolint
 		return nil, fmt.Errorf("failed to connect to daemon error: %v\n"+
 			"If the daemon is not running please run: "+
 			"\nnetbird service install \nnetbird service start\n", err)
--- a/client/cmd/testutil_test.go
+++ b/client/cmd/testutil_test.go
@@ -15,8 +15,6 @@ import (

 	"github.com/netbirdio/netbird/management/internals/controllers/network_map/controller"
 	"github.com/netbirdio/netbird/management/internals/controllers/network_map/update_channel"
-	"github.com/netbirdio/netbird/management/internals/modules/peers"
-	"github.com/netbirdio/netbird/management/internals/modules/peers/ephemeral/manager"
 	nbgrpc "github.com/netbirdio/netbird/management/internals/shared/grpc"

 	clientProto "github.com/netbirdio/netbird/client/proto"
@@ -26,6 +24,8 @@ import (
 	"github.com/netbirdio/netbird/management/server/activity"
 	"github.com/netbirdio/netbird/management/server/groups"
 	"github.com/netbirdio/netbird/management/server/integrations/port_forwarding"
+	"github.com/netbirdio/netbird/management/server/peers"
+	"github.com/netbirdio/netbird/management/server/peers/ephemeral/manager"
 	"github.com/netbirdio/netbird/management/server/permissions"
 	"github.com/netbirdio/netbird/management/server/settings"
 	"github.com/netbirdio/netbird/management/server/store"
@@ -89,6 +89,9 @@ func startManagement(t *testing.T, config *config.Config, testFile string) (*grp
 	t.Cleanup(cleanUp)

 	eventStore := &activity.InMemoryEventStore{}
+	if err != nil {
+		return nil, nil
+	}

 	ctrl := gomock.NewController(t)
 	t.Cleanup(ctrl.Finish)
@@ -113,18 +116,15 @@ func startManagement(t *testing.T, config *config.Config, testFile string) (*grp
 	ctx := context.Background()
 	updateManager := update_channel.NewPeersUpdateManager(metrics)
 	requestBuffer := mgmt.NewAccountRequestBuffer(ctx, store)
-	networkMapController := controller.NewController(ctx, store, metrics, updateManager, requestBuffer, mgmt.MockIntegratedValidator{}, settingsMockManager, "netbird.cloud", port_forwarding.NewControllerMock(), manager.NewEphemeralManager(store, peersmanager), config)
+	networkMapController := controller.NewController(ctx, store, metrics, updateManager, requestBuffer, mgmt.MockIntegratedValidator{}, settingsMockManager, "netbird.cloud", port_forwarding.NewControllerMock())

 	accountManager, err := mgmt.BuildManager(context.Background(), config, store, networkMapController, nil, "", eventStore, nil, false, iv, metrics, port_forwarding.NewControllerMock(), settingsMockManager, permissionsManagerMock, false)
 	if err != nil {
 		t.Fatal(err)
 	}

-	secretsManager, err := nbgrpc.NewTimeBasedAuthSecretsManager(updateManager, config.TURNConfig, config.Relay, settingsMockManager, groupsManager)
-	if err != nil {
-		t.Fatal(err)
-	}
-	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, secretsManager, nil, nil, &mgmt.MockIntegratedValidator{}, networkMapController, nil)
+	secretsManager := nbgrpc.NewTimeBasedAuthSecretsManager(updateManager, config.TURNConfig, config.Relay, settingsMockManager, groupsManager)
+	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, updateManager, secretsManager, nil, &manager.EphemeralManager{}, nil, &mgmt.MockIntegratedValidator{}, networkMapController)
 	if err != nil {
 		t.Fatal(err)
 	}
--- a/client/cmd/up.go
+++ b/client/cmd/up.go
@@ -197,7 +197,7 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command, activeProf *pr
 	r := peer.NewRecorder(config.ManagementURL.String())
 	r.GetFullStatus()

-	connectClient := internal.NewConnectClient(ctx, config, r, false)
+	connectClient := internal.NewConnectClient(ctx, config, r)
 	SetupDebugHandler(ctx, config, r, connectClient, "")

 	return connectClient.Run(nil)
@@ -216,7 +216,6 @@ func runInDaemonMode(ctx context.Context, cmd *cobra.Command, pm *profilemanager

 	conn, err := DialClientGRPCServer(ctx, daemonAddr)
 	if err != nil {
-		//nolint
 		return fmt.Errorf("failed to connect to daemon error: %v\n"+
 			"If the daemon is not running please run: "+
 			"\nnetbird service install \nnetbird service start\n", err)
--- a/client/cmd/update.go
+++ b/client/cmd/update.go
@@ -1,13 +0,0 @@
-//go:build !windows && !darwin
-
-package cmd
-
-import (
-	"github.com/spf13/cobra"
-)
-
-var updateCmd *cobra.Command
-
-func isUpdateBinary() bool {
-	return false
-}
--- a/client/cmd/update_supported.go
+++ b/client/cmd/update_supported.go
@@ -1,75 +0,0 @@
-//go:build windows || darwin
-
-package cmd
-
-import (
-	"context"
-	"os"
-	"path/filepath"
-	"strings"
-
-	log "github.com/sirupsen/logrus"
-	"github.com/spf13/cobra"
-
-	"github.com/netbirdio/netbird/client/internal/updatemanager/installer"
-	"github.com/netbirdio/netbird/util"
-)
-
-var (
-	updateCmd = &cobra.Command{
-		Use:   "update",
-		Short: "Update the NetBird client application",
-		RunE:  updateFunc,
-	}
-
-	tempDirFlag    string
-	installerFile  string
-	serviceDirFlag string
-	dryRunFlag     bool
-)
-
-func init() {
-	updateCmd.Flags().StringVar(&tempDirFlag, "temp-dir", "", "temporary dir")
-	updateCmd.Flags().StringVar(&installerFile, "installer-file", "", "installer file")
-	updateCmd.Flags().StringVar(&serviceDirFlag, "service-dir", "", "service directory")
-	updateCmd.Flags().BoolVar(&dryRunFlag, "dry-run", false, "dry run the update process without making any changes")
-}
-
-// isUpdateBinary checks if the current executable is named "update" or "update.exe"
-func isUpdateBinary() bool {
-	// Remove extension for cross-platform compatibility
-	execPath, err := os.Executable()
-	if err != nil {
-		return false
-	}
-	baseName := filepath.Base(execPath)
-	name := strings.TrimSuffix(baseName, filepath.Ext(baseName))
-
-	return name == installer.UpdaterBinaryNameWithoutExtension()
-}
-
-func updateFunc(cmd *cobra.Command, args []string) error {
-	if err := setupLogToFile(tempDirFlag); err != nil {
-		return err
-	}
-
-	log.Infof("updater started: %s", serviceDirFlag)
-	updater := installer.NewWithDir(tempDirFlag)
-	if err := updater.Setup(context.Background(), dryRunFlag, installerFile, serviceDirFlag); err != nil {
-		log.Errorf("failed to update application: %v", err)
-		return err
-	}
-	return nil
-}
-
-func setupLogToFile(dir string) error {
-	logFile := filepath.Join(dir, installer.LogFile)
-
-	if _, err := os.Stat(logFile); err == nil {
-		if err := os.Remove(logFile); err != nil {
-			log.Errorf("failed to remove existing log file: %v\n", err)
-		}
-	}
-
-	return util.InitLog(logLevel, util.LogConsole, logFile)
-}
--- a/client/embed/embed.go
+++ b/client/embed/embed.go
@@ -10,7 +10,6 @@ import (
 	"net/netip"
 	"os"
 	"sync"
-	"time"

 	"github.com/sirupsen/logrus"
 	wgnetstack "golang.zx2c4.com/wireguard/tun/netstack"
@@ -21,7 +20,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	sshcommon "github.com/netbirdio/netbird/client/ssh"
 	"github.com/netbirdio/netbird/client/system"
-	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
 )

 var (
@@ -31,11 +29,6 @@ var (
 	ErrConfigNotInitialized = errors.New("config not initialized")
 )

-const (
-	defaultPeerConnectionTimeout = 60 * time.Second
-	peerConnectionPollInterval   = 500 * time.Millisecond
-)
-
 // Client manages a netbird embedded client instance.
 type Client struct {
 	deviceName string
@@ -45,7 +38,6 @@ type Client struct {
 	setupKey   string
 	jwtToken   string
 	connect    *internal.ConnectClient
-	recorder   *peer.Status
 }

 // Options configures a new Client.
@@ -169,17 +161,11 @@ func New(opts Options) (*Client, error) {
 func (c *Client) Start(startCtx context.Context) error {
 	c.mu.Lock()
 	defer c.mu.Unlock()
-	if c.connect != nil {
+	if c.cancel != nil {
 		return ErrClientAlreadyStarted
 	}

-	ctx, cancel := context.WithCancel(internal.CtxInitState(context.Background()))
-	defer func() {
-		if c.connect == nil {
-			cancel()
-		}
-	}()
-
+	ctx := internal.CtxInitState(context.Background())
 	// nolint:staticcheck
 	ctx = context.WithValue(ctx, system.DeviceNameCtxKey, c.deviceName)
 	if err := internal.Login(ctx, c.config, c.setupKey, c.jwtToken); err != nil {
@@ -187,9 +173,7 @@ func (c *Client) Start(startCtx context.Context) error {
 	}

 	recorder := peer.NewRecorder(c.config.ManagementURL.String())
-	c.recorder = recorder
-	client := internal.NewConnectClient(ctx, c.config, recorder, false)
-	client.SetSyncResponsePersistence(true)
+	client := internal.NewConnectClient(ctx, c.config, recorder)

 	// either startup error (permanent backoff err) or nil err (successful engine up)
 	// TODO: make after-startup backoff err available
@@ -213,7 +197,6 @@ func (c *Client) Start(startCtx context.Context) error {
 	}

 	c.connect = client
-	c.cancel = cancel

 	return nil
 }
@@ -228,23 +211,17 @@ func (c *Client) Stop(ctx context.Context) error {
 		return ErrClientNotStarted
 	}

-	if c.cancel != nil {
-		c.cancel()
-		c.cancel = nil
-	}
-
 	done := make(chan error, 1)
-	connect := c.connect
 	go func() {
-		done <- connect.Stop()
+		done <- c.connect.Stop()
 	}()

 	select {
 	case <-ctx.Done():
-		c.connect = nil
+		c.cancel = nil
 		return ctx.Err()
 	case err := <-done:
-		c.connect = nil
+		c.cancel = nil
 		if err != nil {
 			return fmt.Errorf("stop: %w", err)
 		}
@@ -264,40 +241,18 @@ func (c *Client) GetConfig() (profilemanager.Config, error) {

 // Dial dials a network address in the netbird network.
 // Not applicable if the userspace networking mode is disabled.
-// With lazy connections, the connection is established on first traffic.
 func (c *Client) Dial(ctx context.Context, network, address string) (net.Conn, error) {
-	logrus.Infof("embed.Dial called: network=%s, address=%s", network, address)
-
-	// Check context status upfront
-	if ctx.Err() != nil {
-		logrus.Warnf("embed.Dial: context already cancelled/expired: %v", ctx.Err())
-		return nil, ctx.Err()
-	}
-
 	engine, err := c.getEngine()
 	if err != nil {
-		logrus.Errorf("embed.Dial: getEngine failed: %v", err)
 		return nil, err
 	}

 	nsnet, err := engine.GetNet()
 	if err != nil {
-		logrus.Errorf("embed.Dial: GetNet failed: %v", err)
 		return nil, fmt.Errorf("get net: %w", err)
 	}

-	// Note: Don't wait for peer connection here - lazy connection manager
-	// will open the connection when DialContext is called. The netstack
-	// dial triggers WireGuard traffic which activates the lazy connection.
-
-	logrus.Debugf("embed.Dial: calling nsnet.DialContext for %s", address)
-	conn, err := nsnet.DialContext(ctx, network, address)
-	if err != nil {
-		logrus.Errorf("embed.Dial: nsnet.DialContext failed: %v", err)
-		return nil, err
-	}
-	logrus.Infof("embed.Dial: successfully connected to %s", address)
-	return conn, nil
+	return nsnet.DialContext(ctx, network, address)
 }

 // DialContext dials a network address in the netbird network with context
@@ -360,90 +315,6 @@ func (c *Client) NewHTTPClient() *http.Client {
 	}
 }

-// Status returns the current status of the client.
-func (c *Client) Status() (peer.FullStatus, error) {
-	c.mu.Lock()
-	recorder := c.recorder
-	connect := c.connect
-	c.mu.Unlock()
-
-	if recorder == nil {
-		return peer.FullStatus{}, errors.New("client not started")
-	}
-
-	if connect != nil {
-		engine := connect.Engine()
-		if engine != nil {
-			_ = engine.RunHealthProbes(false)
-		}
-	}
-
-	return recorder.GetFullStatus(), nil
-}
-
-// GetLatestSyncResponse returns the latest sync response from the management server.
-func (c *Client) GetLatestSyncResponse() (*mgmProto.SyncResponse, error) {
-	engine, err := c.getEngine()
-	if err != nil {
-		return nil, err
-	}
-
-	syncResp, err := engine.GetLatestSyncResponse()
-	if err != nil {
-		return nil, fmt.Errorf("get sync response: %w", err)
-	}
-
-	return syncResp, nil
-}
-
-// WaitForPeerConnection waits for a peer with the given IP to be connected.
-func (c *Client) WaitForPeerConnection(ctx context.Context, peerIP string) error {
-	logrus.Infof("Waiting for peer %s to be connected", peerIP)
-
-	ticker := time.NewTicker(peerConnectionPollInterval)
-	defer ticker.Stop()
-
-	for {
-		select {
-		case <-ctx.Done():
-			return fmt.Errorf("timeout waiting for peer %s to connect: %w", peerIP, ctx.Err())
-		case <-ticker.C:
-			status, err := c.Status()
-			if err != nil {
-				logrus.Debugf("Error getting status while waiting for peer: %v", err)
-				continue
-			}
-
-			for _, p := range status.Peers {
-				if p.IP == peerIP && p.ConnStatus == peer.StatusConnected {
-					logrus.Infof("Peer %s is now connected (relayed: %v)", peerIP, p.Relayed)
-					return nil
-				}
-			}
-			logrus.Tracef("Peer %s not yet connected, waiting...", peerIP)
-		}
-	}
-}
-
-// SetLogLevel sets the logging level for the client and its components.
-func (c *Client) SetLogLevel(levelStr string) error {
-	level, err := logrus.ParseLevel(levelStr)
-	if err != nil {
-		return fmt.Errorf("parse log level: %w", err)
-	}
-
-	logrus.SetLevel(level)
-
-	c.mu.Lock()
-	connect := c.connect
-	c.mu.Unlock()
-
-	// Note: ConnectClient doesn't have SetLogLevel method
-	_ = connect
-
-	return nil
-}
-
 // VerifySSHHostKey verifies an SSH host key against stored peer keys.
 // Returns nil if the key matches, ErrPeerNotFound if peer is not in network,
 // ErrNoStoredKey if peer has no stored key, or an error for verification failures.
--- a/client/firewall/iptables/acl_linux.go
+++ b/client/firewall/iptables/acl_linux.go
@@ -386,8 +386,11 @@ func (m *aclManager) updateState() {

 // filterRuleSpecs returns the specs of a filtering rule
 func filterRuleSpecs(ip net.IP, protocol string, sPort, dPort *firewall.Port, action firewall.Action, ipsetName string) (specs []string) {
+	matchByIP := true
 	// don't use IP matching if IP is 0.0.0.0
-	matchByIP := !ip.IsUnspecified()
+	if ip.IsUnspecified() {
+		matchByIP = false
+	}

 	if matchByIP {
 		if ipsetName != "" {
--- a/client/firewall/iptables/manager_linux_test.go
+++ b/client/firewall/iptables/manager_linux_test.go
@@ -161,7 +161,7 @@ func TestIptablesManagerDenyRules(t *testing.T) {
 			t.Logf("  [%d] %s", i, rule)
 		}

-		var denyRuleIndex, acceptRuleIndex = -1, -1
+		var denyRuleIndex, acceptRuleIndex int = -1, -1
 		for i, rule := range rules {
 			if strings.Contains(rule, "DROP") {
 				t.Logf("Found DROP rule at index %d: %s", i, rule)
--- a/client/firewall/nftables/manager_linux_test.go
+++ b/client/firewall/nftables/manager_linux_test.go
@@ -198,7 +198,7 @@ func TestNftablesManagerRuleOrder(t *testing.T) {
 	t.Logf("Found %d rules in nftables chain", len(rules))

 	// Find the accept and deny rules and verify deny comes before accept
-	var acceptRuleIndex, denyRuleIndex = -1, -1
+	var acceptRuleIndex, denyRuleIndex int = -1, -1
 	for i, rule := range rules {
 		hasAcceptHTTPSet := false
 		hasDenyHTTPSet := false
@@ -208,13 +208,11 @@ func TestNftablesManagerRuleOrder(t *testing.T) {
 		for _, e := range rule.Exprs {
 			// Check for set lookup
 			if lookup, ok := e.(*expr.Lookup); ok {
-				switch lookup.SetName {
-				case "accept-http":
+				if lookup.SetName == "accept-http" {
 					hasAcceptHTTPSet = true
-				case "deny-http":
+				} else if lookup.SetName == "deny-http" {
 					hasDenyHTTPSet = true
 				}
-
 			}
 			// Check for port 80
 			if cmp, ok := e.(*expr.Cmp); ok {
@@ -224,10 +222,9 @@ func TestNftablesManagerRuleOrder(t *testing.T) {
 			}
 			// Check for verdict
 			if verdict, ok := e.(*expr.Verdict); ok {
-				switch verdict.Kind {
-				case expr.VerdictAccept:
+				if verdict.Kind == expr.VerdictAccept {
 					action = "ACCEPT"
-				case expr.VerdictDrop:
+				} else if verdict.Kind == expr.VerdictDrop {
 					action = "DROP"
 				}
 			}
@@ -389,97 +386,6 @@ func TestNftablesManagerCompatibilityWithIptables(t *testing.T) {
 	verifyIptablesOutput(t, stdout, stderr)
 }

-func TestNftablesManagerCompatibilityWithIptablesFor6kPrefixes(t *testing.T) {
-	if check() != NFTABLES {
-		t.Skip("nftables not supported on this system")
-	}
-
-	if _, err := exec.LookPath("iptables-save"); err != nil {
-		t.Skipf("iptables-save not available on this system: %v", err)
-	}
-
-	// First ensure iptables-nft tables exist by running iptables-save
-	stdout, stderr := runIptablesSave(t)
-	verifyIptablesOutput(t, stdout, stderr)
-
-	manager, err := Create(ifaceMock, iface.DefaultMTU)
-	require.NoError(t, err, "failed to create manager")
-	require.NoError(t, manager.Init(nil))
-
-	t.Cleanup(func() {
-		err := manager.Close(nil)
-		require.NoError(t, err, "failed to reset manager state")
-
-		// Verify iptables output after reset
-		stdout, stderr := runIptablesSave(t)
-		verifyIptablesOutput(t, stdout, stderr)
-	})
-
-	const octet2Count = 25
-	const octet3Count = 255
-	prefixes := make([]netip.Prefix, 0, (octet2Count-1)*(octet3Count-1))
-	for i := 1; i < octet2Count; i++ {
-		for j := 1; j < octet3Count; j++ {
-			addr := netip.AddrFrom4([4]byte{192, byte(j), byte(i), 0})
-			prefixes = append(prefixes, netip.PrefixFrom(addr, 24))
-		}
-	}
-	_, err = manager.AddRouteFiltering(
-		nil,
-		prefixes,
-		fw.Network{Prefix: netip.MustParsePrefix("10.2.0.0/24")},
-		fw.ProtocolTCP,
-		nil,
-		&fw.Port{Values: []uint16{443}},
-		fw.ActionAccept,
-	)
-	require.NoError(t, err, "failed to add route filtering rule")
-
-	stdout, stderr = runIptablesSave(t)
-	verifyIptablesOutput(t, stdout, stderr)
-}
-
-func TestNftablesManagerCompatibilityWithIptablesForEmptyPrefixes(t *testing.T) {
-	if check() != NFTABLES {
-		t.Skip("nftables not supported on this system")
-	}
-
-	if _, err := exec.LookPath("iptables-save"); err != nil {
-		t.Skipf("iptables-save not available on this system: %v", err)
-	}
-
-	// First ensure iptables-nft tables exist by running iptables-save
-	stdout, stderr := runIptablesSave(t)
-	verifyIptablesOutput(t, stdout, stderr)
-
-	manager, err := Create(ifaceMock, iface.DefaultMTU)
-	require.NoError(t, err, "failed to create manager")
-	require.NoError(t, manager.Init(nil))
-
-	t.Cleanup(func() {
-		err := manager.Close(nil)
-		require.NoError(t, err, "failed to reset manager state")
-
-		// Verify iptables output after reset
-		stdout, stderr := runIptablesSave(t)
-		verifyIptablesOutput(t, stdout, stderr)
-	})
-
-	_, err = manager.AddRouteFiltering(
-		nil,
-		[]netip.Prefix{},
-		fw.Network{Prefix: netip.MustParsePrefix("10.2.0.0/24")},
-		fw.ProtocolTCP,
-		nil,
-		&fw.Port{Values: []uint16{443}},
-		fw.ActionAccept,
-	)
-	require.NoError(t, err, "failed to add route filtering rule")
-
-	stdout, stderr = runIptablesSave(t)
-	verifyIptablesOutput(t, stdout, stderr)
-}
-
 func compareExprsIgnoringCounters(t *testing.T, got, want []expr.Any) {
 	t.Helper()
 	require.Equal(t, len(got), len(want), "expression count mismatch")
--- a/client/firewall/nftables/router_linux.go
+++ b/client/firewall/nftables/router_linux.go
@@ -27,11 +27,7 @@ import (
 )

 const (
-	tableNat      = "nat"
-	tableMangle   = "mangle"
-	tableRaw      = "raw"
-	tableSecurity = "security"
-
+	tableNat               = "nat"
 	chainNameNatPrerouting = "PREROUTING"
 	chainNameRoutingFw     = "netbird-rt-fwd"
 	chainNameRoutingNat    = "netbird-rt-postrouting"
@@ -48,12 +44,10 @@ const (

 	// ipTCPHeaderMinSize represents minimum IP (20) + TCP (20) header size for MSS calculation
 	ipTCPHeaderMinSize = 40
-
-	// maxPrefixesSet 1638 prefixes start to fail, taking some margin
-	maxPrefixesSet       = 1500
-	refreshRulesMapError = "refresh rules map: %w"
 )

+const refreshRulesMapError = "refresh rules map: %w"
+
 var (
 	errFilterTableNotFound = fmt.Errorf("'filter' table not found")
 )
@@ -97,7 +91,11 @@ func newRouter(workTable *nftables.Table, wgIface iFaceMapper, mtu uint16) (*rou
 	var err error
 	r.filterTable, err = r.loadFilterTable()
 	if err != nil {
-		log.Debugf("ip filter table not found: %v", err)
+		if errors.Is(err, errFilterTableNotFound) {
+			log.Warnf("table 'filter' not found for forward rules")
+		} else {
+			return nil, fmt.Errorf("load filter table: %w", err)
+		}
 	}

 	return r, nil
@@ -177,7 +175,7 @@ func (r *router) removeNatPreroutingRules() error {
 func (r *router) loadFilterTable() (*nftables.Table, error) {
 	tables, err := r.conn.ListTablesOfFamily(nftables.TableFamilyIPv4)
 	if err != nil {
-		return nil, fmt.Errorf("list tables: %w", err)
+		return nil, fmt.Errorf("unable to list tables: %v", err)
 	}

 	for _, table := range tables {
@@ -189,39 +187,14 @@ func (r *router) loadFilterTable() (*nftables.Table, error) {
 	return nil, errFilterTableNotFound
 }

-func hookName(hook *nftables.ChainHook) string {
-	if hook == nil {
-		return "unknown"
-	}
-	switch *hook {
-	case *nftables.ChainHookForward:
-		return chainNameForward
-	case *nftables.ChainHookInput:
-		return chainNameInput
-	default:
-		return fmt.Sprintf("hook(%d)", *hook)
-	}
-}
-
-func familyName(family nftables.TableFamily) string {
-	switch family {
-	case nftables.TableFamilyIPv4:
-		return "ip"
-	case nftables.TableFamilyIPv6:
-		return "ip6"
-	case nftables.TableFamilyINet:
-		return "inet"
-	default:
-		return fmt.Sprintf("family(%d)", family)
-	}
-}
-
 func (r *router) createContainers() error {
 	r.chains[chainNameRoutingFw] = r.conn.AddChain(&nftables.Chain{
 		Name:  chainNameRoutingFw,
 		Table: r.workTable,
 	})

+	insertReturnTrafficRule(r.conn, r.workTable, r.chains[chainNameRoutingFw])
+
 	prio := *nftables.ChainPriorityNATSource - 1
 	r.chains[chainNameRoutingNat] = r.conn.AddChain(&nftables.Chain{
 		Name:     chainNameRoutingNat,
@@ -263,12 +236,9 @@ func (r *router) createContainers() error {
 		Type:     nftables.ChainTypeFilter,
 	})

-	insertReturnTrafficRule(r.conn, r.workTable, r.chains[chainNameRoutingFw])
-
-	r.addPostroutingRules()
-
-	if err := r.conn.Flush(); err != nil {
-		return fmt.Errorf("initialize tables: %v", err)
+	// Add the single NAT rule that matches on mark
+	if err := r.addPostroutingRules(); err != nil {
+		return fmt.Errorf("add single nat rule: %v", err)
 	}

 	if err := r.addMSSClampingRules(); err != nil {
@@ -280,7 +250,11 @@ func (r *router) createContainers() error {
 	}

 	if err := r.refreshRulesMap(); err != nil {
-		log.Errorf("failed to refresh rules: %s", err)
+		log.Errorf("failed to clean up rules from FORWARD chain: %s", err)
+	}
+
+	if err := r.conn.Flush(); err != nil {
+		return fmt.Errorf("initialize tables: %v", err)
 	}

 	return nil
@@ -515,35 +489,16 @@ func (r *router) createIpSet(setName string, input setInput) (*nftables.Set, err
 	}

 	elements := convertPrefixesToSet(prefixes)
-	nElements := len(elements)
-
-	maxElements := maxPrefixesSet * 2
-	initialElements := elements[:min(maxElements, nElements)]
-
-	if err := r.conn.AddSet(nfset, initialElements); err != nil {
-		return nil, fmt.Errorf("error adding set %s: %w", setName, err)
+	if err := r.conn.AddSet(nfset, elements); err != nil {
+		return nil, fmt.Errorf("error adding elements to set %s: %w", setName, err)
 	}
+
 	if err := r.conn.Flush(); err != nil {
 		return nil, fmt.Errorf("flush error: %w", err)
 	}
-	log.Debugf("Created new ipset: %s with %d initial prefixes (total prefixes %d)", setName, len(initialElements)/2, len(prefixes))

-	var subEnd int
-	for subStart := maxElements; subStart < nElements; subStart += maxElements {
-		subEnd = min(subStart+maxElements, nElements)
-		subElement := elements[subStart:subEnd]
-		nSubPrefixes := len(subElement) / 2
-		log.Tracef("Adding new prefixes (%d) in ipset: %s", nSubPrefixes, setName)
-		if err := r.conn.SetAddElements(nfset, subElement); err != nil {
-			return nil, fmt.Errorf("error adding prefixes (%d) to set %s: %w", nSubPrefixes, setName, err)
-		}
-		if err := r.conn.Flush(); err != nil {
-			return nil, fmt.Errorf("flush error: %w", err)
-		}
-		log.Debugf("Added new prefixes (%d) in ipset: %s", nSubPrefixes, setName)
-	}
+	log.Printf("Created new ipset: %s with %d elements", setName, len(elements)/2)

-	log.Infof("Created new ipset: %s with %d prefixes", setName, len(prefixes))
 	return nfset, nil
 }

@@ -740,7 +695,7 @@ func (r *router) addNatRule(pair firewall.RouterPair) error {
 }

 // addPostroutingRules adds the masquerade rules
-func (r *router) addPostroutingRules() {
+func (r *router) addPostroutingRules() error {
 	// First masquerade rule for traffic coming in from WireGuard interface
 	exprs := []expr.Any{
 		// Match on the first fwmark
@@ -806,6 +761,8 @@ func (r *router) addPostroutingRules() {
 		Chain: r.chains[chainNameRoutingNat],
 		Exprs: exprs2,
 	})
+
+	return nil
 }

 // addMSSClampingRules adds MSS clamping rules to prevent fragmentation for forwarded traffic.
@@ -882,7 +839,7 @@ func (r *router) addMSSClampingRules() error {
 		Exprs: exprsOut,
 	})

-	return r.conn.Flush()
+	return nil
 }

 // addLegacyRouteRule adds a legacy routing rule for mgmt servers pre route acls
@@ -982,21 +939,8 @@ func (r *router) RemoveAllLegacyRouteRules() error {
 // In case the FORWARD policy is set to "drop", we add an established/related rule to allow return traffic for the inbound rule.
 // This method also adds INPUT chain rules to allow traffic to the local interface.
 func (r *router) acceptForwardRules() error {
-	var merr *multierror.Error
-
-	if err := r.acceptFilterTableRules(); err != nil {
-		merr = multierror.Append(merr, err)
-	}
-
-	if err := r.acceptExternalChainsRules(); err != nil {
-		merr = multierror.Append(merr, fmt.Errorf("add accept rules to external chains: %w", err))
-	}
-
-	return nberrors.FormatErrorOrNil(merr)
-}
-
-func (r *router) acceptFilterTableRules() error {
 	if r.filterTable == nil {
+		log.Debugf("table 'filter' not found for forward rules, skipping accept rules")
 		return nil
 	}

@@ -1009,11 +953,11 @@ func (r *router) acceptFilterTableRules() error {
 	// Try iptables first and fallback to nftables if iptables is not available
 	ipt, err := iptables.New()
 	if err != nil {
-		// iptables is not available but the filter table exists
+		// filter table exists but iptables is not
 		log.Warnf("Will use nftables to manipulate the filter table because iptables is not available: %v", err)

 		fw = "nftables"
-		return r.acceptFilterRulesNftables(r.filterTable)
+		return r.acceptFilterRulesNftables()
 	}

 	return r.acceptFilterRulesIptables(ipt)
@@ -1024,7 +968,7 @@ func (r *router) acceptFilterRulesIptables(ipt *iptables.IPTables) error {

 	for _, rule := range r.getAcceptForwardRules() {
 		if err := ipt.Insert("filter", chainNameForward, 1, rule...); err != nil {
-			merr = multierror.Append(merr, fmt.Errorf("add iptables forward rule: %v", err))
+			merr = multierror.Append(err, fmt.Errorf("add iptables forward rule: %v", err))
 		} else {
 			log.Debugf("added iptables forward rule: %v", rule)
 		}
@@ -1032,7 +976,7 @@ func (r *router) acceptFilterRulesIptables(ipt *iptables.IPTables) error {

 	inputRule := r.getAcceptInputRule()
 	if err := ipt.Insert("filter", chainNameInput, 1, inputRule...); err != nil {
-		merr = multierror.Append(merr, fmt.Errorf("add iptables input rule: %v", err))
+		merr = multierror.Append(err, fmt.Errorf("add iptables input rule: %v", err))
 	} else {
 		log.Debugf("added iptables input rule: %v", inputRule)
 	}
@@ -1052,70 +996,18 @@ func (r *router) getAcceptInputRule() []string {
 	return []string{"-i", r.wgIface.Name(), "-j", "ACCEPT"}
 }

-// acceptFilterRulesNftables adds accept rules to the ip filter table using nftables.
-// This is used when iptables is not available.
-func (r *router) acceptFilterRulesNftables(table *nftables.Table) error {
+func (r *router) acceptFilterRulesNftables() error {
 	intf := ifname(r.wgIface.Name())

-	forwardChain := &nftables.Chain{
-		Name:     chainNameForward,
-		Table:    table,
-		Type:     nftables.ChainTypeFilter,
-		Hooknum:  nftables.ChainHookForward,
-		Priority: nftables.ChainPriorityFilter,
-	}
-	r.insertForwardAcceptRules(forwardChain, intf)
-
-	inputChain := &nftables.Chain{
-		Name:     chainNameInput,
-		Table:    table,
-		Type:     nftables.ChainTypeFilter,
-		Hooknum:  nftables.ChainHookInput,
-		Priority: nftables.ChainPriorityFilter,
-	}
-	r.insertInputAcceptRule(inputChain, intf)
-
-	return r.conn.Flush()
-}
-
-// acceptExternalChainsRules adds accept rules to external chains (non-netbird, non-iptables tables).
-// It dynamically finds chains at call time to handle chains that may have been created after startup.
-func (r *router) acceptExternalChainsRules() error {
-	chains := r.findExternalChains()
-	if len(chains) == 0 {
-		return nil
-	}
-
-	intf := ifname(r.wgIface.Name())
-
-	for _, chain := range chains {
-		if chain.Hooknum == nil {
-			log.Debugf("skipping external chain %s/%s: hooknum is nil", chain.Table.Name, chain.Name)
-			continue
-		}
-
-		log.Debugf("adding accept rules to external %s chain: %s %s/%s",
-			hookName(chain.Hooknum), familyName(chain.Table.Family), chain.Table.Name, chain.Name)
-
-		switch *chain.Hooknum {
-		case *nftables.ChainHookForward:
-			r.insertForwardAcceptRules(chain, intf)
-		case *nftables.ChainHookInput:
-			r.insertInputAcceptRule(chain, intf)
-		}
-	}
-
-	if err := r.conn.Flush(); err != nil {
-		return fmt.Errorf("flush external chain rules: %w", err)
-	}
-
-	return nil
-}
-
-func (r *router) insertForwardAcceptRules(chain *nftables.Chain, intf []byte) {
 	iifRule := &nftables.Rule{
-		Table: chain.Table,
-		Chain: chain,
+		Table: r.filterTable,
+		Chain: &nftables.Chain{
+			Name:     chainNameForward,
+			Table:    r.filterTable,
+			Type:     nftables.ChainTypeFilter,
+			Hooknum:  nftables.ChainHookForward,
+			Priority: nftables.ChainPriorityFilter,
+		},
 		Exprs: []expr.Any{
 			&expr.Meta{Key: expr.MetaKeyIIFNAME, Register: 1},
 			&expr.Cmp{
@@ -1138,19 +1030,30 @@ func (r *router) insertForwardAcceptRules(chain *nftables.Chain, intf []byte) {
 			Data:     intf,
 		},
 	}
+
 	oifRule := &nftables.Rule{
-		Table:    chain.Table,
-		Chain:    chain,
+		Table: r.filterTable,
+		Chain: &nftables.Chain{
+			Name:     chainNameForward,
+			Table:    r.filterTable,
+			Type:     nftables.ChainTypeFilter,
+			Hooknum:  nftables.ChainHookForward,
+			Priority: nftables.ChainPriorityFilter,
+		},
 		Exprs:    append(oifExprs, getEstablishedExprs(2)...),
 		UserData: []byte(userDataAcceptForwardRuleOif),
 	}
 	r.conn.InsertRule(oifRule)
-}

-func (r *router) insertInputAcceptRule(chain *nftables.Chain, intf []byte) {
 	inputRule := &nftables.Rule{
-		Table: chain.Table,
-		Chain: chain,
+		Table: r.filterTable,
+		Chain: &nftables.Chain{
+			Name:     chainNameInput,
+			Table:    r.filterTable,
+			Type:     nftables.ChainTypeFilter,
+			Hooknum:  nftables.ChainHookInput,
+			Priority: nftables.ChainPriorityFilter,
+		},
 		Exprs: []expr.Any{
 			&expr.Meta{Key: expr.MetaKeyIIFNAME, Register: 1},
 			&expr.Cmp{
@@ -1164,44 +1067,32 @@ func (r *router) insertInputAcceptRule(chain *nftables.Chain, intf []byte) {
 		UserData: []byte(userDataAcceptInputRule),
 	}
 	r.conn.InsertRule(inputRule)
+
+	return nil
 }

 func (r *router) removeAcceptFilterRules() error {
-	var merr *multierror.Error
-
-	if err := r.removeFilterTableRules(); err != nil {
-		merr = multierror.Append(merr, err)
-	}
-
-	if err := r.removeExternalChainsRules(); err != nil {
-		merr = multierror.Append(merr, fmt.Errorf("remove external chain rules: %w", err))
-	}
-
-	return nberrors.FormatErrorOrNil(merr)
-}
-
-func (r *router) removeFilterTableRules() error {
 	if r.filterTable == nil {
 		return nil
 	}

 	ipt, err := iptables.New()
 	if err != nil {
-		log.Debugf("iptables not available, using nftables to remove filter rules: %v", err)
-		return r.removeAcceptRulesFromTable(r.filterTable)
+		log.Warnf("Will use nftables to manipulate the filter table because iptables is not available: %v", err)
+		return r.removeAcceptFilterRulesNftables()
 	}

 	return r.removeAcceptFilterRulesIptables(ipt)
 }

-func (r *router) removeAcceptRulesFromTable(table *nftables.Table) error {
-	chains, err := r.conn.ListChainsOfTableFamily(table.Family)
+func (r *router) removeAcceptFilterRulesNftables() error {
+	chains, err := r.conn.ListChainsOfTableFamily(nftables.TableFamilyIPv4)
 	if err != nil {
 		return fmt.Errorf("list chains: %v", err)
 	}

 	for _, chain := range chains {
-		if chain.Table.Name != table.Name {
+		if chain.Table.Name != r.filterTable.Name {
 			continue
 		}

@@ -1209,101 +1100,27 @@ func (r *router) removeAcceptRulesFromTable(table *nftables.Table) error {
 			continue
 		}

-		if err := r.removeAcceptRulesFromChain(table, chain); err != nil {
-			return err
-		}
-	}
-
-	return r.conn.Flush()
-}
-
-func (r *router) removeAcceptRulesFromChain(table *nftables.Table, chain *nftables.Chain) error {
-	rules, err := r.conn.GetRules(table, chain)
-	if err != nil {
-		return fmt.Errorf("get rules from %s/%s: %v", table.Name, chain.Name, err)
-	}
-
-	for _, rule := range rules {
-		if bytes.Equal(rule.UserData, []byte(userDataAcceptForwardRuleIif)) ||
-			bytes.Equal(rule.UserData, []byte(userDataAcceptForwardRuleOif)) ||
-			bytes.Equal(rule.UserData, []byte(userDataAcceptInputRule)) {
-			if err := r.conn.DelRule(rule); err != nil {
-				return fmt.Errorf("delete rule from %s/%s: %v", table.Name, chain.Name, err)
-			}
-		}
-	}
-	return nil
-}
-
-// removeExternalChainsRules removes our accept rules from all external chains.
-// This is deterministic - it scans for chains at removal time rather than relying on saved state,
-// ensuring cleanup works even after a crash or if chains changed.
-func (r *router) removeExternalChainsRules() error {
-	chains := r.findExternalChains()
-	if len(chains) == 0 {
-		return nil
-	}
-
-	for _, chain := range chains {
-		if err := r.removeAcceptRulesFromChain(chain.Table, chain); err != nil {
-			log.Warnf("remove rules from external chain %s/%s: %v", chain.Table.Name, chain.Name, err)
-		}
-	}
-
-	return r.conn.Flush()
-}
-
-// findExternalChains scans for chains from non-netbird tables that have FORWARD or INPUT hooks.
-// This is used both at startup (to know where to add rules) and at cleanup (to ensure deterministic removal).
-func (r *router) findExternalChains() []*nftables.Chain {
-	var chains []*nftables.Chain
-
-	families := []nftables.TableFamily{nftables.TableFamilyIPv4, nftables.TableFamilyINet}
-
-	for _, family := range families {
-		allChains, err := r.conn.ListChainsOfTableFamily(family)
+		rules, err := r.conn.GetRules(r.filterTable, chain)
 		if err != nil {
-			log.Debugf("list chains for family %d: %v", family, err)
-			continue
+			return fmt.Errorf("get rules: %v", err)
 		}

-		for _, chain := range allChains {
-			if r.isExternalChain(chain) {
-				chains = append(chains, chain)
+		for _, rule := range rules {
+			if bytes.Equal(rule.UserData, []byte(userDataAcceptForwardRuleIif)) ||
+				bytes.Equal(rule.UserData, []byte(userDataAcceptForwardRuleOif)) ||
+				bytes.Equal(rule.UserData, []byte(userDataAcceptInputRule)) {
+				if err := r.conn.DelRule(rule); err != nil {
+					return fmt.Errorf("delete rule: %v", err)
+				}
 			}
 		}
 	}

-	return chains
-}
-
-func (r *router) isExternalChain(chain *nftables.Chain) bool {
-	if r.workTable != nil && chain.Table.Name == r.workTable.Name {
-		return false
+	if err := r.conn.Flush(); err != nil {
+		return fmt.Errorf(flushError, err)
 	}

-	// Skip all iptables-managed tables in the ip family
-	if chain.Table.Family == nftables.TableFamilyIPv4 && isIptablesTable(chain.Table.Name) {
-		return false
-	}
-
-	if chain.Type != nftables.ChainTypeFilter {
-		return false
-	}
-
-	if chain.Hooknum == nil {
-		return false
-	}
-
-	return *chain.Hooknum == *nftables.ChainHookForward || *chain.Hooknum == *nftables.ChainHookInput
-}
-
-func isIptablesTable(name string) bool {
-	switch name {
-	case tableNameFilter, tableNat, tableMangle, tableRaw, tableSecurity:
-		return true
-	}
-	return false
+	return nil
 }

 func (r *router) removeAcceptFilterRulesIptables(ipt *iptables.IPTables) error {
@@ -1311,13 +1128,13 @@ func (r *router) removeAcceptFilterRulesIptables(ipt *iptables.IPTables) error {

 	for _, rule := range r.getAcceptForwardRules() {
 		if err := ipt.DeleteIfExists("filter", chainNameForward, rule...); err != nil {
-			merr = multierror.Append(merr, fmt.Errorf("remove iptables forward rule: %v", err))
+			merr = multierror.Append(err, fmt.Errorf("remove iptables forward rule: %v", err))
 		}
 	}

 	inputRule := r.getAcceptInputRule()
 	if err := ipt.DeleteIfExists("filter", chainNameInput, inputRule...); err != nil {
-		merr = multierror.Append(merr, fmt.Errorf("remove iptables input rule: %v", err))
+		merr = multierror.Append(err, fmt.Errorf("remove iptables input rule: %v", err))
 	}

 	return nberrors.FormatErrorOrNil(merr)
@@ -1379,7 +1196,7 @@ func (r *router) refreshRulesMap() error {
 	for _, chain := range r.chains {
 		rules, err := r.conn.GetRules(chain.Table, chain)
 		if err != nil {
-			return fmt.Errorf("list rules: %w", err)
+			return fmt.Errorf(" unable to list rules: %v", err)
 		}
 		for _, rule := range rules {
 			if len(rule.UserData) > 0 {
--- a/client/firewall/uspfilter/filter.go
+++ b/client/firewall/uspfilter/filter.go
@@ -29,7 +29,7 @@ import (
 )

 const (
-	layerTypeAll = 255
+	layerTypeAll = 0

 	// ipTCPHeaderMinSize represents minimum IP (20) + TCP (20) header size for MSS calculation
 	ipTCPHeaderMinSize = 40
@@ -262,7 +262,10 @@ func create(iface common.IFaceMapper, nativeFirewall firewall.Manager, disableSe
 }

 func (m *Manager) blockInvalidRouted(iface common.IFaceMapper) (firewall.Rule, error) {
-	wgPrefix := iface.Address().Network
+	wgPrefix, err := netip.ParsePrefix(iface.Address().Network.String())
+	if err != nil {
+		return nil, fmt.Errorf("parse wireguard network: %w", err)
+	}
 	log.Debugf("blocking invalid routed traffic for %s", wgPrefix)

 	rule, err := m.addRouteFiltering(
@@ -436,7 +439,19 @@ func (m *Manager) AddPeerFiltering(
 	r.sPort = sPort
 	r.dPort = dPort

-	r.protoLayer = protoToLayer(proto, r.ipLayer)
+	switch proto {
+	case firewall.ProtocolTCP:
+		r.protoLayer = layers.LayerTypeTCP
+	case firewall.ProtocolUDP:
+		r.protoLayer = layers.LayerTypeUDP
+	case firewall.ProtocolICMP:
+		r.protoLayer = layers.LayerTypeICMPv4
+		if r.ipLayer == layers.LayerTypeIPv6 {
+			r.protoLayer = layers.LayerTypeICMPv6
+		}
+	case firewall.ProtocolALL:
+		r.protoLayer = layerTypeAll
+	}

 	m.mutex.Lock()
 	var targetMap map[netip.Addr]RuleSet
@@ -481,17 +496,16 @@ func (m *Manager) addRouteFiltering(
 	}

 	ruleID := uuid.New().String()
-
 	rule := RouteRule{
 		// TODO: consolidate these IDs
-		id:         ruleID,
-		mgmtId:     id,
-		sources:    sources,
-		dstSet:     destination.Set,
-		protoLayer: protoToLayer(proto, layers.LayerTypeIPv4),
-		srcPort:    sPort,
-		dstPort:    dPort,
-		action:     action,
+		id:      ruleID,
+		mgmtId:  id,
+		sources: sources,
+		dstSet:  destination.Set,
+		proto:   proto,
+		srcPort: sPort,
+		dstPort: dPort,
+		action:  action,
 	}
 	if destination.IsPrefix() {
 		rule.destinations = []netip.Prefix{destination.Prefix}
@@ -781,7 +795,7 @@ func (m *Manager) recalculateTCPChecksum(packetData []byte, d *decoder, tcpHeade
 	pseudoSum += uint32(d.ip4.Protocol)
 	pseudoSum += uint32(tcpLength)

-	var sum = pseudoSum
+	var sum uint32 = pseudoSum
 	for i := 0; i < tcpLength-1; i += 2 {
 		sum += uint32(tcpLayer[i])<<8 | uint32(tcpLayer[i+1])
 	}
@@ -931,7 +945,7 @@ func (m *Manager) filterInbound(packetData []byte, size int) bool {
 func (m *Manager) handleLocalTraffic(d *decoder, srcIP, dstIP netip.Addr, packetData []byte, size int) bool {
 	ruleID, blocked := m.peerACLsBlock(srcIP, d, packetData)
 	if blocked {
-		pnum := getProtocolFromPacket(d)
+		_, pnum := getProtocolFromPacket(d)
 		srcPort, dstPort := getPortsFromPacket(d)

 		m.logger.Trace6("Dropping local packet (ACL denied): rule_id=%s proto=%v src=%s:%d dst=%s:%d",
@@ -996,22 +1010,20 @@ func (m *Manager) handleRoutedTraffic(d *decoder, srcIP, dstIP netip.Addr, packe
 		return false
 	}

-	protoLayer := d.decoded[1]
+	proto, pnum := getProtocolFromPacket(d)
 	srcPort, dstPort := getPortsFromPacket(d)

-	ruleID, pass := m.routeACLsPass(srcIP, dstIP, protoLayer, srcPort, dstPort)
+	ruleID, pass := m.routeACLsPass(srcIP, dstIP, proto, srcPort, dstPort)
 	if !pass {
-		proto := getProtocolFromPacket(d)
-
 		m.logger.Trace6("Dropping routed packet (ACL denied): rule_id=%s proto=%v src=%s:%d dst=%s:%d",
-			ruleID, proto, srcIP, srcPort, dstIP, dstPort)
+			ruleID, pnum, srcIP, srcPort, dstIP, dstPort)

 		m.flowLogger.StoreEvent(nftypes.EventFields{
 			FlowID:     uuid.New(),
 			Type:       nftypes.TypeDrop,
 			RuleID:     ruleID,
 			Direction:  nftypes.Ingress,
-			Protocol:   proto,
+			Protocol:   pnum,
 			SourceIP:   srcIP,
 			DestIP:     dstIP,
 			SourcePort: srcPort,
@@ -1040,33 +1052,16 @@ func (m *Manager) handleRoutedTraffic(d *decoder, srcIP, dstIP netip.Addr, packe
 	return true
 }

-func protoToLayer(proto firewall.Protocol, ipLayer gopacket.LayerType) gopacket.LayerType {
-	switch proto {
-	case firewall.ProtocolTCP:
-		return layers.LayerTypeTCP
-	case firewall.ProtocolUDP:
-		return layers.LayerTypeUDP
-	case firewall.ProtocolICMP:
-		if ipLayer == layers.LayerTypeIPv6 {
-			return layers.LayerTypeICMPv6
-		}
-		return layers.LayerTypeICMPv4
-	case firewall.ProtocolALL:
-		return layerTypeAll
-	}
-	return 0
-}
-
-func getProtocolFromPacket(d *decoder) nftypes.Protocol {
+func getProtocolFromPacket(d *decoder) (firewall.Protocol, nftypes.Protocol) {
 	switch d.decoded[1] {
 	case layers.LayerTypeTCP:
-		return nftypes.TCP
+		return firewall.ProtocolTCP, nftypes.TCP
 	case layers.LayerTypeUDP:
-		return nftypes.UDP
+		return firewall.ProtocolUDP, nftypes.UDP
 	case layers.LayerTypeICMPv4, layers.LayerTypeICMPv6:
-		return nftypes.ICMP
+		return firewall.ProtocolICMP, nftypes.ICMP
 	default:
-		return nftypes.ProtocolUnknown
+		return firewall.ProtocolALL, nftypes.ProtocolUnknown
 	}
 }

@@ -1238,30 +1233,19 @@ func validateRule(ip netip.Addr, packetData []byte, rules map[string]PeerRule, d
 }

 // routeACLsPass returns true if the packet is allowed by the route ACLs
-func (m *Manager) routeACLsPass(srcIP, dstIP netip.Addr, protoLayer gopacket.LayerType, srcPort, dstPort uint16) ([]byte, bool) {
+func (m *Manager) routeACLsPass(srcIP, dstIP netip.Addr, proto firewall.Protocol, srcPort, dstPort uint16) ([]byte, bool) {
 	m.mutex.RLock()
 	defer m.mutex.RUnlock()

 	for _, rule := range m.routeRules {
-		if matches := m.ruleMatches(rule, srcIP, dstIP, protoLayer, srcPort, dstPort); matches {
+		if matches := m.ruleMatches(rule, srcIP, dstIP, proto, srcPort, dstPort); matches {
 			return rule.mgmtId, rule.action == firewall.ActionAccept
 		}
 	}
 	return nil, false
 }

-func (m *Manager) ruleMatches(rule *RouteRule, srcAddr, dstAddr netip.Addr, protoLayer gopacket.LayerType, srcPort, dstPort uint16) bool {
-	// TODO: handle ipv6 vs ipv4 icmp rules
-	if rule.protoLayer != layerTypeAll && rule.protoLayer != protoLayer {
-		return false
-	}
-
-	if protoLayer == layers.LayerTypeTCP || protoLayer == layers.LayerTypeUDP {
-		if !portsMatch(rule.srcPort, srcPort) || !portsMatch(rule.dstPort, dstPort) {
-			return false
-		}
-	}
-
+func (m *Manager) ruleMatches(rule *RouteRule, srcAddr, dstAddr netip.Addr, proto firewall.Protocol, srcPort, dstPort uint16) bool {
 	destMatched := false
 	for _, dst := range rule.destinations {
 		if dst.Contains(dstAddr) {
@@ -1280,8 +1264,21 @@ func (m *Manager) ruleMatches(rule *RouteRule, srcAddr, dstAddr netip.Addr, prot
 			break
 		}
 	}
+	if !sourceMatched {
+		return false
+	}

-	return sourceMatched
+	if rule.proto != firewall.ProtocolALL && rule.proto != proto {
+		return false
+	}
+
+	if proto == firewall.ProtocolTCP || proto == firewall.ProtocolUDP {
+		if !portsMatch(rule.srcPort, srcPort) || !portsMatch(rule.dstPort, dstPort) {
+			return false
+		}
+	}
+
+	return true
 }

 // AddUDPPacketHook calls hook when UDP packet from given direction matched
--- a/client/firewall/uspfilter/filter_bench_test.go
+++ b/client/firewall/uspfilter/filter_bench_test.go
@@ -955,7 +955,7 @@ func BenchmarkRouteACLs(b *testing.B) {
 		for _, tc := range cases {
 			srcIP := netip.MustParseAddr(tc.srcIP)
 			dstIP := netip.MustParseAddr(tc.dstIP)
-			manager.routeACLsPass(srcIP, dstIP, protoToLayer(tc.proto, layers.LayerTypeIPv4), 0, tc.dstPort)
+			manager.routeACLsPass(srcIP, dstIP, tc.proto, 0, tc.dstPort)
 		}
 	}
 }
--- a/client/firewall/uspfilter/filter_filter_test.go
+++ b/client/firewall/uspfilter/filter_filter_test.go
@@ -1259,7 +1259,7 @@ func TestRouteACLFiltering(t *testing.T) {

 			// testing routeACLsPass only and not FilterInbound, as routed packets are dropped after being passed
 			// to the forwarder
-			_, isAllowed := manager.routeACLsPass(srcIP, dstIP, protoToLayer(tc.proto, layers.LayerTypeIPv4), tc.srcPort, tc.dstPort)
+			_, isAllowed := manager.routeACLsPass(srcIP, dstIP, tc.proto, tc.srcPort, tc.dstPort)
 			require.Equal(t, tc.shouldPass, isAllowed)
 		})
 	}
@@ -1445,7 +1445,7 @@ func TestRouteACLOrder(t *testing.T) {
 				srcIP := netip.MustParseAddr(p.srcIP)
 				dstIP := netip.MustParseAddr(p.dstIP)

-				_, isAllowed := manager.routeACLsPass(srcIP, dstIP, protoToLayer(p.proto, layers.LayerTypeIPv4), p.srcPort, p.dstPort)
+				_, isAllowed := manager.routeACLsPass(srcIP, dstIP, p.proto, p.srcPort, p.dstPort)
 				require.Equal(t, p.shouldPass, isAllowed, "packet %d failed", i)
 			}
 		})
@@ -1488,13 +1488,13 @@ func TestRouteACLSet(t *testing.T) {
 	dstIP := netip.MustParseAddr("192.168.1.100")

 	// Check that traffic is dropped (empty set shouldn't match anything)
-	_, isAllowed := manager.routeACLsPass(srcIP, dstIP, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
+	_, isAllowed := manager.routeACLsPass(srcIP, dstIP, fw.ProtocolTCP, 12345, 80)
 	require.False(t, isAllowed, "Empty set should not allow any traffic")

 	err = manager.UpdateSet(set, []netip.Prefix{netip.MustParsePrefix("192.168.1.0/24")})
 	require.NoError(t, err)

 	// Now the packet should be allowed
-	_, isAllowed = manager.routeACLsPass(srcIP, dstIP, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
+	_, isAllowed = manager.routeACLsPass(srcIP, dstIP, fw.ProtocolTCP, 12345, 80)
 	require.True(t, isAllowed, "After set update, traffic to the added network should be allowed")
 }
--- a/client/firewall/uspfilter/filter_test.go
+++ b/client/firewall/uspfilter/filter_test.go
@@ -767,9 +767,9 @@ func TestUpdateSetMerge(t *testing.T) {
 	dstIP2 := netip.MustParseAddr("192.168.1.100")
 	dstIP3 := netip.MustParseAddr("172.16.0.100")

-	_, isAllowed1 := manager.routeACLsPass(srcIP, dstIP1, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
-	_, isAllowed2 := manager.routeACLsPass(srcIP, dstIP2, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
-	_, isAllowed3 := manager.routeACLsPass(srcIP, dstIP3, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
+	_, isAllowed1 := manager.routeACLsPass(srcIP, dstIP1, fw.ProtocolTCP, 12345, 80)
+	_, isAllowed2 := manager.routeACLsPass(srcIP, dstIP2, fw.ProtocolTCP, 12345, 80)
+	_, isAllowed3 := manager.routeACLsPass(srcIP, dstIP3, fw.ProtocolTCP, 12345, 80)

 	require.True(t, isAllowed1, "Traffic to 10.0.0.100 should be allowed")
 	require.True(t, isAllowed2, "Traffic to 192.168.1.100 should be allowed")
@@ -784,8 +784,8 @@ func TestUpdateSetMerge(t *testing.T) {
 	require.NoError(t, err)

 	// Check that all original prefixes are still included
-	_, isAllowed1 = manager.routeACLsPass(srcIP, dstIP1, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
-	_, isAllowed2 = manager.routeACLsPass(srcIP, dstIP2, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
+	_, isAllowed1 = manager.routeACLsPass(srcIP, dstIP1, fw.ProtocolTCP, 12345, 80)
+	_, isAllowed2 = manager.routeACLsPass(srcIP, dstIP2, fw.ProtocolTCP, 12345, 80)
 	require.True(t, isAllowed1, "Traffic to 10.0.0.100 should still be allowed after update")
 	require.True(t, isAllowed2, "Traffic to 192.168.1.100 should still be allowed after update")

@@ -793,8 +793,8 @@ func TestUpdateSetMerge(t *testing.T) {
 	dstIP4 := netip.MustParseAddr("172.16.1.100")
 	dstIP5 := netip.MustParseAddr("10.1.0.50")

-	_, isAllowed4 := manager.routeACLsPass(srcIP, dstIP4, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
-	_, isAllowed5 := manager.routeACLsPass(srcIP, dstIP5, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
+	_, isAllowed4 := manager.routeACLsPass(srcIP, dstIP4, fw.ProtocolTCP, 12345, 80)
+	_, isAllowed5 := manager.routeACLsPass(srcIP, dstIP5, fw.ProtocolTCP, 12345, 80)

 	require.True(t, isAllowed4, "Traffic to new prefix 172.16.0.0/16 should be allowed")
 	require.True(t, isAllowed5, "Traffic to new prefix 10.1.0.0/24 should be allowed")
@@ -922,7 +922,7 @@ func TestUpdateSetDeduplication(t *testing.T) {

 	srcIP := netip.MustParseAddr("100.10.0.1")
 	for _, tc := range testCases {
-		_, isAllowed := manager.routeACLsPass(srcIP, tc.dstIP, protoToLayer(fw.ProtocolTCP, layers.LayerTypeIPv4), 12345, 80)
+		_, isAllowed := manager.routeACLsPass(srcIP, tc.dstIP, fw.ProtocolTCP, 12345, 80)
 		require.Equal(t, tc.expected, isAllowed, tc.desc)
 	}
 }
--- a/client/firewall/uspfilter/forwarder/endpoint.go
+++ b/client/firewall/uspfilter/forwarder/endpoint.go
@@ -2,7 +2,6 @@ package forwarder

 import (
 	"fmt"
-	"sync/atomic"

 	wgdevice "golang.zx2c4.com/wireguard/device"
 	"gvisor.dev/gvisor/pkg/tcpip"
@@ -17,7 +16,7 @@ type endpoint struct {
 	logger     *nblog.Logger
 	dispatcher stack.NetworkDispatcher
 	device     *wgdevice.Device
-	mtu        atomic.Uint32
+	mtu        uint32
 }

 func (e *endpoint) Attach(dispatcher stack.NetworkDispatcher) {
@@ -29,7 +28,7 @@ func (e *endpoint) IsAttached() bool {
 }

 func (e *endpoint) MTU() uint32 {
-	return e.mtu.Load()
+	return e.mtu
 }

 func (e *endpoint) Capabilities() stack.LinkEndpointCapabilities {
@@ -83,22 +82,6 @@ func (e *endpoint) ParseHeader(*stack.PacketBuffer) bool {
 	return true
 }

-func (e *endpoint) Close() {
-	// Endpoint cleanup - nothing to do as device is managed externally
-}
-
-func (e *endpoint) SetLinkAddress(tcpip.LinkAddress) {
-	// Link address is not used for this endpoint type
-}
-
-func (e *endpoint) SetMTU(mtu uint32) {
-	e.mtu.Store(mtu)
-}
-
-func (e *endpoint) SetOnCloseAction(func()) {
-	// No action needed on close
-}
-
 type epID stack.TransportEndpointID

 func (i epID) String() string {
--- a/client/firewall/uspfilter/forwarder/forwarder.go
+++ b/client/firewall/uspfilter/forwarder/forwarder.go
@@ -7,7 +7,6 @@ import (
 	"net/netip"
 	"runtime"
 	"sync"
-	"time"

 	log "github.com/sirupsen/logrus"
 	"gvisor.dev/gvisor/pkg/buffer"
@@ -36,16 +35,14 @@ type Forwarder struct {
 	logger     *nblog.Logger
 	flowLogger nftypes.FlowLogger
 	// ruleIdMap is used to store the rule ID for a given connection
-	ruleIdMap        sync.Map
-	stack            *stack.Stack
-	endpoint         *endpoint
-	udpForwarder     *udpForwarder
-	ctx              context.Context
-	cancel           context.CancelFunc
-	ip               tcpip.Address
-	netstack         bool
-	hasRawICMPAccess bool
-	pingSemaphore    chan struct{}
+	ruleIdMap    sync.Map
+	stack        *stack.Stack
+	endpoint     *endpoint
+	udpForwarder *udpForwarder
+	ctx          context.Context
+	cancel       context.CancelFunc
+	ip           tcpip.Address
+	netstack     bool
 }

 func New(iface common.IFaceMapper, logger *nblog.Logger, flowLogger nftypes.FlowLogger, netstack bool, mtu uint16) (*Forwarder, error) {
@@ -63,8 +60,8 @@ func New(iface common.IFaceMapper, logger *nblog.Logger, flowLogger nftypes.Flow
 	endpoint := &endpoint{
 		logger: logger,
 		device: iface.GetWGDevice(),
+		mtu:    uint32(mtu),
 	}
-	endpoint.mtu.Store(uint32(mtu))

 	if err := s.CreateNIC(nicID, endpoint); err != nil {
 		return nil, fmt.Errorf("create NIC: %v", err)
@@ -106,16 +103,15 @@ func New(iface common.IFaceMapper, logger *nblog.Logger, flowLogger nftypes.Flow

 	ctx, cancel := context.WithCancel(context.Background())
 	f := &Forwarder{
-		logger:        logger,
-		flowLogger:    flowLogger,
-		stack:         s,
-		endpoint:      endpoint,
-		udpForwarder:  newUDPForwarder(mtu, logger, flowLogger),
-		ctx:           ctx,
-		cancel:        cancel,
-		netstack:      netstack,
-		ip:            tcpip.AddrFromSlice(iface.Address().IP.AsSlice()),
-		pingSemaphore: make(chan struct{}, 3),
+		logger:       logger,
+		flowLogger:   flowLogger,
+		stack:        s,
+		endpoint:     endpoint,
+		udpForwarder: newUDPForwarder(mtu, logger, flowLogger),
+		ctx:          ctx,
+		cancel:       cancel,
+		netstack:     netstack,
+		ip:           tcpip.AddrFromSlice(iface.Address().IP.AsSlice()),
 	}

 	receiveWindow := defaultReceiveWindow
@@ -133,8 +129,6 @@ func New(iface common.IFaceMapper, logger *nblog.Logger, flowLogger nftypes.Flow

 	s.SetTransportProtocolHandler(icmp.ProtocolNumber4, f.handleICMP)

-	f.checkICMPCapability()
-
 	log.Debugf("forwarder: Initialization complete with NIC %d", nicID)
 	return f, nil
 }
@@ -204,24 +198,3 @@ func buildKey(srcIP, dstIP netip.Addr, srcPort, dstPort uint16) conntrack.ConnKe
 		DstPort: dstPort,
 	}
 }
-
-// checkICMPCapability tests whether we have raw ICMP socket access at startup.
-func (f *Forwarder) checkICMPCapability() {
-	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
-	defer cancel()
-
-	lc := net.ListenConfig{}
-	conn, err := lc.ListenPacket(ctx, "ip4:icmp", "0.0.0.0")
-	if err != nil {
-		f.hasRawICMPAccess = false
-		f.logger.Debug("forwarder: No raw ICMP socket access, will use ping binary fallback")
-		return
-	}
-
-	if err := conn.Close(); err != nil {
-		f.logger.Debug1("forwarder: Failed to close ICMP capability test socket: %v", err)
-	}
-
-	f.hasRawICMPAccess = true
-	f.logger.Debug("forwarder: Raw ICMP socket access available")
-}
--- a/client/firewall/uspfilter/forwarder/icmp.go
+++ b/client/firewall/uspfilter/forwarder/icmp.go
@@ -2,11 +2,8 @@ package forwarder

 import (
 	"context"
-	"fmt"
 	"net"
 	"net/netip"
-	"os/exec"
-	"runtime"
 	"time"

 	"github.com/google/uuid"
@@ -17,95 +14,30 @@ import (
 )

 // handleICMP handles ICMP packets from the network stack
-func (f *Forwarder) handleICMP(id stack.TransportEndpointID, pkt *stack.PacketBuffer) bool {
+func (f *Forwarder) handleICMP(id stack.TransportEndpointID, pkt stack.PacketBufferPtr) bool {
 	icmpHdr := header.ICMPv4(pkt.TransportHeader().View().AsSlice())
+	icmpType := uint8(icmpHdr.Type())
+	icmpCode := uint8(icmpHdr.Code())

-	flowID := uuid.New()
-	f.sendICMPEvent(nftypes.TypeStart, flowID, id, uint8(icmpHdr.Type()), uint8(icmpHdr.Code()), 0, 0)
-
-	// For Echo Requests, send and wait for response
-	if icmpHdr.Type() == header.ICMPv4Echo {
-		return f.handleICMPEcho(flowID, id, pkt, uint8(icmpHdr.Type()), uint8(icmpHdr.Code()))
-	}
-
-	// For other ICMP types (Time Exceeded, Destination Unreachable, etc), forward without waiting
-	if !f.hasRawICMPAccess {
-		f.logger.Debug2("forwarder: Cannot handle ICMP type %v without raw socket access for %v", icmpHdr.Type(), epID(id))
-		return false
-	}
-
-	icmpData := stack.PayloadSince(pkt.TransportHeader()).AsSlice()
-	conn, err := f.forwardICMPPacket(id, icmpData, uint8(icmpHdr.Type()), uint8(icmpHdr.Code()), 100*time.Millisecond)
-	if err != nil {
-		f.logger.Error2("forwarder: Failed to forward ICMP packet for %v: %v", epID(id), err)
+	if header.ICMPv4Type(icmpType) == header.ICMPv4EchoReply {
+		// dont process our own replies
 		return true
 	}
-	if err := conn.Close(); err != nil {
-		f.logger.Debug1("forwarder: Failed to close ICMP socket: %v", err)
-	}

-	return true
-}
+	flowID := uuid.New()
+	f.sendICMPEvent(nftypes.TypeStart, flowID, id, icmpType, icmpCode, 0, 0)

-// handleICMPEcho handles ICMP echo requests asynchronously with rate limiting.
-func (f *Forwarder) handleICMPEcho(flowID uuid.UUID, id stack.TransportEndpointID, pkt *stack.PacketBuffer, icmpType, icmpCode uint8) bool {
-	select {
-	case f.pingSemaphore <- struct{}{}:
-		icmpData := stack.PayloadSince(pkt.TransportHeader()).ToSlice()
-		rxBytes := pkt.Size()
-
-		go func() {
-			defer func() { <-f.pingSemaphore }()
-
-			if f.hasRawICMPAccess {
-				f.handleICMPViaSocket(flowID, id, icmpType, icmpCode, icmpData, rxBytes)
-			} else {
-				f.handleICMPViaPing(flowID, id, icmpType, icmpCode, icmpData, rxBytes)
-			}
-		}()
-	default:
-		f.logger.Debug3("forwarder: ICMP rate limit exceeded for %v type %v code %v",
-			epID(id), icmpType, icmpCode)
-	}
-	return true
-}
-
-// forwardICMPPacket creates a raw ICMP socket and sends the packet, returning the connection.
-// The caller is responsible for closing the returned connection.
-func (f *Forwarder) forwardICMPPacket(id stack.TransportEndpointID, payload []byte, icmpType, icmpCode uint8, timeout time.Duration) (net.PacketConn, error) {
-	ctx, cancel := context.WithTimeout(f.ctx, timeout)
+	ctx, cancel := context.WithTimeout(f.ctx, 5*time.Second)
 	defer cancel()

 	lc := net.ListenConfig{}
+	// TODO: support non-root
 	conn, err := lc.ListenPacket(ctx, "ip4:icmp", "0.0.0.0")
 	if err != nil {
-		return nil, fmt.Errorf("create ICMP socket: %w", err)
-	}
+		f.logger.Error2("forwarder: Failed to create ICMP socket for %v: %v", epID(id), err)

-	dstIP := f.determineDialAddr(id.LocalAddress)
-	dst := &net.IPAddr{IP: dstIP}
-
-	if _, err = conn.WriteTo(payload, dst); err != nil {
-		if closeErr := conn.Close(); closeErr != nil {
-			f.logger.Debug1("forwarder: Failed to close ICMP socket: %v", closeErr)
-		}
-		return nil, fmt.Errorf("write ICMP packet: %w", err)
-	}
-
-	f.logger.Trace3("forwarder: Forwarded ICMP packet %v type %v code %v",
-		epID(id), icmpType, icmpCode)
-
-	return conn, nil
-}
-
-// handleICMPViaSocket handles ICMP echo requests using raw sockets.
-func (f *Forwarder) handleICMPViaSocket(flowID uuid.UUID, id stack.TransportEndpointID, icmpType, icmpCode uint8, icmpData []byte, rxBytes int) {
-	sendTime := time.Now()
-
-	conn, err := f.forwardICMPPacket(id, icmpData, icmpType, icmpCode, 5*time.Second)
-	if err != nil {
-		f.logger.Error2("forwarder: Failed to send ICMP packet for %v: %v", epID(id), err)
-		return
+		// This will make netstack reply on behalf of the original destination, that's ok for now
+		return false
 	}
 	defer func() {
 		if err := conn.Close(); err != nil {
@@ -113,22 +45,38 @@ func (f *Forwarder) handleICMPViaSocket(flowID uuid.UUID, id stack.TransportEndp
 		}
 	}()

-	txBytes := f.handleEchoResponse(conn, id)
-	rtt := time.Since(sendTime).Round(10 * time.Microsecond)
+	dstIP := f.determineDialAddr(id.LocalAddress)
+	dst := &net.IPAddr{IP: dstIP}

-	f.logger.Trace4("forwarder: Forwarded ICMP echo reply %v type %v code %v (rtt=%v, raw socket)",
-		epID(id), icmpType, icmpCode, rtt)
+	fullPacket := stack.PayloadSince(pkt.TransportHeader())
+	payload := fullPacket.AsSlice()

-	f.sendICMPEvent(nftypes.TypeEnd, flowID, id, icmpType, icmpCode, uint64(rxBytes), uint64(txBytes))
+	if _, err = conn.WriteTo(payload, dst); err != nil {
+		f.logger.Error2("forwarder: Failed to write ICMP packet for %v: %v", epID(id), err)
+		return true
+	}
+
+	f.logger.Trace3("forwarder: Forwarded ICMP packet %v type %v code %v",
+		epID(id), icmpHdr.Type(), icmpHdr.Code())
+
+	// For Echo Requests, send and handle response
+	if header.ICMPv4Type(icmpType) == header.ICMPv4Echo {
+		rxBytes := pkt.Size()
+		txBytes := f.handleEchoResponse(icmpHdr, conn, id)
+		f.sendICMPEvent(nftypes.TypeEnd, flowID, id, icmpType, icmpCode, uint64(rxBytes), uint64(txBytes))
+	}
+
+	// For other ICMP types (Time Exceeded, Destination Unreachable, etc) do nothing
+	return true
 }

-func (f *Forwarder) handleEchoResponse(conn net.PacketConn, id stack.TransportEndpointID) int {
+func (f *Forwarder) handleEchoResponse(icmpHdr header.ICMPv4, conn net.PacketConn, id stack.TransportEndpointID) int {
 	if err := conn.SetReadDeadline(time.Now().Add(5 * time.Second)); err != nil {
 		f.logger.Error1("forwarder: Failed to set read deadline for ICMP response: %v", err)
 		return 0
 	}

-	response := make([]byte, f.endpoint.mtu.Load())
+	response := make([]byte, f.endpoint.mtu)
 	n, _, err := conn.ReadFrom(response)
 	if err != nil {
 		if !isTimeout(err) {
@@ -137,7 +85,31 @@ func (f *Forwarder) handleEchoResponse(conn net.PacketConn, id stack.TransportEn
 		return 0
 	}

-	return f.injectICMPReply(id, response[:n])
+	ipHdr := make([]byte, header.IPv4MinimumSize)
+	ip := header.IPv4(ipHdr)
+	ip.Encode(&header.IPv4Fields{
+		TotalLength: uint16(header.IPv4MinimumSize + n),
+		TTL:         64,
+		Protocol:    uint8(header.ICMPv4ProtocolNumber),
+		SrcAddr:     id.LocalAddress,
+		DstAddr:     id.RemoteAddress,
+	})
+	ip.SetChecksum(^ip.CalculateChecksum())
+
+	fullPacket := make([]byte, 0, len(ipHdr)+n)
+	fullPacket = append(fullPacket, ipHdr...)
+	fullPacket = append(fullPacket, response[:n]...)
+
+	if err := f.InjectIncomingPacket(fullPacket); err != nil {
+		f.logger.Error1("forwarder: Failed to inject ICMP response: %v", err)
+
+		return 0
+	}
+
+	f.logger.Trace3("forwarder: Forwarded ICMP echo reply for %v type %v code %v",
+		epID(id), icmpHdr.Type(), icmpHdr.Code())
+
+	return len(fullPacket)
 }

 // sendICMPEvent stores flow events for ICMP packets
@@ -180,95 +152,3 @@ func (f *Forwarder) sendICMPEvent(typ nftypes.Type, flowID uuid.UUID, id stack.T

 	f.flowLogger.StoreEvent(fields)
 }
-
-// handleICMPViaPing handles ICMP echo requests by executing the system ping binary.
-// This is used as a fallback when raw socket access is not available.
-func (f *Forwarder) handleICMPViaPing(flowID uuid.UUID, id stack.TransportEndpointID, icmpType, icmpCode uint8, icmpData []byte, rxBytes int) {
-	ctx, cancel := context.WithTimeout(f.ctx, 5*time.Second)
-	defer cancel()
-
-	dstIP := f.determineDialAddr(id.LocalAddress)
-	cmd := buildPingCommand(ctx, dstIP, 5*time.Second)
-
-	pingStart := time.Now()
-	if err := cmd.Run(); err != nil {
-		f.logger.Warn4("forwarder: Ping binary failed for %v type %v code %v: %v", epID(id),
-			icmpType, icmpCode, err)
-		return
-	}
-	rtt := time.Since(pingStart).Round(10 * time.Microsecond)
-
-	f.logger.Trace3("forwarder: Forwarded ICMP echo request %v type %v code %v",
-		epID(id), icmpType, icmpCode)
-
-	txBytes := f.synthesizeEchoReply(id, icmpData)
-
-	f.logger.Trace4("forwarder: Forwarded ICMP echo reply %v type %v code %v (rtt=%v, ping binary)",
-		epID(id), icmpType, icmpCode, rtt)
-
-	f.sendICMPEvent(nftypes.TypeEnd, flowID, id, icmpType, icmpCode, uint64(rxBytes), uint64(txBytes))
-}
-
-// buildPingCommand creates a platform-specific ping command.
-func buildPingCommand(ctx context.Context, target net.IP, timeout time.Duration) *exec.Cmd {
-	timeoutSec := int(timeout.Seconds())
-	if timeoutSec < 1 {
-		timeoutSec = 1
-	}
-
-	switch runtime.GOOS {
-	case "linux", "android":
-		return exec.CommandContext(ctx, "ping", "-c", "1", "-W", fmt.Sprintf("%d", timeoutSec), "-q", target.String())
-	case "darwin", "ios":
-		return exec.CommandContext(ctx, "ping", "-c", "1", "-t", fmt.Sprintf("%d", timeoutSec), "-q", target.String())
-	case "freebsd":
-		return exec.CommandContext(ctx, "ping", "-c", "1", "-t", fmt.Sprintf("%d", timeoutSec), target.String())
-	case "openbsd", "netbsd":
-		return exec.CommandContext(ctx, "ping", "-c", "1", "-w", fmt.Sprintf("%d", timeoutSec), target.String())
-	case "windows":
-		return exec.CommandContext(ctx, "ping", "-n", "1", "-w", fmt.Sprintf("%d", timeoutSec*1000), target.String())
-	default:
-		return exec.CommandContext(ctx, "ping", "-c", "1", target.String())
-	}
-}
-
-// synthesizeEchoReply creates an ICMP echo reply from raw ICMP data and injects it back into the network stack.
-// Returns the size of the injected packet.
-func (f *Forwarder) synthesizeEchoReply(id stack.TransportEndpointID, icmpData []byte) int {
-	replyICMP := make([]byte, len(icmpData))
-	copy(replyICMP, icmpData)
-
-	replyICMPHdr := header.ICMPv4(replyICMP)
-	replyICMPHdr.SetType(header.ICMPv4EchoReply)
-	replyICMPHdr.SetChecksum(0)
-	replyICMPHdr.SetChecksum(header.ICMPv4Checksum(replyICMPHdr, 0))
-
-	return f.injectICMPReply(id, replyICMP)
-}
-
-// injectICMPReply wraps an ICMP payload in an IP header and injects it into the network stack.
-// Returns the total size of the injected packet, or 0 if injection failed.
-func (f *Forwarder) injectICMPReply(id stack.TransportEndpointID, icmpPayload []byte) int {
-	ipHdr := make([]byte, header.IPv4MinimumSize)
-	ip := header.IPv4(ipHdr)
-	ip.Encode(&header.IPv4Fields{
-		TotalLength: uint16(header.IPv4MinimumSize + len(icmpPayload)),
-		TTL:         64,
-		Protocol:    uint8(header.ICMPv4ProtocolNumber),
-		SrcAddr:     id.LocalAddress,
-		DstAddr:     id.RemoteAddress,
-	})
-	ip.SetChecksum(^ip.CalculateChecksum())
-
-	fullPacket := make([]byte, 0, len(ipHdr)+len(icmpPayload))
-	fullPacket = append(fullPacket, ipHdr...)
-	fullPacket = append(fullPacket, icmpPayload...)
-
-	// Bypass netstack and send directly to peer to avoid looping through our ICMP handler
-	if err := f.endpoint.device.CreateOutboundPacket(fullPacket, id.RemoteAddress.AsSlice()); err != nil {
-		f.logger.Error1("forwarder: Failed to send ICMP reply to peer: %v", err)
-		return 0
-	}
-
-	return len(fullPacket)
-}
--- a/client/firewall/uspfilter/forwarder/udp.go
+++ b/client/firewall/uspfilter/forwarder/udp.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io"
 	"net"
 	"net/netip"
 	"sync"
@@ -132,10 +131,10 @@ func (f *udpForwarder) cleanup() {
 }

 // handleUDP is called by the UDP forwarder for new packets
-func (f *Forwarder) handleUDP(r *udp.ForwarderRequest) bool {
+func (f *Forwarder) handleUDP(r *udp.ForwarderRequest) {
 	if f.ctx.Err() != nil {
 		f.logger.Trace("forwarder: context done, dropping UDP packet")
-		return false
+		return
 	}

 	id := r.ID()
@@ -145,7 +144,7 @@ func (f *Forwarder) handleUDP(r *udp.ForwarderRequest) bool {
 	f.udpForwarder.RUnlock()
 	if exists {
 		f.logger.Trace1("forwarder: existing UDP connection for %v", epID(id))
-		return true
+		return
 	}

 	flowID := uuid.New()
@@ -163,7 +162,7 @@ func (f *Forwarder) handleUDP(r *udp.ForwarderRequest) bool {
 	if err != nil {
 		f.logger.Debug2("forwarder: UDP dial error for %v: %v", epID(id), err)
 		// TODO: Send ICMP error message
-		return false
+		return
 	}

 	// Create wait queue for blocking syscalls
@@ -174,10 +173,10 @@ func (f *Forwarder) handleUDP(r *udp.ForwarderRequest) bool {
 		if err := outConn.Close(); err != nil {
 			f.logger.Debug2("forwarder: UDP outConn close error for %v: %v", epID(id), err)
 		}
-		return false
+		return
 	}

-	inConn := gonet.NewUDPConn(&wq, ep)
+	inConn := gonet.NewUDPConn(f.stack, &wq, ep)
 	connCtx, connCancel := context.WithCancel(f.ctx)

 	pConn := &udpPacketConn{
@@ -200,7 +199,7 @@ func (f *Forwarder) handleUDP(r *udp.ForwarderRequest) bool {
 		if err := outConn.Close(); err != nil {
 			f.logger.Debug2("forwarder: UDP outConn close error for %v: %v", epID(id), err)
 		}
-		return true
+		return
 	}
 	f.udpForwarder.conns[id] = pConn
 	f.udpForwarder.Unlock()
@@ -209,7 +208,6 @@ func (f *Forwarder) handleUDP(r *udp.ForwarderRequest) bool {
 	f.logger.Trace1("forwarder: established UDP connection %v", epID(id))

 	go f.proxyUDP(connCtx, pConn, id, ep)
-	return true
 }

 func (f *Forwarder) proxyUDP(ctx context.Context, pConn *udpPacketConn, id stack.TransportEndpointID, ep tcpip.Endpoint) {
@@ -350,7 +348,7 @@ func (c *udpPacketConn) copy(ctx context.Context, dst net.Conn, src net.Conn, bu
 }

 func isClosedError(err error) bool {
-	return errors.Is(err, net.ErrClosed) || errors.Is(err, context.Canceled) || errors.Is(err, io.EOF)
+	return errors.Is(err, net.ErrClosed) || errors.Is(err, context.Canceled)
 }

 func isTimeout(err error) bool {
--- a/client/firewall/uspfilter/localip.go
+++ b/client/firewall/uspfilter/localip.go
@@ -130,7 +130,6 @@ func (m *localIPManager) UpdateLocalIPs(iface common.IFaceMapper) (err error) {
 	// 127.0.0.0/8
 	newIPv4Bitmap[127] = &ipv4LowBitmap{}
 	for i := 0; i < 8192; i++ {
-		// #nosec G602 -- bitmap is defined as [8192]uint32, loop range is correct
 		newIPv4Bitmap[127].bitmap[i] = 0xFFFFFFFF
 	}

--- a/client/firewall/uspfilter/localip_test.go
+++ b/client/firewall/uspfilter/localip_test.go
@@ -218,7 +218,7 @@ func BenchmarkIPChecks(b *testing.B) {
 		b.ResetTimer()
 		for i := 0; i < b.N; i++ {
 			// nolint:gosimple
-			_ = mapManager.localIPs[ip.String()]
+			_, _ = mapManager.localIPs[ip.String()]
 		}
 	})

@@ -227,7 +227,7 @@ func BenchmarkIPChecks(b *testing.B) {
 		b.ResetTimer()
 		for i := 0; i < b.N; i++ {
 			// nolint:gosimple
-			_ = mapManager.localIPs[ip.String()]
+			_, _ = mapManager.localIPs[ip.String()]
 		}
 	})
 }
--- a/client/firewall/uspfilter/log/log.go
+++ b/client/firewall/uspfilter/log/log.go
@@ -168,15 +168,6 @@ func (l *Logger) Warn3(format string, arg1, arg2, arg3 any) {
 	}
 }

-func (l *Logger) Warn4(format string, arg1, arg2, arg3, arg4 any) {
-	if l.level.Load() >= uint32(LevelWarn) {
-		select {
-		case l.msgChannel <- logMessage{level: LevelWarn, format: format, arg1: arg1, arg2: arg2, arg3: arg3, arg4: arg4}:
-		default:
-		}
-	}
-}
-
 func (l *Logger) Debug1(format string, arg1 any) {
 	if l.level.Load() >= uint32(LevelDebug) {
 		select {
--- a/client/firewall/uspfilter/nat_test.go
+++ b/client/firewall/uspfilter/nat_test.go
@@ -234,10 +234,9 @@ func TestInboundPortDNATNegative(t *testing.T) {
 			require.False(t, translated, "Packet should NOT be translated for %s", tc.name)

 			d = parsePacket(t, packet)
-			switch tc.protocol {
-			case layers.IPProtocolTCP:
+			if tc.protocol == layers.IPProtocolTCP {
 				require.Equal(t, tc.dstPort, uint16(d.tcp.DstPort), "Port should remain unchanged")
-			case layers.IPProtocolUDP:
+			} else if tc.protocol == layers.IPProtocolUDP {
 				require.Equal(t, tc.dstPort, uint16(d.udp.DstPort), "Port should remain unchanged")
 			}
 		})
--- a/client/firewall/uspfilter/rule.go
+++ b/client/firewall/uspfilter/rule.go
@@ -34,7 +34,7 @@ type RouteRule struct {
 	sources      []netip.Prefix
 	dstSet       firewall.Set
 	destinations []netip.Prefix
-	protoLayer   gopacket.LayerType
+	proto        firewall.Protocol
 	srcPort      *firewall.Port
 	dstPort      *firewall.Port
 	action       firewall.Action
--- a/client/firewall/uspfilter/tracer.go
+++ b/client/firewall/uspfilter/tracer.go
@@ -379,9 +379,9 @@ func (m *Manager) handleNativeRouter(trace *PacketTrace) *PacketTrace {
 }

 func (m *Manager) handleRouteACLs(trace *PacketTrace, d *decoder, srcIP, dstIP netip.Addr) *PacketTrace {
-	protoLayer := d.decoded[1]
+	proto, _ := getProtocolFromPacket(d)
 	srcPort, dstPort := getPortsFromPacket(d)
-	id, allowed := m.routeACLsPass(srcIP, dstIP, protoLayer, srcPort, dstPort)
+	id, allowed := m.routeACLsPass(srcIP, dstIP, proto, srcPort, dstPort)

 	strId := string(id)
 	if id == nil {
--- a/client/iface/bind/ice_bind.go
+++ b/client/iface/bind/ice_bind.go
@@ -27,23 +27,8 @@ type receiverCreator struct {
 	iceBind *ICEBind
 }

-func (rc receiverCreator) CreateReceiverFn(pc wgConn.BatchReader, conn *net.UDPConn, rxOffload bool, msgPool *sync.Pool) wgConn.ReceiveFunc {
-	if ipv4PC, ok := pc.(*ipv4.PacketConn); ok {
-		return rc.iceBind.createIPv4ReceiverFn(ipv4PC, conn, rxOffload, msgPool)
-	}
-	// IPv6 is currently not supported in the udpmux, this is a stub for compatibility with the
-	// wireguard-go ReceiverCreator interface which is called for both IPv4 and IPv6.
-	return func(bufs [][]byte, sizes []int, eps []wgConn.Endpoint) (n int, err error) {
-		buf := bufs[0]
-		size, ep, err := conn.ReadFromUDPAddrPort(buf)
-		if err != nil {
-			return 0, err
-		}
-		sizes[0] = size
-		stdEp := &wgConn.StdNetEndpoint{AddrPort: ep}
-		eps[0] = stdEp
-		return 1, nil
-	}
+func (rc receiverCreator) CreateIPv4ReceiverFn(pc *ipv4.PacketConn, conn *net.UDPConn, rxOffload bool, msgPool *sync.Pool) wgConn.ReceiveFunc {
+	return rc.iceBind.createIPv4ReceiverFn(pc, conn, rxOffload, msgPool)
 }

 // ICEBind is a bind implementation with two main features:
--- a/client/iface/device/device_android.go
+++ b/client/iface/device/device_android.go
@@ -3,7 +3,6 @@
 package device

 import (
-	"fmt"
 	"strings"

 	log "github.com/sirupsen/logrus"
@@ -20,12 +19,11 @@ import (

 // WGTunDevice ignore the WGTunDevice interface on Android because the creation of the tun device is different on this platform
 type WGTunDevice struct {
-	address wgaddr.Address
-	port    int
-	key     string
-	mtu     uint16
-	iceBind *bind.ICEBind
-	// todo: review if we can eliminate the TunAdapter
+	address    wgaddr.Address
+	port       int
+	key        string
+	mtu        uint16
+	iceBind    *bind.ICEBind
 	tunAdapter TunAdapter
 	disableDNS bool

@@ -34,19 +32,17 @@ type WGTunDevice struct {
 	filteredDevice *FilteredDevice
 	udpMux         *udpmux.UniversalUDPMuxDefault
 	configurer     WGConfigurer
-	renewableTun   *RenewableTUN
 }

 func NewTunDevice(address wgaddr.Address, port int, key string, mtu uint16, iceBind *bind.ICEBind, tunAdapter TunAdapter, disableDNS bool) *WGTunDevice {
 	return &WGTunDevice{
-		address:      address,
-		port:         port,
-		key:          key,
-		mtu:          mtu,
-		iceBind:      iceBind,
-		tunAdapter:   tunAdapter,
-		disableDNS:   disableDNS,
-		renewableTun: NewRenewableTUN(),
+		address:    address,
+		port:       port,
+		key:        key,
+		mtu:        mtu,
+		iceBind:    iceBind,
+		tunAdapter: tunAdapter,
+		disableDNS: disableDNS,
 	}
 }

@@ -69,17 +65,14 @@ func (t *WGTunDevice) Create(routes []string, dns string, searchDomains []string
 		return nil, err
 	}

-	unmonitoredTUN, name, err := tun.CreateUnmonitoredTUNFromFD(fd)
+	tunDevice, name, err := tun.CreateUnmonitoredTUNFromFD(fd)
 	if err != nil {
 		_ = unix.Close(fd)
 		log.Errorf("failed to create Android interface: %s", err)
 		return nil, err
 	}
-
-	t.renewableTun.AddDevice(unmonitoredTUN)
-
 	t.name = name
-	t.filteredDevice = newDeviceFilter(t.renewableTun)
+	t.filteredDevice = newDeviceFilter(tunDevice)

 	log.Debugf("attaching to interface %v", name)
 	t.device = device.NewDevice(t.filteredDevice, t.iceBind, device.NewLogger(wgLogLevel(), "[netbird] "))
@@ -111,23 +104,6 @@ func (t *WGTunDevice) Up() (*udpmux.UniversalUDPMuxDefault, error) {
 	return udpMux, nil
 }

-func (t *WGTunDevice) RenewTun(fd int) error {
-	if t.device == nil {
-		return fmt.Errorf("device not initialized")
-	}
-
-	unmonitoredTUN, _, err := tun.CreateUnmonitoredTUNFromFD(fd)
-	if err != nil {
-		_ = unix.Close(fd)
-		log.Errorf("failed to renew Android interface: %s", err)
-		return err
-	}
-
-	t.renewableTun.AddDevice(unmonitoredTUN)
-
-	return nil
-}
-
 func (t *WGTunDevice) UpdateAddr(addr wgaddr.Address) error {
 	// todo implement
 	return nil
--- a/client/iface/device/device_ios.go
+++ b/client/iface/device/device_ios.go
@@ -1,7 +1,9 @@
+//go:build ios
+// +build ios
+
 package device

 import (
-	"fmt"
 	"os"

 	log "github.com/sirupsen/logrus"
@@ -43,31 +45,10 @@ func NewTunDevice(name string, address wgaddr.Address, port int, key string, mtu
 	}
 }

-// ErrInvalidTunnelFD is returned when the tunnel file descriptor is invalid (0).
-// This typically means the Swift code couldn't find the utun control socket.
-var ErrInvalidTunnelFD = fmt.Errorf("invalid tunnel file descriptor: fd is 0 (Swift failed to locate utun socket)")
-
 func (t *TunDevice) Create() (WGConfigurer, error) {
 	log.Infof("create tun interface")

-	var tunDevice tun.Device
-	var err error
-
-	// Validate the tunnel file descriptor.
-	// On iOS/tvOS, the FD must be provided by the NEPacketTunnelProvider.
-	// A value of 0 means the Swift code couldn't find the utun control socket
-	// (the low-level APIs like ctl_info, sockaddr_ctl may not be exposed in
-	// tvOS SDK headers). This is a hard error - there's no viable fallback
-	// since tun.CreateTUN() cannot work within the iOS/tvOS sandbox.
-	if t.tunFd == 0 {
-		log.Errorf("Tunnel file descriptor is 0 - Swift code failed to locate the utun control socket. " +
-			"On tvOS, ensure the NEPacketTunnelProvider is properly configured and the tunnel is started.")
-		return nil, ErrInvalidTunnelFD
-	}
-
-	// Normal iOS/tvOS path: use the provided file descriptor from NEPacketTunnelProvider
-	var dupTunFd int
-	dupTunFd, err = unix.Dup(t.tunFd)
+	dupTunFd, err := unix.Dup(t.tunFd)
 	if err != nil {
 		log.Errorf("Unable to dup tun fd: %v", err)
 		return nil, err
@@ -79,7 +60,7 @@ func (t *TunDevice) Create() (WGConfigurer, error) {
 		_ = unix.Close(dupTunFd)
 		return nil, err
 	}
-	tunDevice, err = tun.CreateTUNFromFile(os.NewFile(uintptr(dupTunFd), "/dev/tun"), 0)
+	tunDevice, err := tun.CreateTUNFromFile(os.NewFile(uintptr(dupTunFd), "/dev/tun"), 0)
 	if err != nil {
 		log.Errorf("Unable to create new tun device from fd: %v", err)
 		_ = unix.Close(dupTunFd)
--- a/client/iface/device/device_netstack_android.go
+++ b/client/iface/device/device_netstack_android.go
@@ -2,13 +2,6 @@

 package device

-import "fmt"
-
 func (t *TunNetstackDevice) Create(routes []string, dns string, searchDomains []string) (WGConfigurer, error) {
 	return t.create()
 }
-
-func (t *TunNetstackDevice) RenewTun(fd int) error {
-	// Doesn't make sense in Android for Netstack.
-	return fmt.Errorf("this function has not been implemented in Netstack for Android")
-}
--- a/client/iface/device/renewable_tun.go
+++ b/client/iface/device/renewable_tun.go
@@ -1,309 +0,0 @@
-//go:build android
-
-package device
-
-import (
-	"io"
-	"os"
-	"sync"
-	"sync/atomic"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-	"golang.zx2c4.com/wireguard/tun"
-)
-
-// closeAwareDevice wraps a tun.Device along with a flag
-// indicating whether its Close method was called.
-//
-// It also redirects tun.Device's Events() to a separate goroutine
-// and closes it when Close is called.
-//
-// The WaitGroup and CloseOnce fields are used to ensure that the
-// goroutine is awaited and closed only once.
-type closeAwareDevice struct {
-	isClosed atomic.Bool
-	tun.Device
-	closeEventCh chan struct{}
-	wg           sync.WaitGroup
-	closeOnce    sync.Once
-}
-
-func newClosableDevice(tunDevice tun.Device) *closeAwareDevice {
-	return &closeAwareDevice{
-		Device:       tunDevice,
-		isClosed:     atomic.Bool{},
-		closeEventCh: make(chan struct{}),
-	}
-}
-
-// redirectEvents redirects the Events() method of the underlying tun.Device
-// to the given channel (RenewableTUN's events channel).
-func (c *closeAwareDevice) redirectEvents(out chan tun.Event) {
-	c.wg.Add(1)
-	go func() {
-		defer c.wg.Done()
-		for {
-			select {
-			case ev, ok := <-c.Device.Events():
-				if !ok {
-					return
-				}
-
-				if ev == tun.EventDown {
-					continue
-				}
-
-				select {
-				case out <- ev:
-				case <-c.closeEventCh:
-					return
-				}
-			case <-c.closeEventCh:
-				return
-			}
-		}
-	}()
-}
-
-// Close calls the underlying Device's Close method
-// after setting isClosed to true.
-func (c *closeAwareDevice) Close() (err error) {
-	c.closeOnce.Do(func() {
-		c.isClosed.Store(true)
-		close(c.closeEventCh)
-		err = c.Device.Close()
-		c.wg.Wait()
-	})
-
-	return err
-}
-
-func (c *closeAwareDevice) IsClosed() bool {
-	return c.isClosed.Load()
-}
-
-type RenewableTUN struct {
-	devices []*closeAwareDevice
-	mu      sync.Mutex
-	cond    *sync.Cond
-	events  chan tun.Event
-	closed  atomic.Bool
-}
-
-func NewRenewableTUN() *RenewableTUN {
-	r := &RenewableTUN{
-		devices: make([]*closeAwareDevice, 0),
-		mu:      sync.Mutex{},
-		events:  make(chan tun.Event, 16),
-	}
-	r.cond = sync.NewCond(&r.mu)
-	return r
-}
-
-func (r *RenewableTUN) File() *os.File {
-	for {
-		dev := r.peekLast()
-		if dev == nil {
-			if !r.waitForDevice() {
-				return nil
-			}
-			continue
-		}
-
-		file := dev.File()
-
-		if dev.IsClosed() {
-			time.Sleep(1 * time.Millisecond)
-			continue
-		}
-
-		return file
-	}
-}
-
-// Read reads from an underlying tun.Device kept in the r.devices slice.
-// If no device is available, it waits for one to be added via AddDevice().
-//
-// On error, it retries reading from the newest device instead of returning the error
-// if the device is closed; if not, it propagates the error.
-func (r *RenewableTUN) Read(bufs [][]byte, sizes []int, offset int) (n int, err error) {
-	for {
-		dev := r.peekLast()
-		if dev == nil {
-			// wait until AddDevice() signals a new device via cond.Broadcast()
-			if !r.waitForDevice() { // returns false if the renewable TUN itself is closed
-				return 0, io.EOF
-			}
-			continue
-		}
-
-		n, err = dev.Read(bufs, sizes, offset)
-		if err == nil {
-			return n, nil
-		}
-
-		// swap in progress; retry on the newest instead of returning the error
-		if dev.IsClosed() {
-			time.Sleep(1 * time.Millisecond)
-			continue
-		}
-		return n, err // propagate non-swap error
-	}
-}
-
-// Write writes to underlying tun.Device kept in the r.devices slice.
-// If no device is available, it waits for one to be added via AddDevice().
-//
-// On error, it retries writing to the newest device instead of returning the error
-// if the device is closed; if not, it propagates the error.
-func (r *RenewableTUN) Write(bufs [][]byte, offset int) (int, error) {
-	for {
-		dev := r.peekLast()
-		if dev == nil {
-			if !r.waitForDevice() {
-				return 0, io.EOF
-			}
-			continue
-		}
-
-		n, err := dev.Write(bufs, offset)
-		if err == nil {
-			return n, nil
-		}
-
-		if dev.IsClosed() {
-			time.Sleep(1 * time.Millisecond)
-			continue
-		}
-
-		return n, err
-	}
-}
-
-func (r *RenewableTUN) MTU() (int, error) {
-	for {
-		dev := r.peekLast()
-		if dev == nil {
-			if !r.waitForDevice() {
-				return 0, io.EOF
-			}
-			continue
-		}
-		mtu, err := dev.MTU()
-		if err == nil {
-			return mtu, nil
-		}
-		if dev.IsClosed() {
-			time.Sleep(1 * time.Millisecond)
-			continue
-		}
-		return 0, err
-	}
-}
-
-func (r *RenewableTUN) Name() (string, error) {
-	for {
-		dev := r.peekLast()
-		if dev == nil {
-			if !r.waitForDevice() {
-				return "", io.EOF
-			}
-			continue
-		}
-		name, err := dev.Name()
-		if err == nil {
-			return name, nil
-		}
-		if dev.IsClosed() {
-			time.Sleep(1 * time.Millisecond)
-			continue
-		}
-		return "", err
-	}
-}
-
-// Events returns a channel that is fed events from the underlying tun.Device's events channel
-// once it is added.
-func (r *RenewableTUN) Events() <-chan tun.Event {
-	return r.events
-}
-
-func (r *RenewableTUN) Close() error {
-	// Attempts to set the RenewableTUN closed flag to true.
-	// If it's already true, returns immediately.
-	if !r.closed.CompareAndSwap(false, true) {
-		return nil // already closed: idempotent
-	}
-	r.mu.Lock()
-	devices := r.devices
-	r.devices = nil
-	r.cond.Broadcast()
-	r.mu.Unlock()
-
-	var lastErr error
-
-	log.Debugf("closing %d devices", len(devices))
-	for _, device := range devices {
-		if err := device.Close(); err != nil {
-			log.Debugf("error closing a device: %v", err)
-			lastErr = err
-		}
-	}
-
-	close(r.events)
-	return lastErr
-}
-
-func (r *RenewableTUN) BatchSize() int {
-	return 1
-}
-
-func (r *RenewableTUN) AddDevice(device tun.Device) {
-	r.mu.Lock()
-	if r.closed.Load() {
-		r.mu.Unlock()
-		_ = device.Close()
-		return
-	}
-
-	var toClose *closeAwareDevice
-	if len(r.devices) > 0 {
-		toClose = r.devices[len(r.devices)-1]
-	}
-
-	cad := newClosableDevice(device)
-	cad.redirectEvents(r.events)
-
-	r.devices = []*closeAwareDevice{cad}
-	r.cond.Broadcast()
-
-	r.mu.Unlock()
-
-	if toClose != nil {
-		if err := toClose.Close(); err != nil {
-			log.Debugf("error closing last device: %v", err)
-		}
-	}
-}
-
-func (r *RenewableTUN) waitForDevice() bool {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	for len(r.devices) == 0 && !r.closed.Load() {
-		r.cond.Wait()
-	}
-	return !r.closed.Load()
-}
-
-func (r *RenewableTUN) peekLast() *closeAwareDevice {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-
-	if len(r.devices) == 0 {
-		return nil
-	}
-
-	return r.devices[len(r.devices)-1]
-}
--- a/client/iface/device_android.go
+++ b/client/iface/device_android.go
@@ -21,6 +21,5 @@ type WGTunDevice interface {
 	FilteredDevice() *device.FilteredDevice
 	Device() *wgdevice.Device
 	GetNet() *netstack.Net
-	RenewTun(fd int) error
 	GetICEBind() device.EndpointManager
 }
--- a/client/iface/iface_create.go
+++ b/client/iface/iface_create.go
@@ -24,7 +24,3 @@ func (w *WGIface) Create() error {
 func (w *WGIface) CreateOnAndroid([]string, string, []string) error {
 	return fmt.Errorf("this function has not implemented on non mobile")
 }
-
-func (w *WGIface) RenewTun(fd int) error {
-	return fmt.Errorf("this function has not been implemented on non-android")
-}
--- a/client/iface/iface_create_android.go
+++ b/client/iface/iface_create_android.go
@@ -6,7 +6,6 @@ import (

 // CreateOnAndroid creates a new Wireguard interface, sets a given IP and brings it up.
 // Will reuse an existing one.
-// todo: review does this function really necessary or can we merge it with iOS
 func (w *WGIface) CreateOnAndroid(routes []string, dns string, searchDomains []string) error {
 	w.mu.Lock()
 	defer w.mu.Unlock()
@@ -23,9 +22,3 @@ func (w *WGIface) CreateOnAndroid(routes []string, dns string, searchDomains []s
 func (w *WGIface) Create() error {
 	return fmt.Errorf("this function has not implemented on this platform")
 }
-
-func (w *WGIface) RenewTun(fd int) error {
-	w.mu.Lock()
-	defer w.mu.Unlock()
-	return w.tun.RenewTun(fd)
-}
--- a/client/iface/iface_create_darwin.go
+++ b/client/iface/iface_create_darwin.go
@@ -39,7 +39,3 @@ func (w *WGIface) Create() error {
 func (w *WGIface) CreateOnAndroid([]string, string, []string) error {
 	return fmt.Errorf("this function has not implemented on this platform")
 }
-
-func (w *WGIface) RenewTun(fd int) error {
-	return fmt.Errorf("this function has not been implemented on this platform")
-}
--- a/client/iface/netstack/dialer.go
+++ b/client/iface/netstack/dialer.go
@@ -23,10 +23,10 @@ func NewNSDialer(net *netstack.Net) *NSDialer {
 }

 func (d *NSDialer) Dial(ctx context.Context, network, addr string) (net.Conn, error) {
-	log.Infof("NSDialer.Dial: network=%s, addr=%s", network, addr)
+	log.Debugf("dialing %s %s", network, addr)
 	conn, err := d.net.Dial(network, addr)
 	if err != nil {
-		log.Warnf("NSDialer.Dial failed: %s", err)
+		log.Debugf("failed to deal connection: %s", err)
 	}
 	return conn, err
 }
--- a/client/iface/wgproxy/factory_kernel.go
+++ b/client/iface/wgproxy/factory_kernel.go
@@ -3,19 +3,12 @@
 package wgproxy

 import (
-	"os"
-	"strconv"
-
 	log "github.com/sirupsen/logrus"

 	"github.com/netbirdio/netbird/client/iface/wgproxy/ebpf"
 	udpProxy "github.com/netbirdio/netbird/client/iface/wgproxy/udp"
 )

-const (
-	envDisableEBPFWGProxy = "NB_DISABLE_EBPF_WG_PROXY"
-)
-
 type KernelFactory struct {
 	wgPort int
 	mtu    uint16
@@ -29,12 +22,6 @@ func NewKernelFactory(wgPort int, mtu uint16) *KernelFactory {
 		mtu:    mtu,
 	}

-	if isEBPFDisabled() {
-		log.Infof("WireGuard Proxy Factory will produce UDP proxy")
-		log.Infof("eBPF WireGuard proxy is disabled via %s environment variable", envDisableEBPFWGProxy)
-		return f
-	}
-
 	ebpfProxy := ebpf.NewWGEBPFProxy(wgPort, mtu)
 	if err := ebpfProxy.Listen(); err != nil {
 		log.Infof("WireGuard Proxy Factory will produce UDP proxy")
@@ -60,16 +47,3 @@ func (w *KernelFactory) Free() error {
 	}
 	return w.ebpfProxy.Free()
 }
-
-func isEBPFDisabled() bool {
-	val := os.Getenv(envDisableEBPFWGProxy)
-	if val == "" {
-		return false
-	}
-	disabled, err := strconv.ParseBool(val)
-	if err != nil {
-		log.Warnf("failed to parse %s: %v", envDisableEBPFWGProxy, err)
-		return false
-	}
-	return disabled
-}
--- a/client/internal/auth/oauth.go
+++ b/client/internal/auth/oauth.go
@@ -60,19 +60,14 @@ func (t TokenInfo) GetTokenToUse() string {
 	return t.AccessToken
 }

-func shouldUseDeviceFlow(force bool, isUnixDesktopClient bool) bool {
-	return force || (runtime.GOOS == "linux" || runtime.GOOS == "freebsd") && !isUnixDesktopClient
-}
-
 // NewOAuthFlow initializes and returns the appropriate OAuth flow based on the management configuration
 //
 // It starts by initializing the PKCE.If this process fails, it resorts to the Device Code Flow,
 // and if that also fails, the authentication process is deemed unsuccessful
 //
 // On Linux distros without desktop environment support, it only tries to initialize the Device Code Flow
-// forceDeviceCodeFlow can be used to skip PKCE and go directly to Device Code Flow (e.g., for Android TV)
-func NewOAuthFlow(ctx context.Context, config *profilemanager.Config, isUnixDesktopClient bool, forceDeviceCodeFlow bool, hint string) (OAuthFlow, error) {
-	if shouldUseDeviceFlow(forceDeviceCodeFlow, isUnixDesktopClient) {
+func NewOAuthFlow(ctx context.Context, config *profilemanager.Config, isUnixDesktopClient bool, hint string) (OAuthFlow, error) {
+	if (runtime.GOOS == "linux" || runtime.GOOS == "freebsd") && !isUnixDesktopClient {
 		return authenticateWithDeviceCodeFlow(ctx, config, hint)
 	}

--- a/client/internal/auth/pkce_flow.go
+++ b/client/internal/auth/pkce_flow.go
@@ -13,7 +13,6 @@ import (
 	"net"
 	"net/http"
 	"net/url"
-	"strconv"
 	"strings"
 	"time"

@@ -22,7 +21,6 @@ import (

 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/templates"
-	"github.com/netbirdio/netbird/shared/management/client/common"
 )

 var _ OAuthFlow = &PKCEAuthorizationFlow{}
@@ -48,10 +46,9 @@ type PKCEAuthorizationFlow struct {
 func NewPKCEAuthorizationFlow(config internal.PKCEAuthProviderConfig) (*PKCEAuthorizationFlow, error) {
 	var availableRedirectURL string

-	excludedRanges := getSystemExcludedPortRanges()
-
+	// find the first available redirect URL
 	for _, redirectURL := range config.RedirectURLs {
-		if !isRedirectURLPortUsed(redirectURL, excludedRanges) {
+		if !isRedirectURLPortUsed(redirectURL) {
 			availableRedirectURL = redirectURL
 			break
 		}
@@ -105,10 +102,10 @@ func (p *PKCEAuthorizationFlow) RequestAuthInfo(ctx context.Context) (AuthFlowIn
 		oauth2.SetAuthURLParam("audience", p.providerConfig.Audience),
 	}
 	if !p.providerConfig.DisablePromptLogin {
-		switch p.providerConfig.LoginFlag {
-		case common.LoginFlagPromptLogin:
+		if p.providerConfig.LoginFlag.IsPromptLogin() {
 			params = append(params, oauth2.SetAuthURLParam("prompt", "login"))
-		case common.LoginFlagMaxAge0:
+		}
+		if p.providerConfig.LoginFlag.IsMaxAge0Login() {
 			params = append(params, oauth2.SetAuthURLParam("max_age", "0"))
 		}
 	}
@@ -285,22 +282,15 @@ func createCodeChallenge(codeVerifier string) string {
 	return base64.RawURLEncoding.EncodeToString(sha2[:])
 }

-// isRedirectURLPortUsed checks if the port used in the redirect URL is in use or excluded on Windows.
-func isRedirectURLPortUsed(redirectURL string, excludedRanges []excludedPortRange) bool {
+// isRedirectURLPortUsed checks if the port used in the redirect URL is in use.
+func isRedirectURLPortUsed(redirectURL string) bool {
 	parsedURL, err := url.Parse(redirectURL)
 	if err != nil {
 		log.Errorf("failed to parse redirect URL: %v", err)
 		return true
 	}

-	port := parsedURL.Port()
-
-	if isPortInExcludedRange(port, excludedRanges) {
-		log.Warnf("port %s is in Windows excluded port range, skipping", port)
-		return true
-	}
-
-	addr := fmt.Sprintf(":%s", port)
+	addr := fmt.Sprintf(":%s", parsedURL.Port())
 	conn, err := net.DialTimeout("tcp", addr, 3*time.Second)
 	if err != nil {
 		return false
@@ -314,33 +304,6 @@ func isRedirectURLPortUsed(redirectURL string, excludedRanges []excludedPortRang
 	return true
 }

-// excludedPortRange represents a range of excluded ports.
-type excludedPortRange struct {
-	start int
-	end   int
-}
-
-// isPortInExcludedRange checks if the given port is in any of the excluded ranges.
-func isPortInExcludedRange(port string, excludedRanges []excludedPortRange) bool {
-	if len(excludedRanges) == 0 {
-		return false
-	}
-
-	portNum, err := strconv.Atoi(port)
-	if err != nil {
-		log.Debugf("invalid port number %s: %v", port, err)
-		return false
-	}
-
-	for _, r := range excludedRanges {
-		if portNum >= r.start && portNum <= r.end {
-			return true
-		}
-	}
-
-	return false
-}
-
 func renderPKCEFlowTmpl(w http.ResponseWriter, authError error) {
 	tmpl, err := template.New("pkce-auth-flow").Parse(templates.PKCEAuthMsgTmpl)
 	if err != nil {
--- a/client/internal/auth/pkce_flow_other.go
+++ b/client/internal/auth/pkce_flow_other.go
@@ -1,8 +0,0 @@
-//go:build !windows
-
-package auth
-
-// getSystemExcludedPortRanges returns nil on non-Windows platforms.
-func getSystemExcludedPortRanges() []excludedPortRange {
-	return nil
-}
--- a/client/internal/auth/pkce_flow_test.go
+++ b/client/internal/auth/pkce_flow_test.go
@@ -2,11 +2,8 @@ package auth

 import (
 	"context"
-	"fmt"
-	"net"
 	"testing"

-	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"

 	"github.com/netbirdio/netbird/client/internal"
@@ -23,28 +20,22 @@ func TestPromptLogin(t *testing.T) {
 		name               string
 		loginFlag          mgm.LoginFlag
 		disablePromptLogin bool
-		expectContains     []string
+		expect             string
 	}{
 		{
-			name:           "Prompt login",
-			loginFlag:      mgm.LoginFlagPromptLogin,
-			expectContains: []string{promptLogin},
+			name:      "Prompt login",
+			loginFlag: mgm.LoginFlagPrompt,
+			expect:    promptLogin,
 		},
 		{
-			name:           "Max age 0",
-			loginFlag:      mgm.LoginFlagMaxAge0,
-			expectContains: []string{maxAge0},
+			name:      "Max age 0 login",
+			loginFlag: mgm.LoginFlagMaxAge0,
+			expect:    maxAge0,
 		},
 		{
 			name:               "Disable prompt login",
-			loginFlag:          mgm.LoginFlagPromptLogin,
+			loginFlag:          mgm.LoginFlagPrompt,
 			disablePromptLogin: true,
-			expectContains:     []string{},
-		},
-		{
-			name:           "None flag should not add parameters",
-			loginFlag:      mgm.LoginFlagNone,
-			expectContains: []string{},
 		},
 	}

@@ -59,7 +50,6 @@ func TestPromptLogin(t *testing.T) {
 				RedirectURLs:          []string{"http://127.0.0.1:33992/"},
 				UseIDToken:            true,
 				LoginFlag:             tc.loginFlag,
-				DisablePromptLogin:    tc.disablePromptLogin,
 			}
 			pkce, err := NewPKCEAuthorizationFlow(config)
 			if err != nil {
@@ -70,153 +60,12 @@ func TestPromptLogin(t *testing.T) {
 				t.Fatalf("Failed to request auth info: %v", err)
 			}

-			for _, expected := range tc.expectContains {
-				require.Contains(t, authInfo.VerificationURIComplete, expected)
+			if !tc.disablePromptLogin {
+				require.Contains(t, authInfo.VerificationURIComplete, tc.expect)
+			} else {
+				require.Contains(t, authInfo.VerificationURIComplete, promptLogin)
+				require.NotContains(t, authInfo.VerificationURIComplete, maxAge0)
 			}
 		})
 	}
 }
-
-func TestIsPortInExcludedRange(t *testing.T) {
-	tests := []struct {
-		name            string
-		port            string
-		excludedRanges  []excludedPortRange
-		expectedBlocked bool
-	}{
-		{
-			name:            "Port in excluded range",
-			port:            "8080",
-			excludedRanges:  []excludedPortRange{{start: 8000, end: 8100}},
-			expectedBlocked: true,
-		},
-		{
-			name:            "Port at start of range",
-			port:            "8000",
-			excludedRanges:  []excludedPortRange{{start: 8000, end: 8100}},
-			expectedBlocked: true,
-		},
-		{
-			name:            "Port at end of range",
-			port:            "8100",
-			excludedRanges:  []excludedPortRange{{start: 8000, end: 8100}},
-			expectedBlocked: true,
-		},
-		{
-			name:            "Port before range",
-			port:            "7999",
-			excludedRanges:  []excludedPortRange{{start: 8000, end: 8100}},
-			expectedBlocked: false,
-		},
-		{
-			name:            "Port after range",
-			port:            "8101",
-			excludedRanges:  []excludedPortRange{{start: 8000, end: 8100}},
-			expectedBlocked: false,
-		},
-		{
-			name:            "Empty excluded ranges",
-			port:            "8080",
-			excludedRanges:  []excludedPortRange{},
-			expectedBlocked: false,
-		},
-		{
-			name:            "Nil excluded ranges",
-			port:            "8080",
-			excludedRanges:  nil,
-			expectedBlocked: false,
-		},
-		{
-			name: "Multiple ranges - port in second range",
-			port: "9050",
-			excludedRanges: []excludedPortRange{
-				{start: 8000, end: 8100},
-				{start: 9000, end: 9100},
-			},
-			expectedBlocked: true,
-		},
-		{
-			name: "Multiple ranges - port not in any range",
-			port: "8500",
-			excludedRanges: []excludedPortRange{
-				{start: 8000, end: 8100},
-				{start: 9000, end: 9100},
-			},
-			expectedBlocked: false,
-		},
-		{
-			name:            "Invalid port string",
-			port:            "invalid",
-			excludedRanges:  []excludedPortRange{{start: 8000, end: 8100}},
-			expectedBlocked: false,
-		},
-		{
-			name:            "Empty port string",
-			port:            "",
-			excludedRanges:  []excludedPortRange{{start: 8000, end: 8100}},
-			expectedBlocked: false,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result := isPortInExcludedRange(tt.port, tt.excludedRanges)
-			assert.Equal(t, tt.expectedBlocked, result, "Port exclusion check mismatch")
-		})
-	}
-}
-
-func TestIsRedirectURLPortUsed(t *testing.T) {
-	listener, err := net.Listen("tcp", "127.0.0.1:0")
-	require.NoError(t, err)
-	defer func() {
-		_ = listener.Close()
-	}()
-
-	usedPort := listener.Addr().(*net.TCPAddr).Port
-
-	tests := []struct {
-		name           string
-		redirectURL    string
-		excludedRanges []excludedPortRange
-		expectedUsed   bool
-	}{
-		{
-			name:           "Port in excluded range",
-			redirectURL:    "http://127.0.0.1:8080/",
-			excludedRanges: []excludedPortRange{{start: 8000, end: 8100}},
-			expectedUsed:   true,
-		},
-		{
-			name:           "Port actually in use",
-			redirectURL:    fmt.Sprintf("http://127.0.0.1:%d/", usedPort),
-			excludedRanges: nil,
-			expectedUsed:   true,
-		},
-		{
-			name:           "Port not in use and not excluded",
-			redirectURL:    "http://127.0.0.1:65432/",
-			excludedRanges: nil,
-			expectedUsed:   false,
-		},
-		{
-			name:           "Invalid URL without port",
-			redirectURL:    "not-a-valid-url",
-			excludedRanges: nil,
-			expectedUsed:   false,
-		},
-		{
-			name:           "Port excluded even if not in use",
-			redirectURL:    "http://127.0.0.1:8050/",
-			excludedRanges: []excludedPortRange{{start: 8000, end: 8100}},
-			expectedUsed:   true,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result := isRedirectURLPortUsed(tt.redirectURL, tt.excludedRanges)
-			assert.Equal(t, tt.expectedUsed, result, "Port usage check mismatch")
-		})
-	}
-}
--- a/client/internal/auth/pkce_flow_windows.go
+++ b/client/internal/auth/pkce_flow_windows.go
@@ -1,86 +0,0 @@
-//go:build windows
-
-package auth
-
-import (
-	"bufio"
-	"fmt"
-	"os/exec"
-	"strconv"
-	"strings"
-
-	log "github.com/sirupsen/logrus"
-)
-
-// getSystemExcludedPortRanges retrieves the excluded port ranges from Windows using netsh.
-func getSystemExcludedPortRanges() []excludedPortRange {
-	ranges, err := getExcludedPortRangesFromNetsh()
-	if err != nil {
-		log.Debugf("failed to get Windows excluded port ranges: %v", err)
-		return nil
-	}
-
-	return ranges
-}
-
-// getExcludedPortRangesFromNetsh retrieves excluded port ranges using netsh command.
-func getExcludedPortRangesFromNetsh() ([]excludedPortRange, error) {
-	cmd := exec.Command("netsh", "interface", "ipv4", "show", "excludedportrange", "protocol=tcp")
-	output, err := cmd.Output()
-	if err != nil {
-		return nil, fmt.Errorf("netsh command: %w", err)
-	}
-
-	return parseExcludedPortRanges(string(output))
-}
-
-// parseExcludedPortRanges parses the output of the netsh command to extract port ranges.
-func parseExcludedPortRanges(output string) ([]excludedPortRange, error) {
-	var ranges []excludedPortRange
-	scanner := bufio.NewScanner(strings.NewReader(output))
-
-	foundHeader := false
-	for scanner.Scan() {
-		line := strings.TrimSpace(scanner.Text())
-
-		if strings.Contains(line, "Start Port") && strings.Contains(line, "End Port") {
-			foundHeader = true
-			continue
-		}
-
-		if !foundHeader {
-			continue
-		}
-
-		if strings.Contains(line, "----------") {
-			continue
-		}
-
-		if line == "" {
-			continue
-		}
-
-		fields := strings.Fields(line)
-		if len(fields) < 2 {
-			continue
-		}
-
-		startPort, err := strconv.Atoi(fields[0])
-		if err != nil {
-			continue
-		}
-
-		endPort, err := strconv.Atoi(fields[1])
-		if err != nil {
-			continue
-		}
-
-		ranges = append(ranges, excludedPortRange{start: startPort, end: endPort})
-	}
-
-	if err := scanner.Err(); err != nil {
-		return nil, fmt.Errorf("scan output: %w", err)
-	}
-
-	return ranges, nil
-}
--- a/client/internal/auth/pkce_flow_windows_test.go
+++ b/client/internal/auth/pkce_flow_windows_test.go
@@ -1,116 +0,0 @@
-//go:build windows
-
-package auth
-
-import (
-	"fmt"
-	"net"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
-	"github.com/netbirdio/netbird/client/internal"
-)
-
-func TestParseExcludedPortRanges(t *testing.T) {
-	tests := []struct {
-		name           string
-		netshOutput    string
-		expectedRanges []excludedPortRange
-		expectError    bool
-	}{
-		{
-			name: "Valid netsh output with multiple ranges",
-			netshOutput: `
-Protocol tcp Dynamic Port Range
---------------------------------
-Start Port      : 49152
-Number of Ports : 16384
-
-Protocol tcp Excluded Port Ranges
---------------------------------
-Start Port    End Port
----------    --------
-     5357        5357      *
-    50000       50059      *
-`,
-			expectedRanges: []excludedPortRange{
-				{start: 5357, end: 5357},
-				{start: 50000, end: 50059},
-			},
-			expectError: false,
-		},
-		{
-			name: "Empty output",
-			netshOutput: `
-Protocol tcp Dynamic Port Range
---------------------------------
-Start Port      : 49152
-Number of Ports : 16384
-`,
-			expectedRanges: nil,
-			expectError:    false,
-		},
-		{
-			name: "Single range",
-			netshOutput: `
-Protocol tcp Excluded Port Ranges
---------------------------------
-Start Port    End Port
----------    --------
-     8080        8090
-`,
-			expectedRanges: []excludedPortRange{
-				{start: 8080, end: 8090},
-			},
-			expectError: false,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			ranges, err := parseExcludedPortRanges(tt.netshOutput)
-
-			if tt.expectError {
-				assert.Error(t, err)
-			} else {
-				require.NoError(t, err)
-				assert.Equal(t, tt.expectedRanges, ranges)
-			}
-		})
-	}
-}
-
-func TestNewPKCEAuthorizationFlow_WithActualExcludedPorts(t *testing.T) {
-	ranges := getSystemExcludedPortRanges()
-	t.Logf("Found %d excluded port ranges on this system", len(ranges))
-
-	listener1, err := net.Listen("tcp", "127.0.0.1:0")
-	require.NoError(t, err)
-	defer func() {
-		_ = listener1.Close()
-	}()
-	usedPort1 := listener1.Addr().(*net.TCPAddr).Port
-
-	availablePort := 65432
-
-	config := internal.PKCEAuthProviderConfig{
-		ClientID:              "test-client-id",
-		Audience:              "test-audience",
-		TokenEndpoint:         "https://test-token-endpoint.com/token",
-		Scope:                 "openid email profile",
-		AuthorizationEndpoint: "https://test-auth-endpoint.com/authorize",
-		RedirectURLs: []string{
-			fmt.Sprintf("http://127.0.0.1:%d/", usedPort1),
-			fmt.Sprintf("http://127.0.0.1:%d/", availablePort),
-		},
-		UseIDToken: true,
-	}
-
-	flow, err := NewPKCEAuthorizationFlow(config)
-	require.NoError(t, err)
-	require.NotNil(t, flow)
-	assert.Contains(t, flow.oAuthConfig.RedirectURL, fmt.Sprintf(":%d", availablePort),
-		"Should skip port in use and select available port")
-}
--- a/client/internal/connect.go
+++ b/client/internal/connect.go
@@ -24,14 +24,10 @@ import (
 	"github.com/netbirdio/netbird/client/internal/listener"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/internal/statemanager"
 	"github.com/netbirdio/netbird/client/internal/stdnet"
-	"github.com/netbirdio/netbird/client/internal/updatemanager"
-	"github.com/netbirdio/netbird/client/internal/updatemanager/installer"
 	nbnet "github.com/netbirdio/netbird/client/net"
 	cProto "github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/client/ssh"
-	sshconfig "github.com/netbirdio/netbird/client/ssh/config"
 	"github.com/netbirdio/netbird/client/system"
 	mgm "github.com/netbirdio/netbird/shared/management/client"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
@@ -43,13 +39,11 @@ import (
 )

 type ConnectClient struct {
-	ctx                 context.Context
-	config              *profilemanager.Config
-	statusRecorder      *peer.Status
-	doInitialAutoUpdate bool
-
-	engine      *Engine
-	engineMutex sync.Mutex
+	ctx            context.Context
+	config         *profilemanager.Config
+	statusRecorder *peer.Status
+	engine         *Engine
+	engineMutex    sync.Mutex

 	persistSyncResponse bool
 }
@@ -58,15 +52,13 @@ func NewConnectClient(
 	ctx context.Context,
 	config *profilemanager.Config,
 	statusRecorder *peer.Status,
-	doInitalAutoUpdate bool,

 ) *ConnectClient {
 	return &ConnectClient{
-		ctx:                 ctx,
-		config:              config,
-		statusRecorder:      statusRecorder,
-		doInitialAutoUpdate: doInitalAutoUpdate,
-		engineMutex:         sync.Mutex{},
+		ctx:            ctx,
+		config:         config,
+		statusRecorder: statusRecorder,
+		engineMutex:    sync.Mutex{},
 	}
 }

@@ -82,7 +74,6 @@ func (c *ConnectClient) RunOnAndroid(
 	networkChangeListener listener.NetworkChangeListener,
 	dnsAddresses []netip.AddrPort,
 	dnsReadyListener dns.ReadyListener,
-	stateFilePath string,
 ) error {
 	// in case of non Android os these variables will be nil
 	mobileDependency := MobileDependency{
@@ -91,7 +82,6 @@ func (c *ConnectClient) RunOnAndroid(
 		NetworkChangeListener: networkChangeListener,
 		HostDNSAddresses:      dnsAddresses,
 		DnsReadyListener:      dnsReadyListener,
-		StateFilePath:         stateFilePath,
 	}
 	return c.run(mobileDependency, nil)
 }
@@ -170,33 +160,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		return err
 	}

-	var path string
-	if runtime.GOOS == "ios" || runtime.GOOS == "android" {
-		// On mobile, use the provided state file path directly
-		if !fileExists(mobileDependency.StateFilePath) {
-			if err := createFile(mobileDependency.StateFilePath); err != nil {
-				log.Errorf("failed to create state file: %v", err)
-				// we are not exiting as we can run without the state manager
-			}
-		}
-		path = mobileDependency.StateFilePath
-	} else {
-		sm := profilemanager.NewServiceManager("")
-		path = sm.GetStatePath()
-	}
-	stateManager := statemanager.New(path)
-	stateManager.RegisterState(&sshconfig.ShutdownState{})
-
-	updateManager, err := updatemanager.NewManager(c.statusRecorder, stateManager)
-	if err == nil {
-		updateManager.CheckUpdateSuccess(c.ctx)
-
-		inst := installer.New()
-		if err := inst.CleanUpInstallerFiles(); err != nil {
-			log.Errorf("failed to clean up temporary installer file: %v", err)
-		}
-	}
-
 	defer c.statusRecorder.ClientStop()
 	operation := func() error {
 		// if context cancelled we not start new backoff cycle
@@ -308,25 +271,15 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		checks := loginResp.GetChecks()

 		c.engineMutex.Lock()
-		engine := NewEngine(engineCtx, cancel, signalClient, mgmClient, relayManager, engineConfig, mobileDependency, c.statusRecorder, checks, stateManager)
-		engine.SetSyncResponsePersistence(c.persistSyncResponse)
-		c.engine = engine
+		c.engine = NewEngine(engineCtx, cancel, signalClient, mgmClient, relayManager, engineConfig, mobileDependency, c.statusRecorder, checks)
+		c.engine.SetSyncResponsePersistence(c.persistSyncResponse)
 		c.engineMutex.Unlock()

-		if err := engine.Start(loginResp.GetNetbirdConfig(), c.config.ManagementURL); err != nil {
+		if err := c.engine.Start(loginResp.GetNetbirdConfig(), c.config.ManagementURL); err != nil {
 			log.Errorf("error while starting Netbird Connection Engine: %s", err)
 			return wrapErr(err)
 		}

-		if loginResp.PeerConfig != nil && loginResp.PeerConfig.AutoUpdate != nil {
-			// AutoUpdate will be true when the user click on "Connect" menu on the UI
-			if c.doInitialAutoUpdate {
-				log.Infof("start engine by ui, run auto-update check")
-				c.engine.InitialUpdateHandling(loginResp.PeerConfig.AutoUpdate)
-				c.doInitialAutoUpdate = false
-			}
-		}
-
 		log.Infof("Netbird engine started, the IP is: %s", peerConfig.GetAddress())
 		state.Set(StatusConnected)

@@ -338,14 +291,12 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		<-engineCtx.Done()

 		c.engineMutex.Lock()
+		engine := c.engine
 		c.engine = nil
 		c.engineMutex.Unlock()

-		// todo: consider to remove this condition. Is not thread safe.
-		// We should always call Stop(), but we need to verify that it is idempotent
-		if engine.wgInterface != nil {
+		if engine != nil && engine.wgInterface != nil {
 			log.Infof("ensuring %s is removed, Netbird engine context cancelled", engine.wgInterface.Name())
-
 			if err := engine.Stop(); err != nil {
 				log.Errorf("Failed to stop engine: %v", err)
 			}
@@ -420,19 +371,6 @@ func (c *ConnectClient) GetLatestSyncResponse() (*mgmProto.SyncResponse, error)
 	return syncResponse, nil
 }

-// SetLogLevel sets the log level for the firewall manager if the engine is running.
-func (c *ConnectClient) SetLogLevel(level log.Level) {
-	engine := c.Engine()
-	if engine == nil {
-		return
-	}
-
-	fwManager := engine.GetFirewallManager()
-	if fwManager != nil {
-		fwManager.SetLogLevel(level)
-	}
-}
-
 // Status returns the current client status
 func (c *ConnectClient) Status() StatusType {
 	if c == nil {
--- a/client/internal/debug/debug.go
+++ b/client/internal/debug/debug.go
@@ -27,7 +27,6 @@ import (
 	"github.com/netbirdio/netbird/client/anonymize"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/internal/updatemanager/installer"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
 	"github.com/netbirdio/netbird/util"
 )
@@ -57,7 +56,6 @@ block.prof: Block profiling information.
 heap.prof: Heap profiling information (snapshot of memory allocations).
 allocs.prof: Allocations profiling information.
 threadcreate.prof: Thread creation profiling information.
-stack_trace.txt: Complete stack traces of all goroutines at the time of bundle creation.


 Anonymization Process
@@ -111,9 +109,6 @@ go tool pprof -http=:8088 heap.prof

 This will open a web browser tab with the profiling information.

-Stack Trace
-The stack_trace.txt file contains a complete snapshot of all goroutine stack traces at the time the debug bundle was created.
-
 Routes
 The routes.txt file contains detailed routing table information in a tabular format:

@@ -332,10 +327,6 @@ func (g *BundleGenerator) createArchive() error {
 		log.Errorf("failed to add profiles to debug bundle: %v", err)
 	}

-	if err := g.addStackTrace(); err != nil {
-		log.Errorf("failed to add stack trace to debug bundle: %v", err)
-	}
-
 	if err := g.addSyncResponse(); err != nil {
 		return fmt.Errorf("add sync response: %w", err)
 	}
@@ -363,10 +354,6 @@ func (g *BundleGenerator) createArchive() error {
 		log.Errorf("failed to add systemd logs: %v", err)
 	}

-	if err := g.addUpdateLogs(); err != nil {
-		log.Errorf("failed to add updater logs: %v", err)
-	}
-
 	return nil
 }

@@ -535,18 +522,6 @@ func (g *BundleGenerator) addProf() (err error) {
 	return nil
 }

-func (g *BundleGenerator) addStackTrace() error {
-	buf := make([]byte, 5242880) // 5 MB buffer
-	n := runtime.Stack(buf, true)
-
-	stackTrace := bytes.NewReader(buf[:n])
-	if err := g.addFileToZip(stackTrace, "stack_trace.txt"); err != nil {
-		return fmt.Errorf("add stack trace file to zip: %w", err)
-	}
-
-	return nil
-}
-
 func (g *BundleGenerator) addInterfaces() error {
 	interfaces, err := net.Interfaces()
 	if err != nil {
@@ -655,29 +630,6 @@ func (g *BundleGenerator) addStateFile() error {
 	return nil
 }

-func (g *BundleGenerator) addUpdateLogs() error {
-	inst := installer.New()
-	logFiles := inst.LogFiles()
-	if len(logFiles) == 0 {
-		return nil
-	}
-
-	log.Infof("adding updater logs")
-	for _, logFile := range logFiles {
-		data, err := os.ReadFile(logFile)
-		if err != nil {
-			log.Warnf("failed to read update log file %s: %v", logFile, err)
-			continue
-		}
-
-		baseName := filepath.Base(logFile)
-		if err := g.addFileToZip(bytes.NewReader(data), filepath.Join("update-logs", baseName)); err != nil {
-			return fmt.Errorf("add update log file %s to zip: %w", baseName, err)
-		}
-	}
-	return nil
-}
-
 func (g *BundleGenerator) addCorruptedStateFiles() error {
 	sm := profilemanager.NewServiceManager("")
 	pattern := sm.GetStatePath()
--- a/client/internal/debug/debug_linux.go
+++ b/client/internal/debug/debug_linux.go
@@ -507,13 +507,15 @@ func formatPayloadWithCmp(p *expr.Payload, cmp *expr.Cmp) string {
 	if p.Base == expr.PayloadBaseNetworkHeader {
 		switch p.Offset {
 		case 12:
-			switch p.Len {
-			case 4, 2:
+			if p.Len == 4 {
+				return fmt.Sprintf("ip saddr %s %s", formatCmpOp(cmp.Op), formatIPBytes(cmp.Data))
+			} else if p.Len == 2 {
 				return fmt.Sprintf("ip saddr %s %s", formatCmpOp(cmp.Op), formatIPBytes(cmp.Data))
 			}
 		case 16:
-			switch p.Len {
-			case 4, 2:
+			if p.Len == 4 {
+				return fmt.Sprintf("ip daddr %s %s", formatCmpOp(cmp.Op), formatIPBytes(cmp.Data))
+			} else if p.Len == 2 {
 				return fmt.Sprintf("ip daddr %s %s", formatCmpOp(cmp.Op), formatIPBytes(cmp.Data))
 			}
 		}
--- a/client/internal/dns.go
+++ b/client/internal/dns.go
@@ -76,9 +76,6 @@ func collectPTRRecords(config *nbdns.Config, prefix netip.Prefix) []nbdns.Simple
 	var records []nbdns.SimpleRecord

 	for _, zone := range config.CustomZones {
-		if zone.NonAuthoritative {
-			continue
-		}
 		for _, record := range zone.Records {
 			if record.Type != int(dns.TypeA) {
 				continue
@@ -109,9 +106,8 @@ func addReverseZone(config *nbdns.Config, network netip.Prefix) {
 	records := collectPTRRecords(config, network)

 	reverseZone := nbdns.CustomZone{
-		Domain:               zoneName,
-		Records:              records,
-		SearchDomainDisabled: true,
+		Domain:  zoneName,
+		Records: records,
 	}

 	config.CustomZones = append(config.CustomZones, reverseZone)
--- a/client/internal/dns/handler_chain.go
+++ b/client/internal/dns/handler_chain.go
@@ -3,21 +3,17 @@ package dns
 import (
 	"fmt"
 	"slices"
-	"strconv"
 	"strings"
 	"sync"
-	"time"

 	"github.com/miekg/dns"
 	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/internal/dns/resutil"
 )

 const (
 	PriorityMgmtCache = 150
-	PriorityDNSRoute  = 100
-	PriorityLocal     = 75
+	PriorityLocal     = 100
+	PriorityDNSRoute  = 75
 	PriorityUpstream  = 50
 	PriorityDefault   = 1
 	PriorityFallback  = -100
@@ -47,23 +43,7 @@ type HandlerChain struct {
 type ResponseWriterChain struct {
 	dns.ResponseWriter
 	origPattern    string
-	requestID      string
 	shouldContinue bool
-	response       *dns.Msg
-	meta           map[string]string
-}
-
-// RequestID returns the request ID for tracing
-func (w *ResponseWriterChain) RequestID() string {
-	return w.requestID
-}
-
-// SetMeta sets a metadata key-value pair for logging
-func (w *ResponseWriterChain) SetMeta(key, value string) {
-	if w.meta == nil {
-		w.meta = make(map[string]string)
-	}
-	w.meta[key] = value
 }

 func (w *ResponseWriterChain) WriteMsg(m *dns.Msg) error {
@@ -72,7 +52,6 @@ func (w *ResponseWriterChain) WriteMsg(m *dns.Msg) error {
 		w.shouldContinue = true
 		return nil
 	}
-	w.response = m
 	return w.ResponseWriter.WriteMsg(m)
 }

@@ -122,8 +101,6 @@ func (c *HandlerChain) AddHandler(pattern string, handler dns.Handler, priority

 	pos := c.findHandlerPosition(entry)
 	c.handlers = append(c.handlers[:pos], append([]HandlerEntry{entry}, c.handlers[pos:]...)...)
-
-	c.logHandlers()
 }

 // findHandlerPosition determines where to insert a new handler based on priority and specificity
@@ -163,109 +140,68 @@ func (c *HandlerChain) removeEntry(pattern string, priority int) {
 	for i := len(c.handlers) - 1; i >= 0; i-- {
 		entry := c.handlers[i]
 		if strings.EqualFold(entry.OrigPattern, pattern) && entry.Priority == priority {
-			log.Debugf("removing handler pattern: domain=%s priority=%d", entry.OrigPattern, priority)
 			c.handlers = append(c.handlers[:i], c.handlers[i+1:]...)
-			c.logHandlers()
 			break
 		}
 	}
 }

-// logHandlers logs the current handler chain state. Caller must hold the lock.
-func (c *HandlerChain) logHandlers() {
-	if !log.IsLevelEnabled(log.TraceLevel) {
-		return
-	}
-
-	var b strings.Builder
-	b.WriteString("handler chain (" + strconv.Itoa(len(c.handlers)) + "):\n")
-	for _, h := range c.handlers {
-		b.WriteString("  - pattern: domain=" + h.Pattern + " original: domain=" + h.OrigPattern +
-			" wildcard=" + strconv.FormatBool(h.IsWildcard) +
-			" match_subdomain=" + strconv.FormatBool(h.MatchSubdomains) +
-			" priority=" + strconv.Itoa(h.Priority) + "\n")
-	}
-	log.Trace(strings.TrimSuffix(b.String(), "\n"))
-}
-
 func (c *HandlerChain) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 	if len(r.Question) == 0 {
 		return
 	}

-	startTime := time.Now()
-	requestID := resutil.GenerateRequestID()
-	logger := log.WithFields(log.Fields{
-		"request_id": requestID,
-		"dns_id":     fmt.Sprintf("%04x", r.Id),
-	})
-
-	question := r.Question[0]
-	qname := strings.ToLower(question.Name)
+	qname := strings.ToLower(r.Question[0].Name)

 	c.mu.RLock()
 	handlers := slices.Clone(c.handlers)
 	c.mu.RUnlock()

+	if log.IsLevelEnabled(log.TraceLevel) {
+		var b strings.Builder
+		b.WriteString(fmt.Sprintf("DNS request domain=%s, handlers (%d):\n", qname, len(handlers)))
+		for _, h := range handlers {
+			b.WriteString(fmt.Sprintf("  - pattern: domain=%s original: domain=%s wildcard=%v match_subdomain=%v priority=%d\n",
+				h.Pattern, h.OrigPattern, h.IsWildcard, h.MatchSubdomains, h.Priority))
+		}
+		log.Trace(strings.TrimSuffix(b.String(), "\n"))
+	}
+
 	// Try handlers in priority order
 	for _, entry := range handlers {
-		if !c.isHandlerMatch(qname, entry) {
-			continue
-		}
+		matched := c.isHandlerMatch(qname, entry)

-		handlerName := entry.OrigPattern
-		if s, ok := entry.Handler.(interface{ String() string }); ok {
-			handlerName = s.String()
-		}
+		if matched {
+			log.Tracef("handler matched: domain=%s -> pattern=%s wildcard=%v match_subdomain=%v priority=%d",
+				qname, entry.OrigPattern, entry.IsWildcard, entry.MatchSubdomains, entry.Priority)

-		logger.Tracef("question: domain=%s type=%s class=%s -> handler=%s pattern=%s wildcard=%v match_subdomain=%v priority=%d",
-			qname, dns.TypeToString[question.Qtype], dns.ClassToString[question.Qclass],
-			handlerName, entry.OrigPattern, entry.IsWildcard, entry.MatchSubdomains, entry.Priority)
-
-		chainWriter := &ResponseWriterChain{
-			ResponseWriter: w,
-			origPattern:    entry.OrigPattern,
-			requestID:      requestID,
-		}
-		entry.Handler.ServeDNS(chainWriter, r)
-
-		// If handler wants to continue, try next handler
-		if chainWriter.shouldContinue {
-			if entry.Priority != PriorityMgmtCache {
-				logger.Tracef("handler requested continue for domain=%s", qname)
+			chainWriter := &ResponseWriterChain{
+				ResponseWriter: w,
+				origPattern:    entry.OrigPattern,
 			}
-			continue
-		}
+			entry.Handler.ServeDNS(chainWriter, r)

-		c.logResponse(logger, chainWriter, qname, startTime)
-		return
+			// If handler wants to continue, try next handler
+			if chainWriter.shouldContinue {
+				// Only log continue for non-management cache handlers to reduce noise
+				if entry.Priority != PriorityMgmtCache {
+					log.Tracef("handler requested continue to next handler for domain=%s", qname)
+				}
+				continue
+			}
+			return
+		}
 	}

 	// No handler matched or all handlers passed
-	logger.Tracef("no handler found for domain=%s type=%s class=%s",
-		qname, dns.TypeToString[question.Qtype], dns.ClassToString[question.Qclass])
+	log.Tracef("no handler found for domain=%s", qname)
 	resp := &dns.Msg{}
 	resp.SetRcode(r, dns.RcodeRefused)
 	if err := w.WriteMsg(resp); err != nil {
-		logger.Errorf("failed to write DNS response: %v", err)
+		log.Errorf("failed to write DNS response: %v", err)
 	}
 }

-func (c *HandlerChain) logResponse(logger *log.Entry, cw *ResponseWriterChain, qname string, startTime time.Time) {
-	if cw.response == nil {
-		return
-	}
-
-	var meta string
-	for k, v := range cw.meta {
-		meta += " " + k + "=" + v
-	}
-
-	logger.Tracef("response: domain=%s rcode=%s answers=%s%s took=%s",
-		qname, dns.RcodeToString[cw.response.Rcode], resutil.FormatAnswers(cw.response.Answer),
-		meta, time.Since(startTime))
-}
-
 func (c *HandlerChain) isHandlerMatch(qname string, entry HandlerEntry) bool {
 	switch {
 	case entry.Pattern == ".":
--- a/client/internal/dns/host.go
+++ b/client/internal/dns/host.go
@@ -11,6 +11,11 @@ import (
 	nbdns "github.com/netbirdio/netbird/dns"
 )

+const (
+	ipv4ReverseZone = ".in-addr.arpa."
+	ipv6ReverseZone = ".ip6.arpa."
+)
+
 type hostManager interface {
 	applyDNSConfig(config HostDNSConfig, stateManager *statemanager.Manager) error
 	restoreHostDNS() error
@@ -105,9 +110,10 @@ func dnsConfigToHostDNSConfig(dnsConfig nbdns.Config, ip netip.Addr, port int) H
 	}

 	for _, customZone := range dnsConfig.CustomZones {
+		matchOnly := strings.HasSuffix(customZone.Domain, ipv4ReverseZone) || strings.HasSuffix(customZone.Domain, ipv6ReverseZone)
 		config.Domains = append(config.Domains, DomainConfig{
 			Domain:    strings.ToLower(dns.Fqdn(customZone.Domain)),
-			MatchOnly: customZone.SearchDomainDisabled,
+			MatchOnly: matchOnly,
 		})
 	}

--- a/client/internal/dns/local/local.go
+++ b/client/internal/dns/local/local.go
@@ -1,52 +1,30 @@
 package local

 import (
-	"context"
-	"errors"
 	"fmt"
-	"net"
-	"net/netip"
 	"slices"
 	"strings"
 	"sync"
-	"time"

 	"github.com/miekg/dns"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/exp/maps"

-	"github.com/netbirdio/netbird/client/internal/dns/resutil"
 	"github.com/netbirdio/netbird/client/internal/dns/types"
 	nbdns "github.com/netbirdio/netbird/dns"
 	"github.com/netbirdio/netbird/shared/management/domain"
 )

-const externalResolutionTimeout = 4 * time.Second
-
-type resolver interface {
-	LookupNetIP(ctx context.Context, network, host string) ([]netip.Addr, error)
-}
-
 type Resolver struct {
 	mu      sync.RWMutex
 	records map[dns.Question][]dns.RR
 	domains map[domain.Domain]struct{}
-	// zones maps zone domain -> NonAuthoritative (true = non-authoritative, user-created zone)
-	zones    map[domain.Domain]bool
-	resolver resolver
-
-	ctx    context.Context
-	cancel context.CancelFunc
 }

 func NewResolver() *Resolver {
-	ctx, cancel := context.WithCancel(context.Background())
 	return &Resolver{
 		records: make(map[dns.Question][]dns.RR),
 		domains: make(map[domain.Domain]struct{}),
-		zones:   make(map[domain.Domain]bool),
-		ctx:     ctx,
-		cancel:  cancel,
 	}
 }

@@ -59,18 +37,7 @@ func (d *Resolver) String() string {
 	return fmt.Sprintf("LocalResolver [%d records]", len(d.records))
 }

-func (d *Resolver) Stop() {
-	if d.cancel != nil {
-		d.cancel()
-	}
-
-	d.mu.Lock()
-	defer d.mu.Unlock()
-
-	maps.Clear(d.records)
-	maps.Clear(d.domains)
-	maps.Clear(d.zones)
-}
+func (d *Resolver) Stop() {}

 // ID returns the unique handler ID
 func (d *Resolver) ID() types.HandlerID {
@@ -81,85 +48,35 @@ func (d *Resolver) ProbeAvailability() {}

 // ServeDNS handles a DNS request
 func (d *Resolver) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
-	logger := log.WithField("request_id", resutil.GetRequestID(w))
-
 	if len(r.Question) == 0 {
-		logger.Debug("received local resolver request with no question")
+		log.Debugf("received local resolver request with no question")
 		return
 	}
 	question := r.Question[0]
 	question.Name = strings.ToLower(dns.Fqdn(question.Name))

+	log.Tracef("received local question: domain=%s type=%v class=%v", r.Question[0].Name, question.Qtype, question.Qclass)
+
 	replyMessage := &dns.Msg{}
 	replyMessage.SetReply(r)
 	replyMessage.RecursionAvailable = true

-	result := d.lookupRecords(logger, question)
-	replyMessage.Authoritative = !result.hasExternalData
-	replyMessage.Answer = result.records
-	replyMessage.Rcode = d.determineRcode(question, result)
-
-	if replyMessage.Rcode == dns.RcodeNameError && d.shouldFallthrough(question.Name) {
-		d.continueToNext(logger, w, r)
-		return
+	// lookup all records matching the question
+	records := d.lookupRecords(question)
+	if len(records) > 0 {
+		replyMessage.Rcode = dns.RcodeSuccess
+		replyMessage.Answer = append(replyMessage.Answer, records...)
+	} else {
+		// Check if we have any records for this domain name with different types
+		if d.hasRecordsForDomain(domain.Domain(question.Name)) {
+			replyMessage.Rcode = dns.RcodeSuccess // NOERROR with 0 records
+		} else {
+			replyMessage.Rcode = dns.RcodeNameError // NXDOMAIN
+		}
 	}

 	if err := w.WriteMsg(replyMessage); err != nil {
-		logger.Warnf("failed to write the local resolver response: %v", err)
-	}
-}
-
-// determineRcode returns the appropriate DNS response code.
-// Per RFC 6604, CNAME chains should return the rcode of the final target resolution,
-// even if CNAME records are included in the answer.
-func (d *Resolver) determineRcode(question dns.Question, result lookupResult) int {
-	// Use the rcode from lookup - this properly handles CNAME chains where
-	// the target may be NXDOMAIN or SERVFAIL even though we have CNAME records
-	if result.rcode != 0 {
-		return result.rcode
-	}
-
-	// No records found, but domain exists with different record types (NODATA)
-	if d.hasRecordsForDomain(domain.Domain(question.Name)) {
-		return dns.RcodeSuccess
-	}
-
-	return dns.RcodeNameError
-}
-
-// findZone finds the matching zone for a query name using reverse suffix lookup.
-// Returns (nonAuthoritative, found). This is O(k) where k = number of labels in qname.
-func (d *Resolver) findZone(qname string) (nonAuthoritative bool, found bool) {
-	qname = strings.ToLower(dns.Fqdn(qname))
-	for {
-		if nonAuth, ok := d.zones[domain.Domain(qname)]; ok {
-			return nonAuth, true
-		}
-		// Move to parent domain
-		idx := strings.Index(qname, ".")
-		if idx == -1 || idx == len(qname)-1 {
-			return false, false
-		}
-		qname = qname[idx+1:]
-	}
-}
-
-// shouldFallthrough checks if the query should fallthrough to the next handler.
-// Returns true if the queried name belongs to a non-authoritative zone.
-func (d *Resolver) shouldFallthrough(qname string) bool {
-	d.mu.RLock()
-	defer d.mu.RUnlock()
-
-	nonAuth, found := d.findZone(qname)
-	return found && nonAuth
-}
-
-func (d *Resolver) continueToNext(logger *log.Entry, w dns.ResponseWriter, r *dns.Msg) {
-	resp := &dns.Msg{}
-	resp.SetRcode(r, dns.RcodeNameError)
-	resp.MsgHdr.Zero = true
-	if err := w.WriteMsg(resp); err != nil {
-		logger.Warnf("failed to write continue signal: %v", err)
+		log.Warnf("failed to write the local resolver response: %v", err)
 	}
 }

@@ -172,27 +89,8 @@ func (d *Resolver) hasRecordsForDomain(domainName domain.Domain) bool {
 	return exists
 }

-// isInManagedZone checks if the given name falls within any of our managed zones.
-// This is used to avoid unnecessary external resolution for CNAME targets that
-// are within zones we manage - if we don't have a record for it, it doesn't exist.
-// Caller must NOT hold the lock.
-func (d *Resolver) isInManagedZone(name string) bool {
-	d.mu.RLock()
-	defer d.mu.RUnlock()
-
-	_, found := d.findZone(name)
-	return found
-}
-
-// lookupResult contains the result of a DNS lookup operation.
-type lookupResult struct {
-	records         []dns.RR
-	rcode           int
-	hasExternalData bool
-}
-
 // lookupRecords fetches *all* DNS records matching the first question in r.
-func (d *Resolver) lookupRecords(logger *log.Entry, question dns.Question) lookupResult {
+func (d *Resolver) lookupRecords(question dns.Question) []dns.RR {
 	d.mu.RLock()
 	records, found := d.records[question]

@@ -200,14 +98,10 @@ func (d *Resolver) lookupRecords(logger *log.Entry, question dns.Question) looku
 		d.mu.RUnlock()
 		// alternatively check if we have a cname
 		if question.Qtype != dns.TypeCNAME {
-			cnameQuestion := dns.Question{
-				Name:   question.Name,
-				Qtype:  dns.TypeCNAME,
-				Qclass: question.Qclass,
-			}
-			return d.lookupCNAMEChain(logger, cnameQuestion, question.Qtype)
+			question.Qtype = dns.TypeCNAME
+			return d.lookupRecords(question)
 		}
-		return lookupResult{rcode: dns.RcodeNameError}
+		return nil
 	}

 	recordsCopy := slices.Clone(records)
@@ -225,178 +119,20 @@ func (d *Resolver) lookupRecords(logger *log.Entry, question dns.Question) looku
 		d.mu.Unlock()
 	}

-	return lookupResult{records: recordsCopy, rcode: dns.RcodeSuccess}
+	return recordsCopy
 }

-// lookupCNAMEChain follows a CNAME chain and returns the CNAME records along with
-// the final resolved record of the requested type. This is required for musl libc
-// compatibility, which expects the full answer chain rather than just the CNAME.
-func (d *Resolver) lookupCNAMEChain(logger *log.Entry, cnameQuestion dns.Question, targetType uint16) lookupResult {
-	const maxDepth = 8
-	var chain []dns.RR
-
-	for range maxDepth {
-		cnameRecords := d.getRecords(cnameQuestion)
-		if len(cnameRecords) == 0 {
-			break
-		}
-
-		chain = append(chain, cnameRecords...)
-
-		cname, ok := cnameRecords[0].(*dns.CNAME)
-		if !ok {
-			break
-		}
-
-		targetName := strings.ToLower(cname.Target)
-		targetResult := d.resolveCNAMETarget(logger, targetName, targetType, cnameQuestion.Qclass)
-
-		// keep following chain
-		if targetResult.rcode == -1 {
-			cnameQuestion = dns.Question{Name: targetName, Qtype: dns.TypeCNAME, Qclass: cnameQuestion.Qclass}
-			continue
-		}
-
-		return d.buildChainResult(chain, targetResult)
-	}
-
-	if len(chain) > 0 {
-		return lookupResult{records: chain, rcode: dns.RcodeSuccess}
-	}
-	return lookupResult{rcode: dns.RcodeSuccess}
-}
-
-// buildChainResult combines CNAME chain records with the target resolution result.
-// Per RFC 6604, the final rcode is propagated through the chain.
-func (d *Resolver) buildChainResult(chain []dns.RR, target lookupResult) lookupResult {
-	records := chain
-	if len(target.records) > 0 {
-		records = append(records, target.records...)
-	}
-
-	// preserve hasExternalData for SERVFAIL so caller knows the error came from upstream
-	if target.hasExternalData && target.rcode == dns.RcodeServerFailure {
-		return lookupResult{
-			records:         records,
-			rcode:           dns.RcodeServerFailure,
-			hasExternalData: true,
-		}
-	}
-
-	return lookupResult{
-		records:         records,
-		rcode:           target.rcode,
-		hasExternalData: target.hasExternalData,
-	}
-}
-
-// resolveCNAMETarget attempts to resolve a CNAME target name.
-// Returns rcode=-1 to signal "keep following the chain".
-func (d *Resolver) resolveCNAMETarget(logger *log.Entry, targetName string, targetType uint16, qclass uint16) lookupResult {
-	if records := d.getRecords(dns.Question{Name: targetName, Qtype: targetType, Qclass: qclass}); len(records) > 0 {
-		return lookupResult{records: records, rcode: dns.RcodeSuccess}
-	}
-
-	// another CNAME, keep following
-	if d.hasRecord(dns.Question{Name: targetName, Qtype: dns.TypeCNAME, Qclass: qclass}) {
-		return lookupResult{rcode: -1}
-	}
-
-	// domain exists locally but not this record type (NODATA)
-	if d.hasRecordsForDomain(domain.Domain(targetName)) {
-		return lookupResult{rcode: dns.RcodeSuccess}
-	}
-
-	// in our zone but doesn't exist (NXDOMAIN)
-	if d.isInManagedZone(targetName) {
-		return lookupResult{rcode: dns.RcodeNameError}
-	}
-
-	return d.resolveExternal(logger, targetName, targetType)
-}
-
-func (d *Resolver) getRecords(q dns.Question) []dns.RR {
-	d.mu.RLock()
-	defer d.mu.RUnlock()
-	return d.records[q]
-}
-
-func (d *Resolver) hasRecord(q dns.Question) bool {
-	d.mu.RLock()
-	defer d.mu.RUnlock()
-	_, ok := d.records[q]
-	return ok
-}
-
-// resolveExternal resolves a domain name using the system resolver.
-// This is used to resolve CNAME targets that point outside our local zone,
-// which is required for musl libc compatibility (musl expects complete answers).
-func (d *Resolver) resolveExternal(logger *log.Entry, name string, qtype uint16) lookupResult {
-	network := resutil.NetworkForQtype(qtype)
-	if network == "" {
-		return lookupResult{rcode: dns.RcodeNotImplemented}
-	}
-
-	resolver := d.resolver
-	if resolver == nil {
-		resolver = net.DefaultResolver
-	}
-
-	ctx, cancel := context.WithTimeout(d.ctx, externalResolutionTimeout)
-	defer cancel()
-
-	result := resutil.LookupIP(ctx, resolver, network, name, qtype)
-	if result.Err != nil {
-		d.logDNSError(logger, name, qtype, result.Err)
-		return lookupResult{rcode: result.Rcode, hasExternalData: true}
-	}
-
-	return lookupResult{
-		records:         resutil.IPsToRRs(name, result.IPs, 60),
-		rcode:           dns.RcodeSuccess,
-		hasExternalData: true,
-	}
-}
-
-// logDNSError logs DNS resolution errors for debugging.
-func (d *Resolver) logDNSError(logger *log.Entry, hostname string, qtype uint16, err error) {
-	qtypeName := dns.TypeToString[qtype]
-
-	var dnsErr *net.DNSError
-	if !errors.As(err, &dnsErr) {
-		logger.Debugf("DNS resolution failed for %s type %s: %v", hostname, qtypeName, err)
-		return
-	}
-
-	if dnsErr.IsNotFound {
-		logger.Tracef("DNS target not found: %s type %s", hostname, qtypeName)
-		return
-	}
-
-	if dnsErr.Server != "" {
-		logger.Debugf("DNS resolution failed for %s type %s server=%s: %v", hostname, qtypeName, dnsErr.Server, err)
-	} else {
-		logger.Debugf("DNS resolution failed for %s type %s: %v", hostname, qtypeName, err)
-	}
-}
-
-// Update replaces all zones and their records
-func (d *Resolver) Update(customZones []nbdns.CustomZone) {
+func (d *Resolver) Update(update []nbdns.SimpleRecord) {
 	d.mu.Lock()
 	defer d.mu.Unlock()

 	maps.Clear(d.records)
 	maps.Clear(d.domains)
-	maps.Clear(d.zones)

-	for _, zone := range customZones {
-		zoneDomain := domain.Domain(strings.ToLower(dns.Fqdn(zone.Domain)))
-		d.zones[zoneDomain] = zone.NonAuthoritative
-
-		for _, rec := range zone.Records {
-			if err := d.registerRecord(rec); err != nil {
-				log.Warnf("failed to register the record (%s): %v", rec, err)
-			}
+	for _, rec := range update {
+		if err := d.registerRecord(rec); err != nil {
+			log.Warnf("failed to register the record (%s): %v", rec, err)
+			continue
 		}
 	}
 }
--- a/client/internal/dns/local/local_test.go
+++ b/client/internal/dns/local/local_test.go
@@ -1,14 +1,8 @@
 package local

 import (
-	"context"
-	"fmt"
-	"net"
-	"net/netip"
 	"strings"
-	"sync"
 	"testing"
-	"time"

 	"github.com/miekg/dns"
 	"github.com/stretchr/testify/assert"
@@ -18,18 +12,6 @@ import (
 	nbdns "github.com/netbirdio/netbird/dns"
 )

-// mockResolver implements resolver for testing
-type mockResolver struct {
-	lookupFunc func(ctx context.Context, network, host string) ([]netip.Addr, error)
-}
-
-func (m *mockResolver) LookupNetIP(ctx context.Context, network, host string) ([]netip.Addr, error) {
-	if m.lookupFunc != nil {
-		return m.lookupFunc(ctx, network, host)
-	}
-	return nil, nil
-}
-
 func TestLocalResolver_ServeDNS(t *testing.T) {
 	recordA := nbdns.SimpleRecord{
 		Name:  "peera.netbird.cloud.",
@@ -124,11 +106,11 @@ func TestLocalResolver_Update_StaleRecord(t *testing.T) {

 	resolver := NewResolver()

-	zone1 := []nbdns.CustomZone{{Domain: "example.com.", Records: []nbdns.SimpleRecord{record1}}}
-	zone2 := []nbdns.CustomZone{{Domain: "example.com.", Records: []nbdns.SimpleRecord{record2}}}
+	update1 := []nbdns.SimpleRecord{record1}
+	update2 := []nbdns.SimpleRecord{record2}

 	// Apply first update
-	resolver.Update(zone1)
+	resolver.Update(update1)

 	// Verify first update
 	resolver.mu.RLock()
@@ -140,7 +122,7 @@ func TestLocalResolver_Update_StaleRecord(t *testing.T) {
 	assert.Contains(t, rrSlice1[0].String(), record1.RData, "Record after first update should be %s", record1.RData)

 	// Apply second update
-	resolver.Update(zone2)
+	resolver.Update(update2)

 	// Verify second update
 	resolver.mu.RLock()
@@ -169,10 +151,10 @@ func TestLocalResolver_MultipleRecords_SameQuestion(t *testing.T) {
 		Name: recordName, Type: int(recordType), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.2",
 	}

-	zones := []nbdns.CustomZone{{Domain: "example.com.", Records: []nbdns.SimpleRecord{record1, record2}}}
+	update := []nbdns.SimpleRecord{record1, record2}

 	// Apply update with both records
-	resolver.Update(zones)
+	resolver.Update(update)

 	// Create question that matches both records
 	question := dns.Question{
@@ -213,10 +195,10 @@ func TestLocalResolver_RecordRotation(t *testing.T) {
 		Name: recordName, Type: int(recordType), Class: nbdns.DefaultClass, TTL: 300, RData: "192.168.1.3",
 	}

-	zones := []nbdns.CustomZone{{Domain: "example.com.", Records: []nbdns.SimpleRecord{record1, record2, record3}}}
+	update := []nbdns.SimpleRecord{record1, record2, record3}

 	// Apply update with all three records
-	resolver.Update(zones)
+	resolver.Update(update)

 	msg := new(dns.Msg).SetQuestion(recordName, recordType)

@@ -282,7 +264,7 @@ func TestLocalResolver_CaseInsensitiveMatching(t *testing.T) {
 	}

 	// Update resolver with the records
-	resolver.Update([]nbdns.CustomZone{{Domain: "example.com.", Records: []nbdns.SimpleRecord{lowerCaseRecord, mixedCaseRecord}}})
+	resolver.Update([]nbdns.SimpleRecord{lowerCaseRecord, mixedCaseRecord})

 	testCases := []struct {
 		name          string
@@ -397,7 +379,7 @@ func TestLocalResolver_CNAMEFallback(t *testing.T) {
 	}

 	// Update resolver with both records
-	resolver.Update([]nbdns.CustomZone{{Domain: "example.com.", Records: []nbdns.SimpleRecord{cnameRecord, targetRecord}}})
+	resolver.Update([]nbdns.SimpleRecord{cnameRecord, targetRecord})

 	testCases := []struct {
 		name          string
@@ -494,20 +476,6 @@ func TestLocalResolver_CNAMEFallback(t *testing.T) {
 // with 0 records instead of NXDOMAIN
 func TestLocalResolver_NoErrorWithDifferentRecordType(t *testing.T) {
 	resolver := NewResolver()
-	// Mock external resolver for CNAME target resolution
-	resolver.resolver = &mockResolver{
-		lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-			if host == "target.example.com." {
-				if network == "ip4" {
-					return []netip.Addr{netip.MustParseAddr("93.184.216.34")}, nil
-				}
-				if network == "ip6" {
-					return []netip.Addr{netip.MustParseAddr("2606:2800:220:1:248:1893:25c8:1946")}, nil
-				}
-			}
-			return nil, &net.DNSError{IsNotFound: true, Name: host}
-		},
-	}

 	recordA := nbdns.SimpleRecord{
 		Name:  "example.netbird.cloud.",
@@ -525,7 +493,7 @@ func TestLocalResolver_NoErrorWithDifferentRecordType(t *testing.T) {
 		RData: "target.example.com.",
 	}

-	resolver.Update([]nbdns.CustomZone{{Domain: "netbird.cloud.", Records: []nbdns.SimpleRecord{recordA, recordCNAME}}})
+	resolver.Update([]nbdns.SimpleRecord{recordA, recordCNAME})

 	testCases := []struct {
 		name           string
@@ -614,808 +582,3 @@ func TestLocalResolver_NoErrorWithDifferentRecordType(t *testing.T) {
 		})
 	}
 }
-
-// TestLocalResolver_CNAMEChainResolution tests comprehensive CNAME chain following
-func TestLocalResolver_CNAMEChainResolution(t *testing.T) {
-	t.Run("simple internal CNAME chain", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "example.com.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.example.com.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "target.example.com."},
-				{Name: "target.example.com.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "192.168.1.1"},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.example.com.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		require.Equal(t, dns.RcodeSuccess, resp.Rcode)
-		require.Len(t, resp.Answer, 2)
-
-		cname, ok := resp.Answer[0].(*dns.CNAME)
-		require.True(t, ok)
-		assert.Equal(t, "target.example.com.", cname.Target)
-
-		a, ok := resp.Answer[1].(*dns.A)
-		require.True(t, ok)
-		assert.Equal(t, "192.168.1.1", a.A.String())
-	})
-
-	t.Run("multi-hop CNAME chain", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "hop1.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "hop2.test."},
-				{Name: "hop2.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "hop3.test."},
-				{Name: "hop3.test.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("hop1.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		require.Equal(t, dns.RcodeSuccess, resp.Rcode)
-		require.Len(t, resp.Answer, 3)
-	})
-
-	t.Run("CNAME to non-existent internal target returns only CNAME", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "nonexistent.test."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		require.Len(t, resp.Answer, 1)
-		_, ok := resp.Answer[0].(*dns.CNAME)
-		assert.True(t, ok)
-	})
-}
-
-// TestLocalResolver_CNAMEMaxDepth tests the maximum depth limit for CNAME chains
-func TestLocalResolver_CNAMEMaxDepth(t *testing.T) {
-	t.Run("chain at max depth resolves", func(t *testing.T) {
-		resolver := NewResolver()
-		var records []nbdns.SimpleRecord
-		// Create chain of 7 CNAMEs (under max of 8)
-		for i := 1; i <= 7; i++ {
-			records = append(records, nbdns.SimpleRecord{
-				Name:  fmt.Sprintf("hop%d.test.", i),
-				Type:  int(dns.TypeCNAME),
-				Class: nbdns.DefaultClass,
-				TTL:   300,
-				RData: fmt.Sprintf("hop%d.test.", i+1),
-			})
-		}
-		records = append(records, nbdns.SimpleRecord{
-			Name: "hop8.test.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.10.10.10",
-		})
-
-		resolver.Update([]nbdns.CustomZone{{Domain: "test.", Records: records}})
-
-		msg := new(dns.Msg).SetQuestion("hop1.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		require.Equal(t, dns.RcodeSuccess, resp.Rcode)
-		require.Len(t, resp.Answer, 8)
-	})
-
-	t.Run("chain exceeding max depth stops", func(t *testing.T) {
-		resolver := NewResolver()
-		var records []nbdns.SimpleRecord
-		// Create chain of 10 CNAMEs (exceeds max of 8)
-		for i := 1; i <= 10; i++ {
-			records = append(records, nbdns.SimpleRecord{
-				Name:  fmt.Sprintf("deep%d.test.", i),
-				Type:  int(dns.TypeCNAME),
-				Class: nbdns.DefaultClass,
-				TTL:   300,
-				RData: fmt.Sprintf("deep%d.test.", i+1),
-			})
-		}
-		records = append(records, nbdns.SimpleRecord{
-			Name: "deep11.test.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.10.10.10",
-		})
-
-		resolver.Update([]nbdns.CustomZone{{Domain: "test.", Records: records}})
-
-		msg := new(dns.Msg).SetQuestion("deep1.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		// Should NOT have the final A record (chain too deep)
-		assert.LessOrEqual(t, len(resp.Answer), 8)
-	})
-
-	t.Run("circular CNAME is protected by max depth", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "loop1.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "loop2.test."},
-				{Name: "loop2.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "loop1.test."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("loop1.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		assert.LessOrEqual(t, len(resp.Answer), 8)
-	})
-}
-
-// TestLocalResolver_ExternalCNAMEResolution tests CNAME resolution to external domains
-func TestLocalResolver_ExternalCNAMEResolution(t *testing.T) {
-	t.Run("CNAME to external domain resolves via external resolver", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.resolver = &mockResolver{
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				if host == "external.example.com." && network == "ip4" {
-					return []netip.Addr{netip.MustParseAddr("93.184.216.34")}, nil
-				}
-				return nil, nil
-			},
-		}
-
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.example.com."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		require.Len(t, resp.Answer, 2, "Should have CNAME + A record")
-
-		cname, ok := resp.Answer[0].(*dns.CNAME)
-		require.True(t, ok)
-		assert.Equal(t, "external.example.com.", cname.Target)
-
-		a, ok := resp.Answer[1].(*dns.A)
-		require.True(t, ok)
-		assert.Equal(t, "93.184.216.34", a.A.String())
-	})
-
-	t.Run("CNAME to external domain resolves IPv6", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.resolver = &mockResolver{
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				if host == "external.example.com." && network == "ip6" {
-					return []netip.Addr{netip.MustParseAddr("2606:2800:220:1:248:1893:25c8:1946")}, nil
-				}
-				return nil, nil
-			},
-		}
-
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.example.com."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.test.", dns.TypeAAAA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		require.Len(t, resp.Answer, 2, "Should have CNAME + AAAA record")
-
-		cname, ok := resp.Answer[0].(*dns.CNAME)
-		require.True(t, ok)
-		assert.Equal(t, "external.example.com.", cname.Target)
-
-		aaaa, ok := resp.Answer[1].(*dns.AAAA)
-		require.True(t, ok)
-		assert.Equal(t, "2606:2800:220:1:248:1893:25c8:1946", aaaa.AAAA.String())
-	})
-
-	t.Run("concurrent external resolution", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.resolver = &mockResolver{
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				if host == "external.example.com." && network == "ip4" {
-					return []netip.Addr{netip.MustParseAddr("93.184.216.34")}, nil
-				}
-				return nil, nil
-			},
-		}
-
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "concurrent.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.example.com."},
-			},
-		}})
-
-		var wg sync.WaitGroup
-		results := make([]*dns.Msg, 10)
-
-		for i := 0; i < 10; i++ {
-			wg.Add(1)
-			go func(idx int) {
-				defer wg.Done()
-				msg := new(dns.Msg).SetQuestion("concurrent.test.", dns.TypeA)
-				var resp *dns.Msg
-				resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-				results[idx] = resp
-			}(i)
-		}
-		wg.Wait()
-
-		for i, resp := range results {
-			require.NotNil(t, resp, "Response %d should not be nil", i)
-			require.Len(t, resp.Answer, 2, "Response %d should have CNAME + A", i)
-		}
-	})
-}
-
-// TestLocalResolver_ZoneManagement tests zone-aware CNAME resolution
-func TestLocalResolver_ZoneManagement(t *testing.T) {
-	t.Run("Update sets zones correctly", func(t *testing.T) {
-		resolver := NewResolver()
-
-		resolver.Update([]nbdns.CustomZone{
-			{Domain: "example.com.", Records: []nbdns.SimpleRecord{
-				{Name: "host.example.com.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"},
-			}},
-			{Domain: "test.local."},
-		})
-
-		assert.True(t, resolver.isInManagedZone("host.example.com."))
-		assert.True(t, resolver.isInManagedZone("other.example.com."))
-		assert.True(t, resolver.isInManagedZone("sub.test.local."))
-		assert.False(t, resolver.isInManagedZone("external.com."))
-	})
-
-	t.Run("isInManagedZone case insensitive", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{Domain: "Example.COM."}})
-
-		assert.True(t, resolver.isInManagedZone("host.example.com."))
-		assert.True(t, resolver.isInManagedZone("HOST.EXAMPLE.COM."))
-	})
-
-	t.Run("Update clears zones", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{Domain: "example.com."}})
-		assert.True(t, resolver.isInManagedZone("host.example.com."))
-
-		resolver.Update(nil)
-		assert.False(t, resolver.isInManagedZone("host.example.com."))
-	})
-}
-
-// TestLocalResolver_CNAMEZoneAwareResolution tests CNAME resolution with zone awareness
-func TestLocalResolver_CNAMEZoneAwareResolution(t *testing.T) {
-	t.Run("CNAME target in managed zone returns NXDOMAIN per RFC 6604", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "myzone.test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.myzone.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "nonexistent.myzone.test."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.myzone.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		assert.Equal(t, dns.RcodeNameError, resp.Rcode, "Should return NXDOMAIN")
-		require.Len(t, resp.Answer, 1, "Should include CNAME in answer")
-	})
-
-	t.Run("CNAME to external domain skips zone check", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.resolver = &mockResolver{
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				if host == "external.other.com." && network == "ip4" {
-					return []netip.Addr{netip.MustParseAddr("203.0.113.1")}, nil
-				}
-				return nil, nil
-			},
-		}
-
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "myzone.test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.myzone.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.other.com."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.myzone.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		assert.Equal(t, dns.RcodeSuccess, resp.Rcode)
-		require.Len(t, resp.Answer, 2, "Should have CNAME + A from external resolution")
-	})
-
-	t.Run("CNAME target exists with different type returns NODATA not NXDOMAIN", func(t *testing.T) {
-		resolver := NewResolver()
-		// CNAME points to target that has A but no AAAA - query for AAAA should be NODATA
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "myzone.test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.myzone.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "target.myzone.test."},
-				{Name: "target.myzone.test.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "1.1.1.1"},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.myzone.test.", dns.TypeAAAA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		assert.Equal(t, dns.RcodeSuccess, resp.Rcode, "Should return NODATA (success), not NXDOMAIN")
-		require.Len(t, resp.Answer, 1, "Should have only CNAME, no AAAA")
-		_, ok := resp.Answer[0].(*dns.CNAME)
-		assert.True(t, ok, "Answer should be CNAME record")
-	})
-
-	t.Run("external CNAME target exists but no AAAA records (NODATA)", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.resolver = &mockResolver{
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				if host == "external.example.com." {
-					if network == "ip6" {
-						// No AAAA records
-						return nil, &net.DNSError{IsNotFound: true, Name: host}
-					}
-					if network == "ip4" {
-						// But A records exist - domain exists
-						return []netip.Addr{netip.MustParseAddr("93.184.216.34")}, nil
-					}
-				}
-				return nil, &net.DNSError{IsNotFound: true, Name: host}
-			},
-		}
-
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.example.com."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.test.", dns.TypeAAAA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		assert.Equal(t, dns.RcodeSuccess, resp.Rcode, "Should return NODATA (success), not NXDOMAIN")
-		require.Len(t, resp.Answer, 1, "Should have only CNAME")
-		_, ok := resp.Answer[0].(*dns.CNAME)
-		assert.True(t, ok, "Answer should be CNAME record")
-	})
-
-	// Table-driven test for all external resolution outcomes
-	externalCases := []struct {
-		name           string
-		lookupFunc     func(context.Context, string, string) ([]netip.Addr, error)
-		expectedRcode  int
-		expectedAnswer int
-	}{
-		{
-			name: "external NXDOMAIN (both A and AAAA not found)",
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				return nil, &net.DNSError{IsNotFound: true, Name: host}
-			},
-			expectedRcode:  dns.RcodeNameError,
-			expectedAnswer: 1, // CNAME only
-		},
-		{
-			name: "external SERVFAIL (temporary error)",
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				return nil, &net.DNSError{IsTemporary: true, Name: host}
-			},
-			expectedRcode:  dns.RcodeServerFailure,
-			expectedAnswer: 1, // CNAME only
-		},
-		{
-			name: "external SERVFAIL (timeout)",
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				return nil, &net.DNSError{IsTimeout: true, Name: host}
-			},
-			expectedRcode:  dns.RcodeServerFailure,
-			expectedAnswer: 1, // CNAME only
-		},
-		{
-			name: "external SERVFAIL (generic error)",
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				return nil, fmt.Errorf("connection refused")
-			},
-			expectedRcode:  dns.RcodeServerFailure,
-			expectedAnswer: 1, // CNAME only
-		},
-		{
-			name: "external success with IPs",
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				if network == "ip4" {
-					return []netip.Addr{netip.MustParseAddr("93.184.216.34")}, nil
-				}
-				return nil, &net.DNSError{IsNotFound: true, Name: host}
-			},
-			expectedRcode:  dns.RcodeSuccess,
-			expectedAnswer: 2, // CNAME + A
-		},
-	}
-
-	for _, tc := range externalCases {
-		t.Run(tc.name, func(t *testing.T) {
-			resolver := NewResolver()
-			resolver.resolver = &mockResolver{lookupFunc: tc.lookupFunc}
-
-			resolver.Update([]nbdns.CustomZone{{
-				Domain: "test.",
-				Records: []nbdns.SimpleRecord{
-					{Name: "alias.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.example.com."},
-				},
-			}})
-
-			msg := new(dns.Msg).SetQuestion("alias.test.", dns.TypeA)
-			var resp *dns.Msg
-			resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-			require.NotNil(t, resp)
-			assert.Equal(t, tc.expectedRcode, resp.Rcode, "rcode mismatch")
-			assert.Len(t, resp.Answer, tc.expectedAnswer, "answer count mismatch")
-			if tc.expectedAnswer > 0 {
-				_, ok := resp.Answer[0].(*dns.CNAME)
-				assert.True(t, ok, "first answer should be CNAME")
-			}
-		})
-	}
-}
-
-// TestLocalResolver_Fallthrough verifies that non-authoritative zones
-// trigger fallthrough (Zero bit set) when no records match
-func TestLocalResolver_Fallthrough(t *testing.T) {
-	resolver := NewResolver()
-
-	record := nbdns.SimpleRecord{
-		Name:  "existing.custom.zone.",
-		Type:  int(dns.TypeA),
-		Class: nbdns.DefaultClass,
-		TTL:   300,
-		RData: "10.0.0.1",
-	}
-
-	testCases := []struct {
-		name              string
-		zones             []nbdns.CustomZone
-		queryName         string
-		expectFallthrough bool
-		expectRecord      bool
-	}{
-		{
-			name: "Authoritative zone returns NXDOMAIN without fallthrough",
-			zones: []nbdns.CustomZone{{
-				Domain:  "custom.zone.",
-				Records: []nbdns.SimpleRecord{record},
-			}},
-			queryName:         "nonexistent.custom.zone.",
-			expectFallthrough: false,
-			expectRecord:      false,
-		},
-		{
-			name: "Non-authoritative zone triggers fallthrough",
-			zones: []nbdns.CustomZone{{
-				Domain:           "custom.zone.",
-				Records:          []nbdns.SimpleRecord{record},
-				NonAuthoritative: true,
-			}},
-			queryName:         "nonexistent.custom.zone.",
-			expectFallthrough: true,
-			expectRecord:      false,
-		},
-		{
-			name: "Record found in non-authoritative zone returns normally",
-			zones: []nbdns.CustomZone{{
-				Domain:           "custom.zone.",
-				Records:          []nbdns.SimpleRecord{record},
-				NonAuthoritative: true,
-			}},
-			queryName:         "existing.custom.zone.",
-			expectFallthrough: false,
-			expectRecord:      true,
-		},
-		{
-			name: "Record found in authoritative zone returns normally",
-			zones: []nbdns.CustomZone{{
-				Domain:  "custom.zone.",
-				Records: []nbdns.SimpleRecord{record},
-			}},
-			queryName:         "existing.custom.zone.",
-			expectFallthrough: false,
-			expectRecord:      true,
-		},
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			resolver.Update(tc.zones)
-
-			var responseMSG *dns.Msg
-			responseWriter := &test.MockResponseWriter{
-				WriteMsgFunc: func(m *dns.Msg) error {
-					responseMSG = m
-					return nil
-				},
-			}
-
-			msg := new(dns.Msg).SetQuestion(tc.queryName, dns.TypeA)
-			resolver.ServeDNS(responseWriter, msg)
-
-			require.NotNil(t, responseMSG, "Should have received a response")
-
-			if tc.expectFallthrough {
-				assert.True(t, responseMSG.MsgHdr.Zero, "Zero bit should be set for fallthrough")
-				assert.Equal(t, dns.RcodeNameError, responseMSG.Rcode, "Should return NXDOMAIN")
-			} else {
-				assert.False(t, responseMSG.MsgHdr.Zero, "Zero bit should not be set")
-			}
-
-			if tc.expectRecord {
-				assert.Greater(t, len(responseMSG.Answer), 0, "Should have answer records")
-				assert.Equal(t, dns.RcodeSuccess, responseMSG.Rcode)
-			}
-		})
-	}
-}
-
-// TestLocalResolver_AuthoritativeFlag tests the AA flag behavior
-func TestLocalResolver_AuthoritativeFlag(t *testing.T) {
-	t.Run("direct record lookup is authoritative", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "example.com.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "host.example.com.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("host.example.com.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		assert.True(t, resp.Authoritative)
-	})
-
-	t.Run("external resolution is not authoritative", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.resolver = &mockResolver{
-			lookupFunc: func(_ context.Context, network, host string) ([]netip.Addr, error) {
-				if host == "external.example.com." && network == "ip4" {
-					return []netip.Addr{netip.MustParseAddr("93.184.216.34")}, nil
-				}
-				return nil, nil
-			},
-		}
-
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.example.com."},
-			},
-		}})
-
-		msg := new(dns.Msg).SetQuestion("alias.test.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		require.Len(t, resp.Answer, 2)
-		assert.False(t, resp.Authoritative)
-	})
-}
-
-// TestLocalResolver_Stop tests cleanup on Stop
-func TestLocalResolver_Stop(t *testing.T) {
-	t.Run("Stop clears all state", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "example.com.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "host.example.com.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"},
-			},
-		}})
-
-		resolver.Stop()
-
-		msg := new(dns.Msg).SetQuestion("host.example.com.", dns.TypeA)
-		var resp *dns.Msg
-		resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { resp = m; return nil }}, msg)
-
-		require.NotNil(t, resp)
-		assert.Len(t, resp.Answer, 0)
-		assert.False(t, resolver.isInManagedZone("host.example.com."))
-	})
-
-	t.Run("Stop is safe to call multiple times", func(t *testing.T) {
-		resolver := NewResolver()
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "example.com.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "host.example.com.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"},
-			},
-		}})
-
-		resolver.Stop()
-		resolver.Stop()
-		resolver.Stop()
-	})
-
-	t.Run("Stop cancels in-flight external resolution", func(t *testing.T) {
-		resolver := NewResolver()
-
-		lookupStarted := make(chan struct{})
-		lookupCtxCanceled := make(chan struct{})
-
-		resolver.resolver = &mockResolver{
-			lookupFunc: func(ctx context.Context, network, host string) ([]netip.Addr, error) {
-				close(lookupStarted)
-				<-ctx.Done()
-				close(lookupCtxCanceled)
-				return nil, ctx.Err()
-			},
-		}
-
-		resolver.Update([]nbdns.CustomZone{{
-			Domain: "test.",
-			Records: []nbdns.SimpleRecord{
-				{Name: "alias.test.", Type: int(dns.TypeCNAME), Class: nbdns.DefaultClass, TTL: 300, RData: "external.example.com."},
-			},
-		}})
-
-		done := make(chan struct{})
-		go func() {
-			msg := new(dns.Msg).SetQuestion("alias.test.", dns.TypeA)
-			resolver.ServeDNS(&test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { return nil }}, msg)
-			close(done)
-		}()
-
-		<-lookupStarted
-		resolver.Stop()
-
-		select {
-		case <-lookupCtxCanceled:
-		case <-time.After(time.Second):
-			t.Fatal("external lookup context was not canceled")
-		}
-
-		select {
-		case <-done:
-		case <-time.After(time.Second):
-			t.Fatal("ServeDNS did not return after Stop")
-		}
-	})
-}
-
-// TestLocalResolver_FallthroughCaseInsensitive verifies case-insensitive domain matching for fallthrough
-func TestLocalResolver_FallthroughCaseInsensitive(t *testing.T) {
-	resolver := NewResolver()
-
-	resolver.Update([]nbdns.CustomZone{{
-		Domain:           "EXAMPLE.COM.",
-		Records:          []nbdns.SimpleRecord{{Name: "host.example.com.", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "1.2.3.4"}},
-		NonAuthoritative: true,
-	}})
-
-	var responseMSG *dns.Msg
-	responseWriter := &test.MockResponseWriter{
-		WriteMsgFunc: func(m *dns.Msg) error {
-			responseMSG = m
-			return nil
-		},
-	}
-
-	msg := new(dns.Msg).SetQuestion("nonexistent.example.com.", dns.TypeA)
-	resolver.ServeDNS(responseWriter, msg)
-
-	require.NotNil(t, responseMSG)
-	assert.True(t, responseMSG.MsgHdr.Zero, "Should fallthrough for non-authoritative zone with case-insensitive match")
-}
-
-// BenchmarkFindZone_BestCase benchmarks zone lookup with immediate match (first label)
-func BenchmarkFindZone_BestCase(b *testing.B) {
-	resolver := NewResolver()
-
-	// Single zone that matches immediately
-	resolver.Update([]nbdns.CustomZone{{
-		Domain:           "example.com.",
-		NonAuthoritative: true,
-	}})
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		resolver.shouldFallthrough("example.com.")
-	}
-}
-
-// BenchmarkFindZone_WorstCase benchmarks zone lookup with many zones, no match, many labels
-func BenchmarkFindZone_WorstCase(b *testing.B) {
-	resolver := NewResolver()
-
-	// 100 zones that won't match
-	var zones []nbdns.CustomZone
-	for i := 0; i < 100; i++ {
-		zones = append(zones, nbdns.CustomZone{
-			Domain:           fmt.Sprintf("zone%d.internal.", i),
-			NonAuthoritative: true,
-		})
-	}
-	resolver.Update(zones)
-
-	// Query with many labels that won't match any zone
-	qname := "a.b.c.d.e.f.g.h.external.com."
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		resolver.shouldFallthrough(qname)
-	}
-}
-
-// BenchmarkFindZone_TypicalCase benchmarks typical usage: few zones, subdomain match
-func BenchmarkFindZone_TypicalCase(b *testing.B) {
-	resolver := NewResolver()
-
-	// Typical setup: peer zone (authoritative) + one user zone (non-authoritative)
-	resolver.Update([]nbdns.CustomZone{
-		{Domain: "netbird.cloud.", NonAuthoritative: false},
-		{Domain: "custom.local.", NonAuthoritative: true},
-	})
-
-	// Query for subdomain of user zone
-	qname := "myhost.custom.local."
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		resolver.shouldFallthrough(qname)
-	}
-}
-
-// BenchmarkIsInManagedZone_ManyZones benchmarks isInManagedZone with 100 zones
-func BenchmarkIsInManagedZone_ManyZones(b *testing.B) {
-	resolver := NewResolver()
-
-	var zones []nbdns.CustomZone
-	for i := 0; i < 100; i++ {
-		zones = append(zones, nbdns.CustomZone{
-			Domain: fmt.Sprintf("zone%d.internal.", i),
-		})
-	}
-	resolver.Update(zones)
-
-	// Query that matches zone50
-	qname := "host.zone50.internal."
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		resolver.isInManagedZone(qname)
-	}
-}
--- a/client/internal/dns/mgmt/mgmt.go
+++ b/client/internal/dns/mgmt/mgmt.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"net"
-	"net/netip"
 	"net/url"
 	"strings"
 	"sync"
@@ -27,11 +26,6 @@ type Resolver struct {
 	mutex         sync.RWMutex
 }

-type ipsResponse struct {
-	ips []netip.Addr
-	err error
-}
-
 // NewResolver creates a new management domains cache resolver.
 func NewResolver() *Resolver {
 	return &Resolver{
@@ -105,9 +99,9 @@ func (m *Resolver) AddDomain(ctx context.Context, d domain.Domain) error {
 	ctx, cancel := context.WithTimeout(ctx, dnsTimeout)
 	defer cancel()

-	ips, err := lookupIPWithExtraTimeout(ctx, d)
+	ips, err := net.DefaultResolver.LookupNetIP(ctx, "ip", d.PunycodeString())
 	if err != nil {
-		return err
+		return fmt.Errorf("resolve domain %s: %w", d.SafeString(), err)
 	}

 	var aRecords, aaaaRecords []dns.RR
@@ -165,36 +159,6 @@ func (m *Resolver) AddDomain(ctx context.Context, d domain.Domain) error {
 	return nil
 }

-func lookupIPWithExtraTimeout(ctx context.Context, d domain.Domain) ([]netip.Addr, error) {
-	log.Infof("looking up IP for mgmt domain=%s", d.SafeString())
-	defer log.Infof("done looking up IP for mgmt domain=%s", d.SafeString())
-	resultChan := make(chan *ipsResponse, 1)
-
-	go func() {
-		ips, err := net.DefaultResolver.LookupNetIP(ctx, "ip", d.PunycodeString())
-		resultChan <- &ipsResponse{
-			err: err,
-			ips: ips,
-		}
-	}()
-
-	var resp *ipsResponse
-
-	select {
-	case <-time.After(dnsTimeout + time.Millisecond*500):
-		log.Warnf("timed out waiting for IP for mgmt domain=%s", d.SafeString())
-		return nil, fmt.Errorf("timed out waiting for ips to be available for domain %s", d.SafeString())
-	case <-ctx.Done():
-		return nil, ctx.Err()
-	case resp = <-resultChan:
-	}
-
-	if resp.err != nil {
-		return nil, fmt.Errorf("resolve domain %s: %w", d.SafeString(), resp.err)
-	}
-	return resp.ips, nil
-}
-
 // PopulateFromConfig extracts and caches domains from the client configuration.
 func (m *Resolver) PopulateFromConfig(ctx context.Context, mgmtURL *url.URL) error {
 	if mgmtURL == nil {
--- a/client/internal/dns/resutil/resolve.go
+++ b/client/internal/dns/resutil/resolve.go
@@ -1,197 +0,0 @@
-// Package resutil provides shared DNS resolution utilities
-package resutil
-
-import (
-	"context"
-	"crypto/rand"
-	"encoding/hex"
-	"errors"
-	"net"
-	"net/netip"
-	"strings"
-
-	"github.com/miekg/dns"
-	log "github.com/sirupsen/logrus"
-)
-
-// GenerateRequestID creates a random 8-character hex string for request tracing.
-func GenerateRequestID() string {
-	bytes := make([]byte, 4)
-	if _, err := rand.Read(bytes); err != nil {
-		log.Errorf("generate request ID: %v", err)
-		return ""
-	}
-	return hex.EncodeToString(bytes)
-}
-
-// IPsToRRs converts a slice of IP addresses to DNS resource records.
-// IPv4 addresses become A records, IPv6 addresses become AAAA records.
-func IPsToRRs(name string, ips []netip.Addr, ttl uint32) []dns.RR {
-	var result []dns.RR
-
-	for _, ip := range ips {
-		if ip.Is6() {
-			result = append(result, &dns.AAAA{
-				Hdr: dns.RR_Header{
-					Name:   name,
-					Rrtype: dns.TypeAAAA,
-					Class:  dns.ClassINET,
-					Ttl:    ttl,
-				},
-				AAAA: ip.AsSlice(),
-			})
-		} else {
-			result = append(result, &dns.A{
-				Hdr: dns.RR_Header{
-					Name:   name,
-					Rrtype: dns.TypeA,
-					Class:  dns.ClassINET,
-					Ttl:    ttl,
-				},
-				A: ip.AsSlice(),
-			})
-		}
-	}
-
-	return result
-}
-
-// NetworkForQtype returns the network string ("ip4" or "ip6") for a DNS query type.
-// Returns empty string for unsupported types.
-func NetworkForQtype(qtype uint16) string {
-	switch qtype {
-	case dns.TypeA:
-		return "ip4"
-	case dns.TypeAAAA:
-		return "ip6"
-	default:
-		return ""
-	}
-}
-
-type resolver interface {
-	LookupNetIP(ctx context.Context, network, host string) ([]netip.Addr, error)
-}
-
-// chainedWriter is implemented by ResponseWriters that carry request metadata
-type chainedWriter interface {
-	RequestID() string
-	SetMeta(key, value string)
-}
-
-// GetRequestID extracts a request ID from the ResponseWriter if available,
-// otherwise generates a new one.
-func GetRequestID(w dns.ResponseWriter) string {
-	if cw, ok := w.(chainedWriter); ok {
-		if id := cw.RequestID(); id != "" {
-			return id
-		}
-	}
-	return GenerateRequestID()
-}
-
-// SetMeta sets metadata on the ResponseWriter if it supports it.
-func SetMeta(w dns.ResponseWriter, key, value string) {
-	if cw, ok := w.(chainedWriter); ok {
-		cw.SetMeta(key, value)
-	}
-}
-
-// LookupResult contains the result of an external DNS lookup
-type LookupResult struct {
-	IPs   []netip.Addr
-	Rcode int
-	Err   error // Original error for caller's logging needs
-}
-
-// LookupIP performs a DNS lookup and determines the appropriate rcode.
-func LookupIP(ctx context.Context, r resolver, network, host string, qtype uint16) LookupResult {
-	ips, err := r.LookupNetIP(ctx, network, host)
-	if err != nil {
-		return LookupResult{
-			Rcode: getRcodeForError(ctx, r, host, qtype, err),
-			Err:   err,
-		}
-	}
-
-	// Unmap IPv4-mapped IPv6 addresses that some resolvers may return
-	for i, ip := range ips {
-		ips[i] = ip.Unmap()
-	}
-
-	return LookupResult{
-		IPs:   ips,
-		Rcode: dns.RcodeSuccess,
-	}
-}
-
-func getRcodeForError(ctx context.Context, r resolver, host string, qtype uint16, err error) int {
-	var dnsErr *net.DNSError
-	if !errors.As(err, &dnsErr) {
-		return dns.RcodeServerFailure
-	}
-
-	if dnsErr.IsNotFound {
-		return getRcodeForNotFound(ctx, r, host, qtype)
-	}
-
-	return dns.RcodeServerFailure
-}
-
-// getRcodeForNotFound distinguishes between NXDOMAIN (domain doesn't exist) and NODATA
-// (domain exists but no records of requested type) by checking the opposite record type.
-//
-// musl libc (the reason we need this distinction) only queries A/AAAA pairs in getaddrinfo,
-// so checking the opposite A/AAAA type is sufficient. Other record types (MX, TXT, etc.)
-// are not queried by musl and don't need this handling.
-func getRcodeForNotFound(ctx context.Context, r resolver, domain string, originalQtype uint16) int {
-	// Try querying for a different record type to see if the domain exists
-	// If the original query was for AAAA, try A. If it was for A, try AAAA.
-	// This helps distinguish between NXDOMAIN and NODATA.
-	var alternativeNetwork string
-	switch originalQtype {
-	case dns.TypeAAAA:
-		alternativeNetwork = "ip4"
-	case dns.TypeA:
-		alternativeNetwork = "ip6"
-	default:
-		return dns.RcodeNameError
-	}
-
-	if _, err := r.LookupNetIP(ctx, alternativeNetwork, domain); err != nil {
-		var dnsErr *net.DNSError
-		if errors.As(err, &dnsErr) && dnsErr.IsNotFound {
-			// Alternative query also returned not found - domain truly doesn't exist
-			return dns.RcodeNameError
-		}
-		// Some other error (timeout, server failure, etc.) - can't determine, assume domain exists
-		return dns.RcodeSuccess
-	}
-
-	// Alternative query succeeded - domain exists but has no records of this type
-	return dns.RcodeSuccess
-}
-
-// FormatAnswers formats DNS resource records for logging.
-func FormatAnswers(answers []dns.RR) string {
-	if len(answers) == 0 {
-		return "[]"
-	}
-
-	parts := make([]string, 0, len(answers))
-	for _, rr := range answers {
-		switch r := rr.(type) {
-		case *dns.A:
-			parts = append(parts, r.A.String())
-		case *dns.AAAA:
-			parts = append(parts, r.AAAA.String())
-		case *dns.CNAME:
-			parts = append(parts, "CNAME:"+r.Target)
-		case *dns.PTR:
-			parts = append(parts, "PTR:"+r.Ptr)
-		default:
-			parts = append(parts, dns.TypeToString[rr.Header().Rrtype])
-		}
-	}
-	return "[" + strings.Join(parts, ", ") + "]"
-}
--- a/client/internal/dns/server.go
+++ b/client/internal/dns/server.go
@@ -80,7 +80,6 @@ type DefaultServer struct {
 	updateSerial       uint64
 	previousConfigHash uint64
 	currentConfig      HostDNSConfig
-	currentConfigHash  uint64
 	handlerChain       *HandlerChain
 	extraDomains       map[domain.Domain]int

@@ -208,7 +207,6 @@ func newDefaultServer(
 		hostsDNSHolder:    newHostsDNSHolder(),
 		hostManager:       &noopHostConfigurator{},
 		mgmtCacheResolver: mgmtCacheResolver,
-		currentConfigHash: ^uint64(0), // Initialize to max uint64 to ensure first config is always applied
 	}

 	// register with root zone, handler chain takes care of the routing
@@ -485,7 +483,7 @@ func (s *DefaultServer) applyConfiguration(update nbdns.Config) error {
 		}
 	}

-	localMuxUpdates, localZones, err := s.buildLocalHandlerUpdate(update.CustomZones)
+	localMuxUpdates, localRecords, err := s.buildLocalHandlerUpdate(update.CustomZones)
 	if err != nil {
 		return fmt.Errorf("local handler updater: %w", err)
 	}
@@ -498,7 +496,8 @@ func (s *DefaultServer) applyConfiguration(update nbdns.Config) error {

 	s.updateMux(muxUpdates)

-	s.localResolver.Update(localZones)
+	// register local records
+	s.localResolver.Update(localRecords)

 	s.currentConfig = dnsConfigToHostDNSConfig(update, s.service.RuntimeIP(), s.service.RuntimePort())

@@ -587,29 +586,8 @@ func (s *DefaultServer) applyHostConfig() {

 	log.Debugf("extra match domains: %v", maps.Keys(s.extraDomains))

-	hash, err := hashstructure.Hash(config, hashstructure.FormatV2, &hashstructure.HashOptions{
-		ZeroNil:         true,
-		IgnoreZeroValue: true,
-		SlicesAsSets:    true,
-		UseStringer:     true,
-	})
-	if err != nil {
-		log.Warnf("unable to hash the host dns configuration, will apply config anyway: %s", err)
-		// Fall through to apply config anyway (fail-safe approach)
-	} else if s.currentConfigHash == hash {
-		log.Debugf("not applying host config as there are no changes")
-		return
-	}
-
-	log.Debugf("applying host config as there are changes")
 	if err := s.hostManager.applyDNSConfig(config, s.stateManager); err != nil {
 		log.Errorf("failed to apply DNS host manager update: %v", err)
-		return
-	}
-
-	// Only update hash if it was computed successfully and config was applied
-	if err == nil {
-		s.currentConfigHash = hash
 	}

 	s.registerFallback(config)
@@ -631,7 +609,9 @@ func (s *DefaultServer) registerFallback(config HostDNSConfig) {

 	handler, err := newUpstreamResolver(
 		s.ctx,
-		s.wgInterface,
+		s.wgInterface.Name(),
+		s.wgInterface.Address().IP,
+		s.wgInterface.Address().Network,
 		s.statusRecorder,
 		s.hostsDNSHolder,
 		nbdns.RootZone,
@@ -656,9 +636,9 @@ func (s *DefaultServer) registerFallback(config HostDNSConfig) {
 	s.registerHandler([]string{nbdns.RootZone}, handler, PriorityFallback)
 }

-func (s *DefaultServer) buildLocalHandlerUpdate(customZones []nbdns.CustomZone) ([]handlerWrapper, []nbdns.CustomZone, error) {
+func (s *DefaultServer) buildLocalHandlerUpdate(customZones []nbdns.CustomZone) ([]handlerWrapper, []nbdns.SimpleRecord, error) {
 	var muxUpdates []handlerWrapper
-	var zones []nbdns.CustomZone
+	var localRecords []nbdns.SimpleRecord

 	for _, customZone := range customZones {
 		if len(customZone.Records) == 0 {
@@ -672,20 +652,17 @@ func (s *DefaultServer) buildLocalHandlerUpdate(customZones []nbdns.CustomZone)
 			priority: PriorityLocal,
 		})

-		// zone records contain the fqdn, so we can just flatten them
-		var localRecords []nbdns.SimpleRecord
 		for _, record := range customZone.Records {
 			if record.Class != nbdns.DefaultClass {
 				log.Warnf("received an invalid class type: %s", record.Class)
 				continue
 			}
+			// zone records contain the fqdn, so we can just flatten them
 			localRecords = append(localRecords, record)
 		}
-		customZone.Records = localRecords
-		zones = append(zones, customZone)
 	}

-	return muxUpdates, zones, nil
+	return muxUpdates, localRecords, nil
 }

 func (s *DefaultServer) buildUpstreamHandlerUpdate(nameServerGroups []*nbdns.NameServerGroup) ([]handlerWrapper, error) {
@@ -741,7 +718,9 @@ func (s *DefaultServer) createHandlersForDomainGroup(domainGroup nsGroupsByDomai
 		log.Debugf("creating handler for domain=%s with priority=%d", domainGroup.domain, priority)
 		handler, err := newUpstreamResolver(
 			s.ctx,
-			s.wgInterface,
+			s.wgInterface.Name(),
+			s.wgInterface.Address().IP,
+			s.wgInterface.Address().Network,
 			s.statusRecorder,
 			s.hostsDNSHolder,
 			domainGroup.domain,
@@ -922,7 +901,9 @@ func (s *DefaultServer) addHostRootZone() {

 	handler, err := newUpstreamResolver(
 		s.ctx,
-		s.wgInterface,
+		s.wgInterface.Name(),
+		s.wgInterface.Address().IP,
+		s.wgInterface.Address().Network,
 		s.statusRecorder,
 		s.hostsDNSHolder,
 		nbdns.RootZone,
--- a/client/internal/dns/server_test.go
+++ b/client/internal/dns/server_test.go
@@ -15,7 +15,6 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
-	"golang.zx2c4.com/wireguard/tun/netstack"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"

 	"github.com/netbirdio/netbird/client/firewall/uspfilter"
@@ -82,10 +81,6 @@ func (w *mocWGIface) GetStats(_ string) (configurer.WGStats, error) {
 	return configurer.WGStats{}, nil
 }

-func (w *mocWGIface) GetNet() *netstack.Net {
-	return nil
-}
-
 var zoneRecords = []nbdns.SimpleRecord{
 	{
 		Name:  "peera.netbird.cloud",
@@ -133,7 +128,7 @@ func TestUpdateDNSServer(t *testing.T) {
 	testCases := []struct {
 		name                string
 		initUpstreamMap     registeredHandlerMap
-		initLocalZones      []nbdns.CustomZone
+		initLocalRecords    []nbdns.SimpleRecord
 		initSerial          uint64
 		inputSerial         uint64
 		inputUpdate         nbdns.Config
@@ -185,8 +180,8 @@ func TestUpdateDNSServer(t *testing.T) {
 			expectedLocalQs: []dns.Question{{Name: "peera.netbird.cloud.", Qtype: dns.TypeA, Qclass: dns.ClassINET}},
 		},
 		{
-			name:           "New Config Should Succeed",
-			initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: 1, Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
+			name:             "New Config Should Succeed",
+			initLocalRecords: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: 1, Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}},
 			initUpstreamMap: registeredHandlerMap{
 				generateDummyHandler(zoneRecords[0].Name, nameServers).ID(): handlerWrapper{
 					domain:   "netbird.cloud",
@@ -226,19 +221,19 @@ func TestUpdateDNSServer(t *testing.T) {
 			expectedLocalQs: []dns.Question{{Name: zoneRecords[0].Name, Qtype: 1, Qclass: 1}},
 		},
 		{
-			name:            "Smaller Config Serial Should Be Skipped",
-			initLocalZones:  []nbdns.CustomZone{},
-			initUpstreamMap: make(registeredHandlerMap),
-			initSerial:      2,
-			inputSerial:     1,
-			shouldFail:      true,
+			name:             "Smaller Config Serial Should Be Skipped",
+			initLocalRecords: []nbdns.SimpleRecord{},
+			initUpstreamMap:  make(registeredHandlerMap),
+			initSerial:       2,
+			inputSerial:      1,
+			shouldFail:       true,
 		},
 		{
-			name:            "Empty NS Group Domain Or Not Primary Element Should Fail",
-			initLocalZones:  []nbdns.CustomZone{},
-			initUpstreamMap: make(registeredHandlerMap),
-			initSerial:      0,
-			inputSerial:     1,
+			name:             "Empty NS Group Domain Or Not Primary Element Should Fail",
+			initLocalRecords: []nbdns.SimpleRecord{},
+			initUpstreamMap:  make(registeredHandlerMap),
+			initSerial:       0,
+			inputSerial:      1,
 			inputUpdate: nbdns.Config{
 				ServiceEnable: true,
 				CustomZones: []nbdns.CustomZone{
@@ -256,11 +251,11 @@ func TestUpdateDNSServer(t *testing.T) {
 			shouldFail: true,
 		},
 		{
-			name:            "Invalid NS Group Nameservers list Should Fail",
-			initLocalZones:  []nbdns.CustomZone{},
-			initUpstreamMap: make(registeredHandlerMap),
-			initSerial:      0,
-			inputSerial:     1,
+			name:             "Invalid NS Group Nameservers list Should Fail",
+			initLocalRecords: []nbdns.SimpleRecord{},
+			initUpstreamMap:  make(registeredHandlerMap),
+			initSerial:       0,
+			inputSerial:      1,
 			inputUpdate: nbdns.Config{
 				ServiceEnable: true,
 				CustomZones: []nbdns.CustomZone{
@@ -278,11 +273,11 @@ func TestUpdateDNSServer(t *testing.T) {
 			shouldFail: true,
 		},
 		{
-			name:            "Invalid Custom Zone Records list Should Skip",
-			initLocalZones:  []nbdns.CustomZone{},
-			initUpstreamMap: make(registeredHandlerMap),
-			initSerial:      0,
-			inputSerial:     1,
+			name:             "Invalid Custom Zone Records list Should Skip",
+			initLocalRecords: []nbdns.SimpleRecord{},
+			initUpstreamMap:  make(registeredHandlerMap),
+			initSerial:       0,
+			inputSerial:      1,
 			inputUpdate: nbdns.Config{
 				ServiceEnable: true,
 				CustomZones: []nbdns.CustomZone{
@@ -304,8 +299,8 @@ func TestUpdateDNSServer(t *testing.T) {
 			}},
 		},
 		{
-			name:           "Empty Config Should Succeed and Clean Maps",
-			initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
+			name:             "Empty Config Should Succeed and Clean Maps",
+			initLocalRecords: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}},
 			initUpstreamMap: registeredHandlerMap{
 				generateDummyHandler(zoneRecords[0].Name, nameServers).ID(): handlerWrapper{
 					domain:   zoneRecords[0].Name,
@@ -320,8 +315,8 @@ func TestUpdateDNSServer(t *testing.T) {
 			expectedLocalQs:     []dns.Question{},
 		},
 		{
-			name:           "Disabled Service Should clean map",
-			initLocalZones: []nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}},
+			name:             "Disabled Service Should clean map",
+			initLocalRecords: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}},
 			initUpstreamMap: registeredHandlerMap{
 				generateDummyHandler(zoneRecords[0].Name, nameServers).ID(): handlerWrapper{
 					domain:   zoneRecords[0].Name,
@@ -390,7 +385,7 @@ func TestUpdateDNSServer(t *testing.T) {
 			}()

 			dnsServer.dnsMuxMap = testCase.initUpstreamMap
-			dnsServer.localResolver.Update(testCase.initLocalZones)
+			dnsServer.localResolver.Update(testCase.initLocalRecords)
 			dnsServer.updateSerial = testCase.initSerial

 			err = dnsServer.UpdateDNSServer(testCase.inputSerial, testCase.inputUpdate)
@@ -515,7 +510,8 @@ func TestDNSFakeResolverHandleUpdates(t *testing.T) {
 			priority: PriorityUpstream,
 		},
 	}
-	dnsServer.localResolver.Update([]nbdns.CustomZone{{Domain: "netbird.cloud", Records: []nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}}}})
+	//dnsServer.localResolver.RegisteredMap = local.RegistrationMap{local.BuildRecordKey("netbird.cloud", dns.ClassINET, dns.TypeA): struct{}{}}
+	dnsServer.localResolver.Update([]nbdns.SimpleRecord{{Name: "netbird.cloud", Type: int(dns.TypeA), Class: nbdns.DefaultClass, TTL: 300, RData: "10.0.0.1"}})
 	dnsServer.updateSerial = 0

 	nameServers := []nbdns.NameServer{
@@ -1606,10 +1602,7 @@ func TestExtraDomains(t *testing.T) {
 				"other.example.com.",
 				"duplicate.example.com.",
 			},
-			// Expect 3 calls instead of 4 because when deregistering duplicate.example.com,
-			// the domain remains in the config (ref count goes from 2 to 1), so the host
-			// config hash doesn't change and applyDNSConfig is not called.
-			applyHostConfigCall: 3,
+			applyHostConfigCall: 4,
 		},
 		{
 			name: "Config update with new domains after registration",
@@ -1664,10 +1657,7 @@ func TestExtraDomains(t *testing.T) {
 			expectedMatchOnly: []string{
 				"extra.example.com.",
 			},
-			// Expect 2 calls instead of 3 because when deregistering protected.example.com,
-			// it's removed from extraDomains but still remains in the config (from customZones),
-			// so the host config hash doesn't change and applyDNSConfig is not called.
-			applyHostConfigCall: 2,
+			applyHostConfigCall: 3,
 		},
 		{
 			name: "Register domain that is part of nameserver group",
@@ -2052,7 +2042,7 @@ func TestLocalResolverPriorityInServer(t *testing.T) {

 func TestLocalResolverPriorityConstants(t *testing.T) {
 	// Test that priority constants are ordered correctly
-	assert.Greater(t, PriorityDNSRoute, PriorityLocal, "DNS Route should be higher than Local priority")
+	assert.Greater(t, PriorityLocal, PriorityDNSRoute, "Local priority should be higher than DNS route")
 	assert.Greater(t, PriorityLocal, PriorityUpstream, "Local priority should be higher than upstream")
 	assert.Greater(t, PriorityUpstream, PriorityDefault, "Upstream priority should be higher than default")

--- a/client/internal/dns/upstream.go
+++ b/client/internal/dns/upstream.go
@@ -2,6 +2,7 @@ package dns

 import (
 	"context"
+	"crypto/rand"
 	"crypto/sha256"
 	"encoding/hex"
 	"errors"
@@ -18,10 +19,8 @@ import (
 	"github.com/hashicorp/go-multierror"
 	"github.com/miekg/dns"
 	log "github.com/sirupsen/logrus"
-	"golang.zx2c4.com/wireguard/tun/netstack"

 	"github.com/netbirdio/netbird/client/iface"
-	"github.com/netbirdio/netbird/client/internal/dns/resutil"
 	"github.com/netbirdio/netbird/client/internal/dns/types"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/proto"
@@ -114,7 +113,10 @@ func (u *upstreamResolverBase) Stop() {

 // ServeDNS handles a DNS request
 func (u *upstreamResolverBase) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
-	logger := log.WithField("request_id", resutil.GetRequestID(w))
+	requestID := GenerateRequestID()
+	logger := log.WithField("request_id", requestID)
+
+	logger.Tracef("received upstream question: domain=%s type=%v class=%v", r.Question[0].Name, r.Question[0].Qtype, r.Question[0].Qclass)

 	u.prepareRequest(r)

@@ -195,23 +197,16 @@ func (u *upstreamResolverBase) handleUpstreamError(err error, upstream netip.Add
 		timeoutMsg += " " + peerInfo
 	}
 	timeoutMsg += fmt.Sprintf(" - error: %v", err)
-	logger.Warn(timeoutMsg)
+	logger.Warnf(timeoutMsg)
 }

 func (u *upstreamResolverBase) writeSuccessResponse(w dns.ResponseWriter, rm *dns.Msg, upstream netip.AddrPort, domain string, t time.Duration, logger *log.Entry) bool {
 	u.successCount.Add(1)
-
-	resutil.SetMeta(w, "upstream", upstream.String())
-
-	// Clear Zero bit from external responses to prevent upstream servers from
-	// manipulating our internal fallthrough signaling mechanism
-	rm.MsgHdr.Zero = false
+	logger.Tracef("took %s to query the upstream %s for question domain=%s", t, upstream, domain)

 	if err := w.WriteMsg(rm); err != nil {
 		logger.Errorf("failed to write DNS response for question domain=%s: %s", domain, err)
-		return true
 	}
-
 	return true
 }

@@ -419,56 +414,16 @@ func ExchangeWithFallback(ctx context.Context, client *dns.Client, r *dns.Msg, u
 	return rm, t, nil
 }

-// ExchangeWithNetstack performs a DNS exchange using netstack for dialing.
-// This is needed when netstack is enabled to reach peer IPs through the tunnel.
-func ExchangeWithNetstack(ctx context.Context, nsNet *netstack.Net, r *dns.Msg, upstream string) (*dns.Msg, error) {
-	reply, err := netstackExchange(ctx, nsNet, r, upstream, "udp")
+func GenerateRequestID() string {
+	bytes := make([]byte, 4)
+	_, err := rand.Read(bytes)
 	if err != nil {
-		return nil, err
+		log.Errorf("failed to generate request ID: %v", err)
+		return ""
 	}
-
-	// If response is truncated, retry with TCP
-	if reply != nil && reply.MsgHdr.Truncated {
-		log.Tracef("udp response for domain=%s type=%v class=%v is truncated, trying TCP",
-			r.Question[0].Name, r.Question[0].Qtype, r.Question[0].Qclass)
-		return netstackExchange(ctx, nsNet, r, upstream, "tcp")
-	}
-
-	return reply, nil
+	return hex.EncodeToString(bytes)
 }

-func netstackExchange(ctx context.Context, nsNet *netstack.Net, r *dns.Msg, upstream, network string) (*dns.Msg, error) {
-	conn, err := nsNet.DialContext(ctx, network, upstream)
-	if err != nil {
-		return nil, fmt.Errorf("with %s: %w", network, err)
-	}
-	defer func() {
-		if err := conn.Close(); err != nil {
-			log.Debugf("failed to close DNS connection: %v", err)
-		}
-	}()
-
-	if deadline, ok := ctx.Deadline(); ok {
-		if err := conn.SetDeadline(deadline); err != nil {
-			return nil, fmt.Errorf("set deadline: %w", err)
-		}
-	}
-
-	dnsConn := &dns.Conn{Conn: conn}
-
-	if err := dnsConn.WriteMsg(r); err != nil {
-		return nil, fmt.Errorf("write %s message: %w", network, err)
-	}
-
-	reply, err := dnsConn.ReadMsg()
-	if err != nil {
-		return nil, fmt.Errorf("read %s message: %w", network, err)
-	}
-
-	return reply, nil
-}
-
-
 // FormatPeerStatus formats peer connection status information for debugging DNS timeouts
 func FormatPeerStatus(peerState *peer.State) string {
 	isConnected := peerState.ConnStatus == peer.StatusConnected
--- a/client/internal/dns/upstream_android.go
+++ b/client/internal/dns/upstream_android.go
@@ -23,7 +23,9 @@ type upstreamResolver struct {
 // first time, and we need to wait for a while to start to use again the proper DNS resolver.
 func newUpstreamResolver(
 	ctx context.Context,
-	_ WGIface,
+	_ string,
+	_ netip.Addr,
+	_ netip.Prefix,
 	statusRecorder *peer.Status,
 	hostsDNSHolder *hostsDNSHolder,
 	domain string,
--- a/client/internal/dns/upstream_general.go
+++ b/client/internal/dns/upstream_general.go
@@ -5,23 +5,22 @@ package dns
 import (
 	"context"
 	"net/netip"
-	"runtime"
 	"time"

 	"github.com/miekg/dns"
-	"golang.zx2c4.com/wireguard/tun/netstack"

 	"github.com/netbirdio/netbird/client/internal/peer"
 )

 type upstreamResolver struct {
 	*upstreamResolverBase
-	nsNet *netstack.Net
 }

 func newUpstreamResolver(
 	ctx context.Context,
-	wgIface WGIface,
+	_ string,
+	_ netip.Addr,
+	_ netip.Prefix,
 	statusRecorder *peer.Status,
 	_ *hostsDNSHolder,
 	domain string,
@@ -29,23 +28,12 @@ func newUpstreamResolver(
 	upstreamResolverBase := newUpstreamResolverBase(ctx, statusRecorder, domain)
 	nonIOS := &upstreamResolver{
 		upstreamResolverBase: upstreamResolverBase,
-		nsNet:                wgIface.GetNet(),
 	}
 	upstreamResolverBase.upstreamClient = nonIOS
 	return nonIOS, nil
 }

 func (u *upstreamResolver) exchange(ctx context.Context, upstream string, r *dns.Msg) (rm *dns.Msg, t time.Duration, err error) {
-	// TODO: Check if upstream DNS server is routed through a peer before using netstack.
-	// Similar to iOS logic, we should determine if the DNS server is reachable directly
-	// or needs to go through the tunnel, and only use netstack when necessary.
-	// For now, only use netstack on JS platform where direct access is not possible.
-	if u.nsNet != nil && runtime.GOOS == "js" {
-		start := time.Now()
-		reply, err := ExchangeWithNetstack(ctx, u.nsNet, r, upstream)
-		return reply, time.Since(start), err
-	}
-
 	client := &dns.Client{
 		Timeout: ClientTimeout,
 	}
--- a/client/internal/dns/upstream_ios.go
+++ b/client/internal/dns/upstream_ios.go
@@ -26,7 +26,9 @@ type upstreamResolverIOS struct {

 func newUpstreamResolver(
 	ctx context.Context,
-	wgIface WGIface,
+	interfaceName string,
+	ip netip.Addr,
+	net netip.Prefix,
 	statusRecorder *peer.Status,
 	_ *hostsDNSHolder,
 	domain string,
@@ -35,9 +37,9 @@ func newUpstreamResolver(

 	ios := &upstreamResolverIOS{
 		upstreamResolverBase: upstreamResolverBase,
-		lIP:                  wgIface.Address().IP,
-		lNet:                 wgIface.Address().Network,
-		interfaceName:        wgIface.Name(),
+		lIP:                  ip,
+		lNet:                 net,
+		interfaceName:        interfaceName,
 	}
 	ios.upstreamClient = ios

--- a/client/internal/dns/upstream_test.go
+++ b/client/internal/dns/upstream_test.go
@@ -2,17 +2,13 @@ package dns

 import (
 	"context"
-	"net"
 	"net/netip"
 	"strings"
 	"testing"
 	"time"

 	"github.com/miekg/dns"
-	"golang.zx2c4.com/wireguard/tun/netstack"

-	"github.com/netbirdio/netbird/client/iface/device"
-	"github.com/netbirdio/netbird/client/iface/wgaddr"
 	"github.com/netbirdio/netbird/client/internal/dns/test"
 )

@@ -62,7 +58,7 @@ func TestUpstreamResolver_ServeDNS(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.name, func(t *testing.T) {
 			ctx, cancel := context.WithCancel(context.TODO())
-			resolver, _ := newUpstreamResolver(ctx, &mockNetstackProvider{}, nil, nil, ".")
+			resolver, _ := newUpstreamResolver(ctx, "", netip.Addr{}, netip.Prefix{}, nil, nil, ".")
 			// Convert test servers to netip.AddrPort
 			var servers []netip.AddrPort
 			for _, server := range testCase.InputServers {
@@ -116,19 +112,6 @@ func TestUpstreamResolver_ServeDNS(t *testing.T) {
 	}
 }

-type mockNetstackProvider struct{}
-
-func (m *mockNetstackProvider) Name() string                      { return "mock" }
-func (m *mockNetstackProvider) Address() wgaddr.Address           { return wgaddr.Address{} }
-func (m *mockNetstackProvider) ToInterface() *net.Interface       { return nil }
-func (m *mockNetstackProvider) IsUserspaceBind() bool             { return false }
-func (m *mockNetstackProvider) GetFilter() device.PacketFilter    { return nil }
-func (m *mockNetstackProvider) GetDevice() *device.FilteredDevice { return nil }
-func (m *mockNetstackProvider) GetNet() *netstack.Net             { return nil }
-func (m *mockNetstackProvider) GetInterfaceGUIDString() (string, error) {
-	return "", nil
-}
-
 type mockUpstreamResolver struct {
 	r   *dns.Msg
 	rtt time.Duration
--- a/client/internal/dns/wgiface.go
+++ b/client/internal/dns/wgiface.go
@@ -5,8 +5,6 @@ package dns
 import (
 	"net"

-	"golang.zx2c4.com/wireguard/tun/netstack"
-
 	"github.com/netbirdio/netbird/client/iface/device"
 	"github.com/netbirdio/netbird/client/iface/wgaddr"
 )
@@ -19,5 +17,4 @@ type WGIface interface {
 	IsUserspaceBind() bool
 	GetFilter() device.PacketFilter
 	GetDevice() *device.FilteredDevice
-	GetNet() *netstack.Net
 }
--- a/client/internal/dns/wgiface_windows.go
+++ b/client/internal/dns/wgiface_windows.go
@@ -1,8 +1,6 @@
 package dns

 import (
-	"golang.zx2c4.com/wireguard/tun/netstack"
-
 	"github.com/netbirdio/netbird/client/iface/device"
 	"github.com/netbirdio/netbird/client/iface/wgaddr"
 )
@@ -14,6 +12,5 @@ type WGIface interface {
 	IsUserspaceBind() bool
 	GetFilter() device.PacketFilter
 	GetDevice() *device.FilteredDevice
-	GetNet() *netstack.Net
 	GetInterfaceGUIDString() (string, error)
 }
--- a/client/internal/dnsfwd/forwarder.go
+++ b/client/internal/dnsfwd/forwarder.go
@@ -18,7 +18,6 @@ import (

 	nberrors "github.com/netbirdio/netbird/client/errors"
 	firewall "github.com/netbirdio/netbird/client/firewall/manager"
-	"github.com/netbirdio/netbird/client/internal/dns/resutil"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/route"
 )
@@ -190,22 +189,29 @@ func (f *DNSForwarder) Close(ctx context.Context) error {
 	return nberrors.FormatErrorOrNil(result)
 }

-func (f *DNSForwarder) handleDNSQuery(logger *log.Entry, w dns.ResponseWriter, query *dns.Msg) *dns.Msg {
+func (f *DNSForwarder) handleDNSQuery(w dns.ResponseWriter, query *dns.Msg) *dns.Msg {
 	if len(query.Question) == 0 {
 		return nil
 	}
 	question := query.Question[0]
-	logger.Tracef("received DNS request for DNS forwarder: domain=%s type=%s class=%s",
-		question.Name, dns.TypeToString[question.Qtype], dns.ClassToString[question.Qclass])
+	log.Tracef("received DNS request for DNS forwarder: domain=%v type=%v class=%v",
+		question.Name, question.Qtype, question.Qclass)

 	domain := strings.ToLower(question.Name)

 	resp := query.SetReply(query)
-	network := resutil.NetworkForQtype(question.Qtype)
-	if network == "" {
+	var network string
+	switch question.Qtype {
+	case dns.TypeA:
+		network = "ip4"
+	case dns.TypeAAAA:
+		network = "ip6"
+	default:
+		// TODO: Handle other types
+
 		resp.Rcode = dns.RcodeNotImplemented
 		if err := w.WriteMsg(resp); err != nil {
-			logger.Errorf("failed to write DNS response: %v", err)
+			log.Errorf("failed to write DNS response: %v", err)
 		}
 		return nil
 	}
@@ -215,35 +221,28 @@ func (f *DNSForwarder) handleDNSQuery(logger *log.Entry, w dns.ResponseWriter, q
 	if mostSpecificResId == "" {
 		resp.Rcode = dns.RcodeRefused
 		if err := w.WriteMsg(resp); err != nil {
-			logger.Errorf("failed to write DNS response: %v", err)
+			log.Errorf("failed to write DNS response: %v", err)
 		}
 		return nil
 	}

 	ctx, cancel := context.WithTimeout(context.Background(), upstreamTimeout)
 	defer cancel()
-
-	result := resutil.LookupIP(ctx, f.resolver, network, domain, question.Qtype)
-	if result.Err != nil {
-		f.handleDNSError(ctx, logger, w, question, resp, domain, result)
+	ips, err := f.resolver.LookupNetIP(ctx, network, domain)
+	if err != nil {
+		f.handleDNSError(ctx, w, question, resp, domain, err)
 		return nil
 	}

-	f.updateInternalState(result.IPs, mostSpecificResId, matchingEntries)
-	resp.Answer = append(resp.Answer, resutil.IPsToRRs(domain, result.IPs, f.ttl)...)
-	f.cache.set(domain, question.Qtype, result.IPs)
+	f.updateInternalState(ips, mostSpecificResId, matchingEntries)
+	f.addIPsToResponse(resp, domain, ips)
+	f.cache.set(domain, question.Qtype, ips)

 	return resp
 }

 func (f *DNSForwarder) handleDNSQueryUDP(w dns.ResponseWriter, query *dns.Msg) {
-	startTime := time.Now()
-	logger := log.WithFields(log.Fields{
-		"request_id": resutil.GenerateRequestID(),
-		"dns_id":     fmt.Sprintf("%04x", query.Id),
-	})
-
-	resp := f.handleDNSQuery(logger, w, query)
+	resp := f.handleDNSQuery(w, query)
 	if resp == nil {
 		return
 	}
@@ -261,33 +260,19 @@ func (f *DNSForwarder) handleDNSQueryUDP(w dns.ResponseWriter, query *dns.Msg) {
 	}

 	if err := w.WriteMsg(resp); err != nil {
-		logger.Errorf("failed to write DNS response: %v", err)
-		return
+		log.Errorf("failed to write DNS response: %v", err)
 	}
-
-	logger.Tracef("response: domain=%s rcode=%s answers=%s took=%s",
-		query.Question[0].Name, dns.RcodeToString[resp.Rcode], resutil.FormatAnswers(resp.Answer), time.Since(startTime))
 }

 func (f *DNSForwarder) handleDNSQueryTCP(w dns.ResponseWriter, query *dns.Msg) {
-	startTime := time.Now()
-	logger := log.WithFields(log.Fields{
-		"request_id": resutil.GenerateRequestID(),
-		"dns_id":     fmt.Sprintf("%04x", query.Id),
-	})
-
-	resp := f.handleDNSQuery(logger, w, query)
+	resp := f.handleDNSQuery(w, query)
 	if resp == nil {
 		return
 	}

 	if err := w.WriteMsg(resp); err != nil {
-		logger.Errorf("failed to write DNS response: %v", err)
-		return
+		log.Errorf("failed to write DNS response: %v", err)
 	}
-
-	logger.Tracef("response: domain=%s rcode=%s answers=%s took=%s",
-		query.Question[0].Name, dns.RcodeToString[resp.Rcode], resutil.FormatAnswers(resp.Answer), time.Since(startTime))
 }

 func (f *DNSForwarder) updateInternalState(ips []netip.Addr, mostSpecificResId route.ResID, matchingEntries []*ForwarderEntry) {
@@ -325,64 +310,140 @@ func (f *DNSForwarder) updateFirewall(matchingEntries []*ForwarderEntry, prefixe
 	}
 }

+// setResponseCodeForNotFound determines and sets the appropriate response code when IsNotFound is true
+// It distinguishes between NXDOMAIN (domain doesn't exist) and NODATA (domain exists but no records of requested type)
+//
+// LIMITATION: This function only checks A and AAAA record types to determine domain existence.
+// If a domain has only other record types (MX, TXT, CNAME, etc.) but no A/AAAA records,
+// it may incorrectly return NXDOMAIN instead of NODATA. This is acceptable since the forwarder
+// only handles A/AAAA queries and returns NOTIMP for other types.
+func (f *DNSForwarder) setResponseCodeForNotFound(ctx context.Context, resp *dns.Msg, domain string, originalQtype uint16) {
+	// Try querying for a different record type to see if the domain exists
+	// If the original query was for AAAA, try A. If it was for A, try AAAA.
+	// This helps distinguish between NXDOMAIN and NODATA.
+	var alternativeNetwork string
+	switch originalQtype {
+	case dns.TypeAAAA:
+		alternativeNetwork = "ip4"
+	case dns.TypeA:
+		alternativeNetwork = "ip6"
+	default:
+		resp.Rcode = dns.RcodeNameError
+		return
+	}
+
+	if _, err := f.resolver.LookupNetIP(ctx, alternativeNetwork, domain); err != nil {
+		var dnsErr *net.DNSError
+		if errors.As(err, &dnsErr) && dnsErr.IsNotFound {
+			// Alternative query also returned not found - domain truly doesn't exist
+			resp.Rcode = dns.RcodeNameError
+			return
+		}
+		// Some other error (timeout, server failure, etc.) - can't determine, assume domain exists
+		resp.Rcode = dns.RcodeSuccess
+		return
+	}
+
+	// Alternative query succeeded - domain exists but has no records of this type
+	resp.Rcode = dns.RcodeSuccess
+}
+
 // handleDNSError processes DNS lookup errors and sends an appropriate error response.
 func (f *DNSForwarder) handleDNSError(
 	ctx context.Context,
-	logger *log.Entry,
 	w dns.ResponseWriter,
 	question dns.Question,
 	resp *dns.Msg,
 	domain string,
-	result resutil.LookupResult,
+	err error,
 ) {
+	// Default to SERVFAIL; override below when appropriate.
+	resp.Rcode = dns.RcodeServerFailure
+
 	qType := question.Qtype
 	qTypeName := dns.TypeToString[qType]

-	resp.Rcode = result.Rcode
-
-	// NotFound: cache negative result and respond
-	if result.Rcode == dns.RcodeNameError || result.Rcode == dns.RcodeSuccess {
-		f.cache.set(domain, question.Qtype, nil)
+	// Prefer typed DNS errors; fall back to generic logging otherwise.
+	var dnsErr *net.DNSError
+	if !errors.As(err, &dnsErr) {
+		log.Warnf(errResolveFailed, domain, err)
 		if writeErr := w.WriteMsg(resp); writeErr != nil {
-			logger.Errorf("failed to write failure DNS response: %v", writeErr)
+			log.Errorf("failed to write failure DNS response: %v", writeErr)
 		}
 		return
 	}

+	// NotFound: set NXDOMAIN / appropriate code via helper.
+	if dnsErr.IsNotFound {
+		f.setResponseCodeForNotFound(ctx, resp, domain, qType)
+		if writeErr := w.WriteMsg(resp); writeErr != nil {
+			log.Errorf("failed to write failure DNS response: %v", writeErr)
+		}
+		f.cache.set(domain, question.Qtype, nil)
+		return
+	}
+
 	// Upstream failed but we might have a cached answer—serve it if present.
 	if ips, ok := f.cache.get(domain, qType); ok {
 		if len(ips) > 0 {
-			logger.Debugf("serving cached DNS response after upstream failure: domain=%s type=%s", domain, qTypeName)
-			resp.Answer = append(resp.Answer, resutil.IPsToRRs(domain, ips, f.ttl)...)
+			log.Debugf("serving cached DNS response after upstream failure: domain=%s type=%s", domain, qTypeName)
+			f.addIPsToResponse(resp, domain, ips)
 			resp.Rcode = dns.RcodeSuccess
 			if writeErr := w.WriteMsg(resp); writeErr != nil {
-				logger.Errorf("failed to write cached DNS response: %v", writeErr)
+				log.Errorf("failed to write cached DNS response: %v", writeErr)
 			}
-			return
-		}
-
-		// Cached negative result - re-verify NXDOMAIN vs NODATA
-		verifyResult := resutil.LookupIP(ctx, f.resolver, resutil.NetworkForQtype(qType), domain, qType)
-		if verifyResult.Rcode == dns.RcodeNameError || verifyResult.Rcode == dns.RcodeSuccess {
-			resp.Rcode = verifyResult.Rcode
+		} else { // send NXDOMAIN / appropriate code if cache is empty
+			f.setResponseCodeForNotFound(ctx, resp, domain, qType)
 			if writeErr := w.WriteMsg(resp); writeErr != nil {
-				logger.Errorf("failed to write failure DNS response: %v", writeErr)
+				log.Errorf("failed to write failure DNS response: %v", writeErr)
 			}
-			return
 		}
+		return
 	}

-	// No cache or verification failed. Log with or without the server field for more context.
-	var dnsErr *net.DNSError
-	if errors.As(result.Err, &dnsErr) && dnsErr.Server != "" {
-		logger.Warnf("failed to resolve: type=%s domain=%s server=%s: %v", qTypeName, domain, dnsErr.Server, result.Err)
+	// No cache. Log with or without the server field for more context.
+	if dnsErr.Server != "" {
+		log.Warnf("failed to resolve: type=%s domain=%s server=%s: %v", qTypeName, domain, dnsErr.Server, err)
 	} else {
-		logger.Warnf(errResolveFailed, domain, result.Err)
+		log.Warnf(errResolveFailed, domain, err)
 	}

 	// Write final failure response.
 	if writeErr := w.WriteMsg(resp); writeErr != nil {
-		logger.Errorf("failed to write failure DNS response: %v", writeErr)
+		log.Errorf("failed to write failure DNS response: %v", writeErr)
+	}
+}
+
+// addIPsToResponse adds IP addresses to the DNS response as appropriate A or AAAA records
+func (f *DNSForwarder) addIPsToResponse(resp *dns.Msg, domain string, ips []netip.Addr) {
+	for _, ip := range ips {
+		var respRecord dns.RR
+		if ip.Is6() {
+			log.Tracef("resolved domain=%s to IPv6=%s", domain, ip)
+			rr := dns.AAAA{
+				AAAA: ip.AsSlice(),
+				Hdr: dns.RR_Header{
+					Name:   domain,
+					Rrtype: dns.TypeAAAA,
+					Class:  dns.ClassINET,
+					Ttl:    f.ttl,
+				},
+			}
+			respRecord = &rr
+		} else {
+			log.Tracef("resolved domain=%s to IPv4=%s", domain, ip)
+			rr := dns.A{
+				A: ip.AsSlice(),
+				Hdr: dns.RR_Header{
+					Name:   domain,
+					Rrtype: dns.TypeA,
+					Class:  dns.ClassINET,
+					Ttl:    f.ttl,
+				},
+			}
+			respRecord = &rr
+		}
+		resp.Answer = append(resp.Answer, respRecord)
 	}
 }

--- a/client/internal/dnsfwd/forwarder_test.go
+++ b/client/internal/dnsfwd/forwarder_test.go
@@ -10,7 +10,6 @@ import (
 	"time"

 	"github.com/miekg/dns"
-	log "github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
@@ -318,7 +317,7 @@ func TestDNSForwarder_UnauthorizedDomainAccess(t *testing.T) {
 			query.SetQuestion(dns.Fqdn(tt.queryDomain), dns.TypeA)

 			mockWriter := &test.MockResponseWriter{}
-			resp := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), mockWriter, query)
+			resp := forwarder.handleDNSQuery(mockWriter, query)

 			if tt.shouldResolve {
 				require.NotNil(t, resp, "Expected response for authorized domain")
@@ -466,7 +465,7 @@ func TestDNSForwarder_FirewallSetUpdates(t *testing.T) {
 			dnsQuery.SetQuestion(dns.Fqdn(tt.query), dns.TypeA)

 			mockWriter := &test.MockResponseWriter{}
-			resp := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), mockWriter, dnsQuery)
+			resp := forwarder.handleDNSQuery(mockWriter, dnsQuery)

 			// Verify response
 			if tt.shouldResolve {
@@ -528,7 +527,7 @@ func TestDNSForwarder_MultipleIPsInSingleUpdate(t *testing.T) {
 	query.SetQuestion("example.com.", dns.TypeA)

 	mockWriter := &test.MockResponseWriter{}
-	resp := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), mockWriter, query)
+	resp := forwarder.handleDNSQuery(mockWriter, query)

 	// Verify response contains all IPs
 	require.NotNil(t, resp)
@@ -605,7 +604,7 @@ func TestDNSForwarder_ResponseCodes(t *testing.T) {
 				},
 			}

-			_ = forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), mockWriter, query)
+			_ = forwarder.handleDNSQuery(mockWriter, query)

 			// Check the response written to the writer
 			require.NotNil(t, writtenResp, "Expected response to be written")
@@ -675,7 +674,7 @@ func TestDNSForwarder_ServeFromCacheOnUpstreamFailure(t *testing.T) {
 	q1 := &dns.Msg{}
 	q1.SetQuestion(dns.Fqdn("example.com"), dns.TypeA)
 	w1 := &test.MockResponseWriter{}
-	resp1 := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), w1, q1)
+	resp1 := forwarder.handleDNSQuery(w1, q1)
 	require.NotNil(t, resp1)
 	require.Equal(t, dns.RcodeSuccess, resp1.Rcode)
 	require.Len(t, resp1.Answer, 1)
@@ -685,7 +684,7 @@ func TestDNSForwarder_ServeFromCacheOnUpstreamFailure(t *testing.T) {
 	q2.SetQuestion(dns.Fqdn("example.com"), dns.TypeA)
 	var writtenResp *dns.Msg
 	w2 := &test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { writtenResp = m; return nil }}
-	_ = forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), w2, q2)
+	_ = forwarder.handleDNSQuery(w2, q2)

 	require.NotNil(t, writtenResp, "expected response to be written")
 	require.Equal(t, dns.RcodeSuccess, writtenResp.Rcode)
@@ -715,7 +714,7 @@ func TestDNSForwarder_CacheNormalizationCasingAndDot(t *testing.T) {
 	q1 := &dns.Msg{}
 	q1.SetQuestion(mixedQuery+".", dns.TypeA)
 	w1 := &test.MockResponseWriter{}
-	resp1 := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), w1, q1)
+	resp1 := forwarder.handleDNSQuery(w1, q1)
 	require.NotNil(t, resp1)
 	require.Equal(t, dns.RcodeSuccess, resp1.Rcode)
 	require.Len(t, resp1.Answer, 1)
@@ -729,7 +728,7 @@ func TestDNSForwarder_CacheNormalizationCasingAndDot(t *testing.T) {
 	q2.SetQuestion("EXAMPLE.COM", dns.TypeA)
 	var writtenResp *dns.Msg
 	w2 := &test.MockResponseWriter{WriteMsgFunc: func(m *dns.Msg) error { writtenResp = m; return nil }}
-	_ = forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), w2, q2)
+	_ = forwarder.handleDNSQuery(w2, q2)

 	require.NotNil(t, writtenResp)
 	require.Equal(t, dns.RcodeSuccess, writtenResp.Rcode)
@@ -784,7 +783,7 @@ func TestDNSForwarder_MultipleOverlappingPatterns(t *testing.T) {
 	query.SetQuestion("smtp.mail.example.com.", dns.TypeA)

 	mockWriter := &test.MockResponseWriter{}
-	resp := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), mockWriter, query)
+	resp := forwarder.handleDNSQuery(mockWriter, query)

 	require.NotNil(t, resp)
 	assert.Equal(t, dns.RcodeSuccess, resp.Rcode)
@@ -905,7 +904,7 @@ func TestDNSForwarder_NodataVsNxdomain(t *testing.T) {
 				},
 			}

-			resp := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), mockWriter, query)
+			resp := forwarder.handleDNSQuery(mockWriter, query)

 			// If a response was returned, it means it should be written (happens in wrapper functions)
 			if resp != nil && writtenResp == nil {
@@ -938,7 +937,7 @@ func TestDNSForwarder_EmptyQuery(t *testing.T) {
 			return nil
 		},
 	}
-	resp := forwarder.handleDNSQuery(log.NewEntry(log.StandardLogger()), mockWriter, query)
+	resp := forwarder.handleDNSQuery(mockWriter, query)

 	assert.Nil(t, resp, "Should return nil for empty query")
 	assert.False(t, writeCalled, "Should not write response for empty query")
--- a/client/internal/engine.go
+++ b/client/internal/engine.go
@@ -42,13 +42,14 @@ import (
 	"github.com/netbirdio/netbird/client/internal/peer/guard"
 	icemaker "github.com/netbirdio/netbird/client/internal/peer/ice"
 	"github.com/netbirdio/netbird/client/internal/peerstore"
+	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	"github.com/netbirdio/netbird/client/internal/relay"
 	"github.com/netbirdio/netbird/client/internal/rosenpass"
 	"github.com/netbirdio/netbird/client/internal/routemanager"
 	"github.com/netbirdio/netbird/client/internal/routemanager/systemops"
 	"github.com/netbirdio/netbird/client/internal/statemanager"
-	"github.com/netbirdio/netbird/client/internal/updatemanager"
 	cProto "github.com/netbirdio/netbird/client/proto"
+	sshconfig "github.com/netbirdio/netbird/client/ssh/config"
 	"github.com/netbirdio/netbird/shared/management/domain"
 	semaphoregroup "github.com/netbirdio/netbird/util/semaphore-group"

@@ -72,7 +73,6 @@ const (
 	PeerConnectionTimeoutMax = 45000 // ms
 	PeerConnectionTimeoutMin = 30000 // ms
 	connInitLimit            = 200
-	disableAutoUpdate        = "disabled"
 )

 var ErrResetConnection = fmt.Errorf("reset connection")
@@ -201,9 +201,6 @@ type Engine struct {
 	connSemaphore       *semaphoregroup.SemaphoreGroup
 	flowManager         nftypes.FlowManager

-	// auto-update
-	updateManager *updatemanager.Manager
-
 	// WireGuard interface monitor
 	wgIfaceMonitor *WGIfaceMonitor

@@ -224,7 +221,17 @@ type localIpUpdater interface {
 }

 // NewEngine creates a new Connection Engine with probes attached
-func NewEngine(clientCtx context.Context, clientCancel context.CancelFunc, signalClient signal.Client, mgmClient mgm.Client, relayManager *relayClient.Manager, config *EngineConfig, mobileDep MobileDependency, statusRecorder *peer.Status, checks []*mgmProto.Checks, stateManager *statemanager.Manager) *Engine {
+func NewEngine(
+	clientCtx context.Context,
+	clientCancel context.CancelFunc,
+	signalClient signal.Client,
+	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
+	config *EngineConfig,
+	mobileDep MobileDependency,
+	statusRecorder *peer.Status,
+	checks []*mgmProto.Checks,
+) *Engine {
 	engine := &Engine{
 		clientCtx:      clientCtx,
 		clientCancel:   clientCancel,
@@ -240,12 +247,28 @@ func NewEngine(clientCtx context.Context, clientCancel context.CancelFunc, signa
 		TURNs:          []*stun.URI{},
 		networkSerial:  0,
 		statusRecorder: statusRecorder,
-		stateManager:   stateManager,
 		checks:         checks,
 		connSemaphore:  semaphoregroup.NewSemaphoreGroup(connInitLimit),
 		probeStunTurn:  relay.NewStunTurnProbe(relay.DefaultCacheTTL),
 	}

+	sm := profilemanager.NewServiceManager("")
+
+	path := sm.GetStatePath()
+	if runtime.GOOS == "ios" {
+		if !fileExists(mobileDep.StateFilePath) {
+			err := createFile(mobileDep.StateFilePath)
+			if err != nil {
+				log.Errorf("failed to create state file: %v", err)
+				// we are not exiting as we can run without the state manager
+			}
+		}
+
+		path = mobileDep.StateFilePath
+	}
+	engine.stateManager = statemanager.New(path)
+	engine.stateManager.RegisterState(&sshconfig.ShutdownState{})
+
 	log.Infof("I am: %s", config.WgPrivateKey.PublicKey().String())
 	return engine
 }
@@ -257,6 +280,7 @@ func (e *Engine) Stop() error {
 		return nil
 	}
 	e.syncMsgMux.Lock()
+	defer e.syncMsgMux.Unlock()

 	if e.connMgr != nil {
 		e.connMgr.Close()
@@ -274,6 +298,9 @@ func (e *Engine) Stop() error {

 	e.cleanupSSHConfig()

+	// stop/restore DNS first so dbus and friends don't complain because of a missing interface
+	e.stopDNSServer()
+
 	if e.ingressGatewayMgr != nil {
 		if err := e.ingressGatewayMgr.Close(); err != nil {
 			log.Warnf("failed to cleanup forward rules: %v", err)
@@ -281,32 +308,23 @@ func (e *Engine) Stop() error {
 		e.ingressGatewayMgr = nil
 	}

-	if e.srWatcher != nil {
-		e.srWatcher.Close()
-	}
-
-	if e.updateManager != nil {
-		e.updateManager.Stop()
-	}
-
-	log.Info("cleaning up status recorder states")
-	e.statusRecorder.ReplaceOfflinePeers([]peer.State{})
-	e.statusRecorder.UpdateDNSStates([]peer.NSGroupState{})
-	e.statusRecorder.UpdateRelayStates([]relay.ProbeResult{})
-
-	if err := e.removeAllPeers(); err != nil {
-		log.Errorf("failed to remove all peers: %s", err)
-	}
+	e.stopDNSForwarder()

 	if e.routeManager != nil {
 		e.routeManager.Stop(e.stateManager)
 	}

-	e.stopDNSForwarder()
+	if e.srWatcher != nil {
+		e.srWatcher.Close()
+	}

-	// stop/restore DNS after peers are closed but before interface goes down
-	// so dbus and friends don't complain because of a missing interface
-	e.stopDNSServer()
+	e.statusRecorder.ReplaceOfflinePeers([]peer.State{})
+	e.statusRecorder.UpdateDNSStates([]peer.NSGroupState{})
+	e.statusRecorder.UpdateRelayStates([]relay.ProbeResult{})
+
+	if err := e.removeAllPeers(); err != nil {
+		return fmt.Errorf("failed to remove all peers: %s", err)
+	}

 	if e.cancel != nil {
 		e.cancel()
@@ -319,18 +337,16 @@ func (e *Engine) Stop() error {
 		e.flowManager.Close()
 	}

-	stateCtx, stateCancel := context.WithTimeout(context.Background(), 3*time.Second)
-	defer stateCancel()
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()

-	if err := e.stateManager.Stop(stateCtx); err != nil {
-		log.Errorf("failed to stop state manager: %v", err)
+	if err := e.stateManager.Stop(ctx); err != nil {
+		return fmt.Errorf("failed to stop state manager: %w", err)
 	}
 	if err := e.stateManager.PersistState(context.Background()); err != nil {
 		log.Errorf("failed to persist state: %v", err)
 	}

-	e.syncMsgMux.Unlock()
-
 	timeout := e.calculateShutdownTimeout()
 	log.Debugf("waiting for goroutines to finish with timeout: %v", timeout)
 	shutdownCtx, cancel := context.WithTimeout(context.Background(), timeout)
@@ -416,7 +432,8 @@ func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL)
 		if err != nil {
 			return fmt.Errorf("create rosenpass manager: %w", err)
 		}
-		if err := e.rpManager.Run(); err != nil {
+		err := e.rpManager.Run()
+		if err != nil {
 			return fmt.Errorf("run rosenpass manager: %w", err)
 		}
 	}
@@ -468,7 +485,6 @@ func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL)
 	}

 	if err := e.createFirewall(); err != nil {
-		e.close()
 		return err
 	}

@@ -522,13 +538,6 @@ func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL)
 	return nil
 }

-func (e *Engine) InitialUpdateHandling(autoUpdateSettings *mgmProto.AutoUpdateSettings) {
-	e.syncMsgMux.Lock()
-	defer e.syncMsgMux.Unlock()
-
-	e.handleAutoUpdateVersion(autoUpdateSettings, true)
-}
-
 func (e *Engine) createFirewall() error {
 	if e.config.DisableFirewall {
 		log.Infof("firewall is disabled")
@@ -737,54 +746,10 @@ func (e *Engine) PopulateNetbirdConfig(netbirdConfig *mgmProto.NetbirdConfig, mg
 	return nil
 }

-func (e *Engine) handleAutoUpdateVersion(autoUpdateSettings *mgmProto.AutoUpdateSettings, initialCheck bool) {
-	if autoUpdateSettings == nil {
-		return
-	}
-
-	disabled := autoUpdateSettings.Version == disableAutoUpdate
-
-	// Stop and cleanup if disabled
-	if e.updateManager != nil && disabled {
-		log.Infof("auto-update is disabled, stopping update manager")
-		e.updateManager.Stop()
-		e.updateManager = nil
-		return
-	}
-
-	// Skip check unless AlwaysUpdate is enabled or this is the initial check at startup
-	if !autoUpdateSettings.AlwaysUpdate && !initialCheck {
-		log.Debugf("skipping auto-update check, AlwaysUpdate is false and this is not the initial check")
-		return
-	}
-
-	// Start manager if needed
-	if e.updateManager == nil {
-		log.Infof("starting auto-update manager")
-		updateManager, err := updatemanager.NewManager(e.statusRecorder, e.stateManager)
-		if err != nil {
-			return
-		}
-		e.updateManager = updateManager
-		e.updateManager.Start(e.ctx)
-	}
-	log.Infof("handling auto-update version: %s", autoUpdateSettings.Version)
-	e.updateManager.SetVersion(autoUpdateSettings.Version)
-}
-
 func (e *Engine) handleSync(update *mgmProto.SyncResponse) error {
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()

-	// Check context INSIDE lock to ensure atomicity with shutdown
-	if e.ctx.Err() != nil {
-		return e.ctx.Err()
-	}
-
-	if update.NetworkMap != nil && update.NetworkMap.PeerConfig != nil {
-		e.handleAutoUpdateVersion(update.NetworkMap.PeerConfig.AutoUpdate, false)
-	}
-
 	if update.GetNetbirdConfig() != nil {
 		wCfg := update.GetNetbirdConfig()
 		err := e.updateTURNs(wCfg.GetTurns())
@@ -1121,15 +1086,6 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {

 	e.updateOfflinePeers(networkMap.GetOfflinePeers())

-	// Filter out own peer from the remote peers list
-	localPubKey := e.config.WgPrivateKey.PublicKey().String()
-	remotePeers := make([]*mgmProto.RemotePeerConfig, 0, len(networkMap.GetRemotePeers()))
-	for _, p := range networkMap.GetRemotePeers() {
-		if p.GetWgPubKey() != localPubKey {
-			remotePeers = append(remotePeers, p)
-		}
-	}
-
 	// cleanup request, most likely our peer has been deleted
 	if networkMap.GetRemotePeersIsEmpty() {
 		err := e.removeAllPeers()
@@ -1138,34 +1094,32 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
 			return err
 		}
 	} else {
-		err := e.removePeers(remotePeers)
+		err := e.removePeers(networkMap.GetRemotePeers())
 		if err != nil {
 			return err
 		}

-		err = e.modifyPeers(remotePeers)
+		err = e.modifyPeers(networkMap.GetRemotePeers())
 		if err != nil {
 			return err
 		}

-		err = e.addNewPeers(remotePeers)
+		err = e.addNewPeers(networkMap.GetRemotePeers())
 		if err != nil {
 			return err
 		}

 		e.statusRecorder.FinishPeerListModifications()

-		e.updatePeerSSHHostKeys(remotePeers)
+		e.updatePeerSSHHostKeys(networkMap.GetRemotePeers())

-		if err := e.updateSSHClientConfig(remotePeers); err != nil {
+		if err := e.updateSSHClientConfig(networkMap.GetRemotePeers()); err != nil {
 			log.Warnf("failed to update SSH client config: %v", err)
 		}
-
-		e.updateSSHServerAuth(networkMap.GetSshAuth())
 	}

 	// must set the exclude list after the peers are added. Without it the manager can not figure out the peers parameters from the store
-	excludedLazyPeers := e.toExcludedLazyPeers(forwardingRules, remotePeers)
+	excludedLazyPeers := e.toExcludedLazyPeers(forwardingRules, networkMap.GetRemotePeers())
 	e.connMgr.SetExcludeList(e.ctx, excludedLazyPeers)

 	e.networkSerial = serial
@@ -1238,7 +1192,6 @@ func toRouteDomains(myPubKey string, routes []*route.Route) []*dnsfwd.ForwarderE
 }

 func toDNSConfig(protoDNSConfig *mgmProto.DNSConfig, network netip.Prefix) nbdns.Config {
-	//nolint
 	forwarderPort := uint16(protoDNSConfig.GetForwarderPort())
 	if forwarderPort == 0 {
 		forwarderPort = nbdns.ForwarderClientPort
@@ -1251,16 +1204,9 @@ func toDNSConfig(protoDNSConfig *mgmProto.DNSConfig, network netip.Prefix) nbdns
 		ForwarderPort:    forwarderPort,
 	}

-	protoZones := protoDNSConfig.GetCustomZones()
-	// Treat single zone as authoritative for backward compatibility with old servers
-	// that only send the peer FQDN zone without setting field 4.
-	singleZoneCompat := len(protoZones) == 1
-
-	for _, zone := range protoZones {
+	for _, zone := range protoDNSConfig.GetCustomZones() {
 		dnsZone := nbdns.CustomZone{
-			Domain:               zone.GetDomain(),
-			SearchDomainDisabled: zone.GetSearchDomainDisabled(),
-			NonAuthoritative:     zone.GetNonAuthoritative() && !singleZoneCompat,
+			Domain: zone.GetDomain(),
 		}
 		for _, record := range zone.Records {
 			dnsRecord := nbdns.SimpleRecord{
@@ -1420,11 +1366,6 @@ func (e *Engine) receiveSignalEvents() {
 			e.syncMsgMux.Lock()
 			defer e.syncMsgMux.Unlock()

-			// Check context INSIDE lock to ensure atomicity with shutdown
-			if e.ctx.Err() != nil {
-				return e.ctx.Err()
-			}
-
 			conn, ok := e.peerStore.PeerConn(msg.Key)
 			if !ok {
 				return fmt.Errorf("wrongly addressed message %s", msg.Key)
@@ -1748,26 +1689,22 @@ func (e *Engine) RunHealthProbes(waitForResult bool) bool {
 	}

 	e.syncMsgMux.Unlock()
-
-	// Skip STUN/TURN probing for JS/WASM as it's not available
-	relayHealthy := true
-	if runtime.GOOS != "js" {
-		var results []relay.ProbeResult
-		if waitForResult {
-			results = e.probeStunTurn.ProbeAllWaitResult(e.ctx, stuns, turns)
-		} else {
-			results = e.probeStunTurn.ProbeAll(e.ctx, stuns, turns)
-		}
-		e.statusRecorder.UpdateRelayStates(results)
-
-		for _, res := range results {
-			if res.Err != nil {
-				relayHealthy = false
-				break
-			}
-		}
-		log.Debugf("relay health check: healthy=%t", relayHealthy)
+	var results []relay.ProbeResult
+	if waitForResult {
+		results = e.probeStunTurn.ProbeAllWaitResult(e.ctx, stuns, turns)
+	} else {
+		results = e.probeStunTurn.ProbeAll(e.ctx, stuns, turns)
 	}
+	e.statusRecorder.UpdateRelayStates(results)
+
+	relayHealthy := true
+	for _, res := range results {
+		if res.Err != nil {
+			relayHealthy = false
+			break
+		}
+	}
+	log.Debugf("relay health check: healthy=%t", relayHealthy)

 	allHealthy := signalHealthy && managementHealthy && relayHealthy
 	log.Debugf("all health checks completed: healthy=%t", allHealthy)
@@ -1893,18 +1830,6 @@ func (e *Engine) GetWgAddr() netip.Addr {
 	return e.wgInterface.Address().IP
 }

-func (e *Engine) RenewTun(fd int) error {
-	e.syncMsgMux.Lock()
-	wgInterface := e.wgInterface
-	e.syncMsgMux.Unlock()
-
-	if wgInterface == nil {
-		return fmt.Errorf("wireguard interface not initialized")
-	}
-
-	return wgInterface.RenewTun(fd)
-}
-
 // updateDNSForwarder start or stop the DNS forwarder based on the domains and the feature flag
 func (e *Engine) updateDNSForwarder(
 	enabled bool,
--- a/client/internal/engine_ssh.go
+++ b/client/internal/engine_ssh.go
@@ -11,18 +11,15 @@ import (

 	firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
 	nftypes "github.com/netbirdio/netbird/client/internal/netflow/types"
-	sshauth "github.com/netbirdio/netbird/client/ssh/auth"
 	sshconfig "github.com/netbirdio/netbird/client/ssh/config"
 	sshserver "github.com/netbirdio/netbird/client/ssh/server"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
-	sshuserhash "github.com/netbirdio/netbird/shared/sshauth"
 )

 type sshServer interface {
 	Start(ctx context.Context, addr netip.AddrPort) error
 	Stop() error
 	GetStatus() (bool, []sshserver.SessionInfo)
-	UpdateSSHAuth(config *sshauth.Config)
 }

 func (e *Engine) setupSSHPortRedirection() error {
@@ -356,38 +353,3 @@ func (e *Engine) GetSSHServerStatus() (enabled bool, sessions []sshserver.Sessio

 	return sshServer.GetStatus()
 }
-
-// updateSSHServerAuth updates SSH fine-grained access control configuration on a running SSH server
-func (e *Engine) updateSSHServerAuth(sshAuth *mgmProto.SSHAuth) {
-	if sshAuth == nil {
-		return
-	}
-
-	if e.sshServer == nil {
-		return
-	}
-
-	protoUsers := sshAuth.GetAuthorizedUsers()
-	authorizedUsers := make([]sshuserhash.UserIDHash, len(protoUsers))
-	for i, hash := range protoUsers {
-		if len(hash) != 16 {
-			log.Warnf("invalid hash length %d, expected 16 - skipping SSH server auth update", len(hash))
-			return
-		}
-		authorizedUsers[i] = sshuserhash.UserIDHash(hash)
-	}
-
-	machineUsers := make(map[string][]uint32)
-	for osUser, indexes := range sshAuth.GetMachineUsers() {
-		machineUsers[osUser] = indexes.GetIndexes()
-	}
-
-	// Update SSH server with new authorization configuration
-	authConfig := &sshauth.Config{
-		UserIDClaim:     sshAuth.GetUserIDClaim(),
-		AuthorizedUsers: authorizedUsers,
-		MachineUsers:    machineUsers,
-	}
-
-	e.sshServer.UpdateSSHAuth(authConfig)
-}
--- a/Show More
+++ b/Show More