Reducate cognitive complexity

# Conflicts:
#	proxy/server.go

.github/ISSUE_TEMPLATE/config.yml

@@ -1,14 +0,0 @@
-blank_issues_enabled: true
-contact_links:
-  - name: Community Support
-    url: https://forum.netbird.io/
-    about: Community support forum
-  - name: Cloud Support
-    url: https://docs.netbird.io/help/report-bug-issues
-    about: Contact us for support
-  - name: Client/Connection Troubleshooting
-    url: https://docs.netbird.io/help/troubleshooting-client
-    about: See our client troubleshooting guide for help addressing common issues
-  - name: Self-host Troubleshooting
-    url: https://docs.netbird.io/selfhosted/troubleshooting
-    about: See our self-host troubleshooting guide for help addressing common issues

.github/workflows/check-license-dependencies.yml

@@ -31,7 +31,7 @@ jobs:
           while IFS= read -r dir; do
             echo "=== Checking $dir ==="
             # Search for problematic imports, excluding test files
-            RESULTS=$(grep -r "github.com/netbirdio/netbird/\(management\|signal\|relay\|proxy\)" "$dir" --include="*.go" 2>/dev/null | grep -v "_test.go" | grep -v "test_" | grep -v "/test/" | grep -v "tools/idp-migrate/" || true)
+            RESULTS=$(grep -r "github.com/netbirdio/netbird/\(management\|signal\|relay\|proxy\)" "$dir" --include="*.go" 2>/dev/null | grep -v "_test.go" | grep -v "test_" | grep -v "/test/" || true)
             if [ -n "$RESULTS" ]; then
               echo "❌ Found problematic dependencies:"
               echo "$RESULTS"
@@ -88,7 +88,7 @@ jobs:
               IMPORTERS=$(go list -json -deps ./... 2>/dev/null | jq -r "select(.Imports[]? == \"$package\") | .ImportPath")
 
               # Check if any importer is NOT in management/signal/relay
-              BSD_IMPORTER=$(echo "$IMPORTERS" | grep -v "github.com/netbirdio/netbird/\(management\|signal\|relay\|proxy\|combined\|tools/idp-migrate\)" | head -1)
+              BSD_IMPORTER=$(echo "$IMPORTERS" | grep -v "github.com/netbirdio/netbird/\(management\|signal\|relay\|proxy\|combined\)" | head -1)
 
               if [ -n "$BSD_IMPORTER" ]; then
                 echo "❌ $package ($license) is imported by BSD-licensed code: $BSD_IMPORTER"

.github/workflows/golang-test-linux.yml

@@ -409,19 +409,12 @@ jobs:
         run: git --no-pager diff --exit-code
 
       - name: Login to Docker hub
-        if: github.event.pull_request && github.event.pull_request.head.repo && github.event.pull_request.head.repo.full_name == '' || github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
-        uses: docker/login-action@v3
+        if: matrix.store == 'mysql' && (github.repository == github.head.repo.full_name || !github.head_ref)
+        uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_TOKEN }}
 
-      - name: docker login for root user
-        if: github.event.pull_request && github.event.pull_request.head.repo && github.event.pull_request.head.repo.full_name == '' || github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USER }}
-          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
-        run: echo "$DOCKER_TOKEN" | sudo docker login --username "$DOCKER_USER" --password-stdin
-
       - name: download mysql image
         if: matrix.store == 'mysql'
         run: docker pull mlsmaycon/warmed-mysql:8
@@ -504,18 +497,15 @@ jobs:
         run: git --no-pager diff --exit-code
 
       - name: Login to Docker hub
-        if: github.event.pull_request && github.event.pull_request.head.repo && github.event.pull_request.head.repo.full_name == '' || github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
-        uses: docker/login-action@v3
+        if: matrix.store == 'mysql' && (github.repository == github.head.repo.full_name || !github.head_ref)
+        uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_TOKEN }}
 
-      - name: docker login for root user
-        if: github.event.pull_request && github.event.pull_request.head.repo && github.event.pull_request.head.repo.full_name == '' || github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USER }}
-          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
-        run: echo "$DOCKER_TOKEN" | sudo docker login --username "$DOCKER_USER" --password-stdin
+      - name: download mysql image
+        if: matrix.store == 'mysql'
+        run: docker pull mlsmaycon/warmed-mysql:8
 
       - name: Test
         run: |
@@ -596,18 +586,15 @@ jobs:
         run: git --no-pager diff --exit-code
 
       - name: Login to Docker hub
-        if: github.event.pull_request && github.event.pull_request.head.repo && github.event.pull_request.head.repo.full_name == '' || github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
-        uses: docker/login-action@v3
+        if: matrix.store == 'mysql' && (github.repository == github.head.repo.full_name || !github.head_ref)
+        uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_TOKEN }}
 
-      - name: docker login for root user
-        if: github.event.pull_request && github.event.pull_request.head.repo && github.event.pull_request.head.repo.full_name == '' || github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
-        env:
-          DOCKER_USER: ${{ secrets.DOCKER_USER }}
-          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
-        run: echo "$DOCKER_TOKEN" | sudo docker login --username "$DOCKER_USER" --password-stdin
+      - name: download mysql image
+        if: matrix.store == 'mysql'
+        run: docker pull mlsmaycon/warmed-mysql:8
 
       - name: Test
         run: |

.github/workflows/golang-test-windows.yml

@@ -63,15 +63,10 @@ jobs:
       - run: PsExec64 -s -w ${{ github.workspace }} C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe env -w GOMODCACHE=${{ env.cache }}
       - run: PsExec64 -s -w ${{ github.workspace }} C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe env -w GOCACHE=${{ env.modcache }}
       - run: PsExec64 -s -w ${{ github.workspace }} C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe mod tidy
-      - name: Generate test script
-        run: |
-          $packages = go list ./... | Where-Object { $_ -notmatch '/management' } | Where-Object { $_ -notmatch '/relay' } | Where-Object { $_ -notmatch '/signal' } | Where-Object { $_ -notmatch '/proxy' } | Where-Object { $_ -notmatch '/combined' }
-          $goExe = "C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe"
-          $cmd = "$goExe test -tags=devcert -timeout 10m -p 1 $($packages -join ' ') > test-out.txt 2>&1"
-          Set-Content -Path "${{ github.workspace }}\run-tests.cmd" -Value $cmd
+      - run: echo "files=$(go list ./... | ForEach-Object { $_ } | Where-Object { $_ -notmatch '/management' } | Where-Object { $_ -notmatch '/relay' } | Where-Object { $_ -notmatch '/signal' } | Where-Object { $_ -notmatch '/proxy' } | Where-Object { $_ -notmatch '/combined' })" >> $env:GITHUB_ENV
 
       - name: test
-        run: PsExec64 -s -w ${{ github.workspace }} cmd.exe /c "${{ github.workspace }}\run-tests.cmd"
+        run: PsExec64 -s -w ${{ github.workspace }} cmd.exe /c "C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe test -tags=devcert -timeout 10m -p 1 ${{ env.files }} > test-out.txt 2>&1"
       - name: test output
         if: ${{ always() }}
         run: Get-Content test-out.txt

.github/workflows/golangci-lint.yml

@@ -19,7 +19,7 @@ jobs:
       - name: codespell
         uses: codespell-project/actions-codespell@v2
         with:
-          ignore_words_list: erro,clienta,hastable,iif,groupd,testin,groupe,cros,ans,deriver,te,userA
+          ignore_words_list: erro,clienta,hastable,iif,groupd,testin,groupe,cros,ans
           skip: go.mod,go.sum,**/proxy/web/**
   golangci:
     strategy:

.github/workflows/pr-title-check.yml

@@ -1,51 +0,0 @@
-name: PR Title Check
-
-on:
-  pull_request:
-    types: [opened, edited, synchronize, reopened]
-
-jobs:
-  check-title:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Validate PR title prefix
-        uses: actions/github-script@v7
-        with:
-          script: |
-            const title = context.payload.pull_request.title;
-            const allowedTags = [
-              'management',
-              'client',
-              'signal',
-              'proxy',
-              'relay',
-              'misc',
-              'infrastructure',
-              'self-hosted',
-              'doc',
-            ];
-
-            const pattern = /^\[([^\]]+)\]\s+.+/;
-            const match = title.match(pattern);
-
-            if (!match) {
-              core.setFailed(
-                `PR title must start with a tag in brackets.\n` +
-                `Example: [client] fix something\n` +
-                `Allowed tags: ${allowedTags.join(', ')}`
-              );
-              return;
-            }
-
-            const tags = match[1].split(',').map(t => t.trim().toLowerCase());
-
-            const invalid = tags.filter(t => !allowedTags.includes(t));
-            if (invalid.length > 0) {
-              core.setFailed(
-                `Invalid tag(s): ${invalid.join(', ')}\n` +
-                `Allowed tags: ${allowedTags.join(', ')}`
-              );
-              return;
-            }
-
-            console.log(`Valid PR title tags: [${tags.join(', ')}]`);

.github/workflows/release.yml

@@ -10,7 +10,7 @@ on:
 
 env:
   SIGN_PIPE_VER: "v0.1.1"
-  GORELEASER_VER: "v2.14.3"
+  GORELEASER_VER: "v2.3.2"
   PRODUCT_NAME: "NetBird"
   COPYRIGHT: "NetBird GmbH"
 
@@ -160,7 +160,7 @@ jobs:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_TOKEN }}
       - name: Log in to the GitHub container registry
-        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
@@ -169,14 +169,6 @@ jobs:
       - name: Install OS build dependencies
         run: sudo apt update && sudo apt install -y -q gcc-arm-linux-gnueabihf gcc-aarch64-linux-gnu
 
-      - name: Decode GPG signing key
-        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
-        env:
-          GPG_RPM_PRIVATE_KEY: ${{ secrets.GPG_RPM_PRIVATE_KEY }}
-        run: |
-          echo "$GPG_RPM_PRIVATE_KEY" | base64 -d > /tmp/gpg-rpm-signing-key.asc
-          echo "GPG_RPM_KEY_FILE=/tmp/gpg-rpm-signing-key.asc" >> $GITHUB_ENV
-
       - name: Install goversioninfo
         run: go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@233067e
       - name: Generate windows syso amd64
@@ -184,7 +176,6 @@ jobs:
       - name: Generate windows syso arm64
         run: goversioninfo -arm -64 -icon client/ui/assets/netbird.ico -manifest client/manifest.xml -product-name ${{ env.PRODUCT_NAME }} -copyright "${{ env.COPYRIGHT }}" -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -ver-build 0 -file-version ${{ steps.semver_parser.outputs.fullversion }}.0 -product-version ${{ steps.semver_parser.outputs.fullversion }}.0 -o client/resources_windows_arm64.syso
       - name: Run GoReleaser
-        id: goreleaser
         uses: goreleaser/goreleaser-action@v4
         with:
           version: ${{ env.GORELEASER_VER }}
@@ -194,55 +185,6 @@ jobs:
           HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.HOMEBREW_TAP_GITHUB_TOKEN }}
           UPLOAD_DEBIAN_SECRET: ${{ secrets.PKG_UPLOAD_SECRET }}
           UPLOAD_YUM_SECRET: ${{ secrets.PKG_UPLOAD_SECRET }}
-          GPG_RPM_KEY_FILE: ${{ env.GPG_RPM_KEY_FILE }}
-          NFPM_NETBIRD_RPM_PASSPHRASE: ${{ secrets.GPG_RPM_PASSPHRASE }}
-      - name: Verify RPM signatures
-        run: |
-          docker run --rm -v $(pwd)/dist:/dist fedora:41 bash -c '
-            dnf install -y -q rpm-sign curl >/dev/null 2>&1
-            curl -sSL https://pkgs.netbird.io/yum/repodata/repomd.xml.key -o /tmp/rpm-pub.key
-            rpm --import /tmp/rpm-pub.key
-            echo "=== Verifying RPM signatures ==="
-            for rpm_file in /dist/*amd64*.rpm; do
-              [ -f "$rpm_file" ] || continue
-              echo "--- $(basename $rpm_file) ---"
-              rpm -K "$rpm_file"
-            done
-          '
-      - name: Clean up GPG key
-        if: always()
-        run: rm -f /tmp/gpg-rpm-signing-key.asc
-      - name: Tag and push images (amd64 only)
-        if: |
-          (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) ||
-          (github.event_name == 'push' && github.ref == 'refs/heads/main')
-        run: |
-          resolve_tags() {
-            if [[ "${{ github.event_name }}" == "pull_request" ]]; then
-              echo "pr-${{ github.event.pull_request.number }}"
-            else
-              echo "main sha-$(git rev-parse --short HEAD)"
-            fi
-          }
-
-          tag_and_push() {
-            local src="$1" img_name tag dst
-            img_name="${src%%:*}"
-            for tag in $(resolve_tags); do
-              dst="${img_name}:${tag}"
-              echo "Tagging ${src} -> ${dst}"
-              docker tag "$src" "$dst"
-              docker push "$dst"
-            done
-          }
-
-          export -f tag_and_push resolve_tags
-
-          echo '${{ steps.goreleaser.outputs.artifacts }}' | \
-            jq -r '.[] | select(.type == "Docker Image") | select(.goarch == "amd64") | .name' | \
-            grep '^ghcr.io/' | while read -r SRC; do
-              tag_and_push "$SRC"
-            done
       - name: upload non tags for debug purposes
         uses: actions/upload-artifact@v4
         with:
@@ -309,14 +251,6 @@ jobs:
       - name: Install dependencies
         run: sudo apt update && sudo apt install -y -q libappindicator3-dev gir1.2-appindicator3-0.1 libxxf86vm-dev gcc-mingw-w64-x86-64
 
-      - name: Decode GPG signing key
-        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
-        env:
-          GPG_RPM_PRIVATE_KEY: ${{ secrets.GPG_RPM_PRIVATE_KEY }}
-        run: |
-          echo "$GPG_RPM_PRIVATE_KEY" | base64 -d > /tmp/gpg-rpm-signing-key.asc
-          echo "GPG_RPM_KEY_FILE=/tmp/gpg-rpm-signing-key.asc" >> $GITHUB_ENV
-
       - name: Install LLVM-MinGW for ARM64 cross-compilation
         run: |
           cd /tmp
@@ -341,24 +275,6 @@ jobs:
           HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.HOMEBREW_TAP_GITHUB_TOKEN }}
           UPLOAD_DEBIAN_SECRET: ${{ secrets.PKG_UPLOAD_SECRET }}
           UPLOAD_YUM_SECRET: ${{ secrets.PKG_UPLOAD_SECRET }}
-          GPG_RPM_KEY_FILE: ${{ env.GPG_RPM_KEY_FILE }}
-          NFPM_NETBIRD_UI_RPM_PASSPHRASE: ${{ secrets.GPG_RPM_PASSPHRASE }}
-      - name: Verify RPM signatures
-        run: |
-          docker run --rm -v $(pwd)/dist:/dist fedora:41 bash -c '
-            dnf install -y -q rpm-sign curl >/dev/null 2>&1
-            curl -sSL https://pkgs.netbird.io/yum/repodata/repomd.xml.key -o /tmp/rpm-pub.key
-            rpm --import /tmp/rpm-pub.key
-            echo "=== Verifying RPM signatures ==="
-            for rpm_file in /dist/*.rpm; do
-              [ -f "$rpm_file" ] || continue
-              echo "--- $(basename $rpm_file) ---"
-              rpm -K "$rpm_file"
-            done
-          '
-      - name: Clean up GPG key
-        if: always()
-        run: rm -f /tmp/gpg-rpm-signing-key.asc
       - name: upload non tags for debug purposes
         uses: actions/upload-artifact@v4
         with:

.github/workflows/wasm-build-validation.yml

@@ -61,8 +61,8 @@ jobs:
 
           echo "Size: ${SIZE} bytes (${SIZE_MB} MB)"
 
-          if [ ${SIZE} -gt 58720256 ]; then
-            echo "Wasm binary size (${SIZE_MB}MB) exceeds 56MB limit!"
+          if [ ${SIZE} -gt 57671680 ]; then
+            echo "Wasm binary size (${SIZE_MB}MB) exceeds 55MB limit!"
             exit 1
           fi
 

.goreleaser.yaml

@@ -140,40 +140,6 @@ builds:
       - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
     mod_timestamp: "{{ .CommitTimestamp }}"
 
-  - id: netbird-proxy
-    dir: proxy/cmd/proxy
-    env: [CGO_ENABLED=0]
-    binary: netbird-proxy
-    goos:
-      - linux
-    goarch:
-      - amd64
-      - arm64
-      - arm
-    ldflags:
-      - -s -w -X main.Version={{.Version}} -X main.Commit={{.Commit}} -X main.BuildDate={{.CommitDate}}
-    mod_timestamp: "{{ .CommitTimestamp }}"
-
-  - id: netbird-idp-migrate
-    dir: tools/idp-migrate
-    env:
-      - CGO_ENABLED=1
-      - >-
-        {{- if eq .Runtime.Goos "linux" }}
-          {{- if eq .Arch "arm64"}}CC=aarch64-linux-gnu-gcc{{- end }}
-          {{- if eq .Arch "arm"}}CC=arm-linux-gnueabihf-gcc{{- end }}
-        {{- end }}
-    binary: netbird-idp-migrate
-    goos:
-      - linux
-    goarch:
-      - amd64
-      - arm64
-      - arm
-    ldflags:
-      - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
-    mod_timestamp: "{{ .CommitTimestamp }}"
-
 universal_binaries:
   - id: netbird
 
@@ -186,22 +152,18 @@ archives:
       - netbird-wasm
     name_template: "{{ .ProjectName }}_{{ .Version }}"
     format: binary
-  - id: netbird-idp-migrate
-    builds:
-      - netbird-idp-migrate
-    name_template: "netbird-idp-migrate_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
 
 nfpms:
   - maintainer: Netbird <dev@netbird.io>
     description: Netbird client.
     homepage: https://netbird.io/
-    license: BSD-3-Clause
-    id: netbird_deb
+    id: netbird-deb
     bindir: /usr/bin
     builds:
       - netbird
     formats:
       - deb
+
     scripts:
       postinstall: "release_files/post_install.sh"
       preremove: "release_files/pre_remove.sh"
@@ -209,19 +171,16 @@ nfpms:
   - maintainer: Netbird <dev@netbird.io>
     description: Netbird client.
     homepage: https://netbird.io/
-    license: BSD-3-Clause
-    id: netbird_rpm
+    id: netbird-rpm
     bindir: /usr/bin
     builds:
       - netbird
     formats:
       - rpm
+
     scripts:
       postinstall: "release_files/post_install.sh"
       preremove: "release_files/pre_remove.sh"
-    rpm:
-      signature:
-        key_file: '{{ if index .Env "GPG_RPM_KEY_FILE" }}{{ .Env.GPG_RPM_KEY_FILE }}{{ end }}'
 dockers:
   - image_templates:
       - netbirdio/netbird:{{ .Version }}-amd64
@@ -630,55 +589,6 @@ dockers:
       - "--label=org.opencontainers.image.revision={{.FullCommit}}"
       - "--label=org.opencontainers.image.source=https://github.com/netbirdio/{{.ProjectName}}"
       - "--label=maintainer=dev@netbird.io"
-  - image_templates:
-      - netbirdio/reverse-proxy:{{ .Version }}-amd64
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-amd64
-    ids:
-      - netbird-proxy
-    goarch: amd64
-    use: buildx
-    dockerfile: proxy/Dockerfile
-    build_flag_templates:
-      - "--platform=linux/amd64"
-      - "--label=org.opencontainers.image.created={{.Date}}"
-      - "--label=org.opencontainers.image.title={{.ProjectName}}"
-      - "--label=org.opencontainers.image.version={{.Version}}"
-      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
-      - "--label=org.opencontainers.image.source=https://github.com/netbirdio/{{.ProjectName}}"
-      - "--label=maintainer=dev@netbird.io"
-  - image_templates:
-      - netbirdio/reverse-proxy:{{ .Version }}-arm64v8
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-arm64v8
-    ids:
-      - netbird-proxy
-    goarch: arm64
-    use: buildx
-    dockerfile: proxy/Dockerfile
-    build_flag_templates:
-      - "--platform=linux/arm64"
-      - "--label=org.opencontainers.image.created={{.Date}}"
-      - "--label=org.opencontainers.image.title={{.ProjectName}}"
-      - "--label=org.opencontainers.image.version={{.Version}}"
-      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
-      - "--label=org.opencontainers.image.source=https://github.com/netbirdio/{{.ProjectName}}"
-      - "--label=maintainer=dev@netbird.io"
-  - image_templates:
-      - netbirdio/reverse-proxy:{{ .Version }}-arm
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-arm
-    ids:
-      - netbird-proxy
-    goarch: arm
-    goarm: 6
-    use: buildx
-    dockerfile: proxy/Dockerfile
-    build_flag_templates:
-      - "--platform=linux/arm"
-      - "--label=org.opencontainers.image.created={{.Date}}"
-      - "--label=org.opencontainers.image.title={{.ProjectName}}"
-      - "--label=org.opencontainers.image.version={{.Version}}"
-      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
-      - "--label=org.opencontainers.image.source=https://github.com/netbirdio/{{.ProjectName}}"
-      - "--label=maintainer=dev@netbird.io"
 docker_manifests:
   - name_template: netbirdio/netbird:{{ .Version }}
     image_templates:
@@ -859,30 +769,6 @@ docker_manifests:
       - ghcr.io/netbirdio/netbird-server:{{ .Version }}-arm
       - ghcr.io/netbirdio/netbird-server:{{ .Version }}-amd64
 
-  - name_template: netbirdio/reverse-proxy:{{ .Version }}
-    image_templates:
-      - netbirdio/reverse-proxy:{{ .Version }}-arm64v8
-      - netbirdio/reverse-proxy:{{ .Version }}-arm
-      - netbirdio/reverse-proxy:{{ .Version }}-amd64
-
-  - name_template: netbirdio/reverse-proxy:latest
-    image_templates:
-      - netbirdio/reverse-proxy:{{ .Version }}-arm64v8
-      - netbirdio/reverse-proxy:{{ .Version }}-arm
-      - netbirdio/reverse-proxy:{{ .Version }}-amd64
-
-  - name_template: ghcr.io/netbirdio/reverse-proxy:{{ .Version }}
-    image_templates:
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-arm64v8
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-arm
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-amd64
-
-  - name_template: ghcr.io/netbirdio/reverse-proxy:latest
-    image_templates:
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-arm64v8
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-arm
-      - ghcr.io/netbirdio/reverse-proxy:{{ .Version }}-amd64
-
 brews:
   - ids:
       - default
@@ -903,7 +789,7 @@ brews:
 uploads:
   - name: debian
     ids:
-      - netbird_deb
+      - netbird-deb
     mode: archive
     target: https://pkgs.wiretrustee.com/debian/pool/{{ .ArtifactName }};deb.distribution=stable;deb.component=main;deb.architecture={{ if .Arm }}armhf{{ else }}{{ .Arch }}{{ end }};deb.package=
     username: dev@wiretrustee.com
@@ -911,7 +797,7 @@ uploads:
 
   - name: yum
     ids:
-      - netbird_rpm
+      - netbird-rpm
     mode: archive
     target: https://pkgs.wiretrustee.com/yum/{{ .Arch }}{{ if .Arm }}{{ .Arm }}{{ end }}
     username: dev@wiretrustee.com

.goreleaser_ui.yaml

@@ -61,7 +61,7 @@ nfpms:
   - maintainer: Netbird <dev@netbird.io>
     description: Netbird client UI.
     homepage: https://netbird.io/
-    id: netbird_ui_deb
+    id: netbird-ui-deb
     package_name: netbird-ui
     builds:
       - netbird-ui
@@ -80,7 +80,7 @@ nfpms:
   - maintainer: Netbird <dev@netbird.io>
     description: Netbird client UI.
     homepage: https://netbird.io/
-    id: netbird_ui_rpm
+    id: netbird-ui-rpm
     package_name: netbird-ui
     builds:
       - netbird-ui
@@ -95,14 +95,11 @@ nfpms:
         dst: /usr/share/pixmaps/netbird.png
     dependencies:
       - netbird
-    rpm:
-      signature:
-        key_file: '{{ if index .Env "GPG_RPM_KEY_FILE" }}{{ .Env.GPG_RPM_KEY_FILE }}{{ end }}'
 
 uploads:
   - name: debian
     ids:
-      - netbird_ui_deb
+      - netbird-ui-deb
     mode: archive
     target: https://pkgs.wiretrustee.com/debian/pool/{{ .ArtifactName }};deb.distribution=stable;deb.component=main;deb.architecture={{ if .Arm }}armhf{{ else }}{{ .Arch }}{{ end }};deb.package=
     username: dev@wiretrustee.com
@@ -110,7 +107,7 @@ uploads:
 
   - name: yum
     ids:
-      - netbird_ui_rpm
+      - netbird-ui-rpm
     mode: archive
     target: https://pkgs.wiretrustee.com/yum/{{ .Arch }}{{ if .Arm }}{{ .Arm }}{{ end }}
     username: dev@wiretrustee.com

CONTRIBUTOR_LICENSE_AGREEMENT.md

@@ -1,7 +1,7 @@
 ##  Contributor License Agreement
 
 This Contributor License Agreement (referred to as the "Agreement") is entered into by the individual 
-submitting this Agreement and NetBird GmbH, Brunnenstraße 196, 10119 Berlin, Germany, 
+submitting this Agreement and NetBird GmbH, c/o Max-Beer-Straße 2-4 Münzstraße 12 10178 Berlin, Germany, 
 referred to as "NetBird" (collectively, the "Parties"). The Agreement outlines the terms and conditions 
 under which NetBird may utilize software contributions provided by the Contributor for inclusion in 
 its software development projects. By submitting this Agreement, the Contributor confirms their acceptance 

README.md

@@ -126,7 +126,6 @@ See a complete [architecture overview](https://docs.netbird.io/about-netbird/how
 ### Community projects
 -  [NetBird installer script](https://github.com/physk/netbird-installer)
 -  [NetBird ansible collection by Dominion Solutions](https://galaxy.ansible.com/ui/repo/published/dominion_solutions/netbird/)
--  [netbird-tui](https://github.com/n0pashkov/netbird-tui) — terminal UI for managing NetBird peers, routes, and settings
 
 **Note**: The `main` branch may be in an *unstable or even broken state* during development.
 For stable versions, see [releases](https://github.com/netbirdio/netbird/releases).

client/Dockerfile

@@ -4,7 +4,7 @@
 #   sudo podman build -t localhost/netbird:latest -f client/Dockerfile --ignorefile .dockerignore-client .
 #   sudo podman run --rm -it --cap-add={BPF,NET_ADMIN,NET_RAW} localhost/netbird:latest
 
-FROM alpine:3.23.3
+FROM alpine:3.23.2
 # iproute2: busybox doesn't display ip rules properly
 RUN apk add --no-cache \
     bash \
@@ -17,7 +17,8 @@ ENV \
     NETBIRD_BIN="/usr/local/bin/netbird" \
     NB_LOG_FILE="console,/var/log/netbird/client.log" \
     NB_DAEMON_ADDR="unix:///var/run/netbird.sock" \
-    NB_ENTRYPOINT_SERVICE_TIMEOUT="30"
+    NB_ENTRYPOINT_SERVICE_TIMEOUT="5" \
+    NB_ENTRYPOINT_LOGIN_TIMEOUT="5"
 
 ENTRYPOINT [ "/usr/local/bin/netbird-entrypoint.sh" ]
 

client/Dockerfile-rootless

@@ -23,7 +23,8 @@ ENV \
     NB_DAEMON_ADDR="unix:///var/lib/netbird/netbird.sock" \
     NB_LOG_FILE="console,/var/lib/netbird/client.log" \
     NB_DISABLE_DNS="true" \
-    NB_ENTRYPOINT_SERVICE_TIMEOUT="30"
+    NB_ENTRYPOINT_SERVICE_TIMEOUT="5" \
+    NB_ENTRYPOINT_LOGIN_TIMEOUT="1"
 
 ENTRYPOINT [ "/usr/local/bin/netbird-entrypoint.sh" ]
 

client/android/client.go

@@ -124,7 +124,7 @@ func (c *Client) Run(platformFiles PlatformFiles, urlOpener URLOpener, isAndroid
 
 	// todo do not throw error in case of cancelled context
 	ctx = internal.CtxInitState(ctx)
-	c.connectClient = internal.NewConnectClient(ctx, cfg, c.recorder)
+	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)
 }
 
@@ -157,7 +157,7 @@ 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)
+	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)
 }
 
@@ -205,7 +205,7 @@ func (c *Client) PeersList() *PeerInfoArray {
 		pi := PeerInfo{
 			p.IP,
 			p.FQDN,
-			int(p.ConnStatus),
+			p.ConnStatus.String(),
 			PeerRoutes{routes: maps.Keys(p.GetRoutes())},
 		}
 		peerInfos[n] = pi

client/android/env_list.go

@@ -1,19 +1,10 @@
 package android
 
-import (
-	"github.com/netbirdio/netbird/client/internal/lazyconn"
-	"github.com/netbirdio/netbird/client/internal/peer"
-)
+import "github.com/netbirdio/netbird/client/internal/peer"
 
 var (
-	// EnvKeyNBForceRelay Exported for Android java client to force relay connections
+	// EnvKeyNBForceRelay Exported for Android java client
 	EnvKeyNBForceRelay = peer.EnvKeyNBForceRelay
-
-	// EnvKeyNBLazyConn Exported for Android java client to configure lazy connection
-	EnvKeyNBLazyConn = lazyconn.EnvEnableLazyConn
-
-	// EnvKeyNBInactivityThreshold Exported for Android java client to configure connection inactivity threshold
-	EnvKeyNBInactivityThreshold = lazyconn.EnvInactivityThreshold
 )
 
 // EnvList wraps a Go map for export to Java

client/android/peer_notifier.go

@@ -2,20 +2,11 @@
 
 package android
 
-import "github.com/netbirdio/netbird/client/internal/peer"
-
-// Connection status constants exported via gomobile.
-const (
-	ConnStatusIdle       = int(peer.StatusIdle)
-	ConnStatusConnecting = int(peer.StatusConnecting)
-	ConnStatusConnected  = int(peer.StatusConnected)
-)
-
 // PeerInfo describe information about the peers. It designed for the UI usage
 type PeerInfo struct {
 	IP         string
 	FQDN       string
-	ConnStatus int
+	ConnStatus string // Todo replace to enum
 	Routes     PeerRoutes
 }
 

client/cmd/debug.go

@@ -181,11 +181,10 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 
 	if stateWasDown {
 		if _, err := client.Up(cmd.Context(), &proto.UpRequest{}); err != nil {
-			cmd.PrintErrf("Failed to bring service up: %v\n", status.Convert(err).Message())
-		} else {
-			cmd.Println("netbird up")
-			time.Sleep(time.Second * 10)
+			return fmt.Errorf("failed to up: %v", status.Convert(err).Message())
 		}
+		cmd.Println("netbird up")
+		time.Sleep(time.Second * 10)
 	}
 
 	initialLevelTrace := initialLogLevel.GetLevel() >= proto.LogLevel_TRACE
@@ -199,13 +198,10 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 		cmd.Println("Log level set to trace.")
 	}
 
-	needsRestoreUp := false
 	if _, err := client.Down(cmd.Context(), &proto.DownRequest{}); err != nil {
-		cmd.PrintErrf("Failed to bring service down: %v\n", status.Convert(err).Message())
-	} else {
-		needsRestoreUp = !stateWasDown
-		cmd.Println("netbird down")
+		return fmt.Errorf("failed to down: %v", status.Convert(err).Message())
 	}
+	cmd.Println("netbird down")
 
 	time.Sleep(1 * time.Second)
 
@@ -213,15 +209,13 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 	if _, err := client.SetSyncResponsePersistence(cmd.Context(), &proto.SetSyncResponsePersistenceRequest{
 		Enabled: true,
 	}); err != nil {
-		cmd.PrintErrf("Failed to enable sync response persistence: %v\n", status.Convert(err).Message())
+		return fmt.Errorf("failed to enable sync response persistence: %v", status.Convert(err).Message())
 	}
 
 	if _, err := client.Up(cmd.Context(), &proto.UpRequest{}); err != nil {
-		cmd.PrintErrf("Failed to bring service up: %v\n", status.Convert(err).Message())
-	} else {
-		needsRestoreUp = false
-		cmd.Println("netbird up")
+		return fmt.Errorf("failed to up: %v", status.Convert(err).Message())
 	}
+	cmd.Println("netbird up")
 
 	time.Sleep(3 * time.Second)
 
@@ -267,28 +261,18 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("failed to bundle debug: %v", status.Convert(err).Message())
 	}
 
-	if needsRestoreUp {
-		if _, err := client.Up(cmd.Context(), &proto.UpRequest{}); err != nil {
-			cmd.PrintErrf("Failed to restore service up state: %v\n", status.Convert(err).Message())
-		} else {
-			cmd.Println("netbird up (restored)")
-		}
-	}
-
 	if stateWasDown {
 		if _, err := client.Down(cmd.Context(), &proto.DownRequest{}); err != nil {
-			cmd.PrintErrf("Failed to restore service down state: %v\n", status.Convert(err).Message())
-		} else {
-			cmd.Println("netbird down")
+			return fmt.Errorf("failed to down: %v", status.Convert(err).Message())
 		}
+		cmd.Println("netbird down")
 	}
 
 	if !initialLevelTrace {
 		if _, err := client.SetLogLevel(cmd.Context(), &proto.SetLogLevelRequest{Level: initialLogLevel.GetLevel()}); err != nil {
-			cmd.PrintErrf("Failed to restore log level: %v\n", status.Convert(err).Message())
-		} else {
-			cmd.Println("Log level restored to", initialLogLevel.GetLevel())
+			return fmt.Errorf("failed to restore log level: %v", status.Convert(err).Message())
 		}
+		cmd.Println("Log level restored to", initialLogLevel.GetLevel())
 	}
 
 	cmd.Printf("Local file:\n%s\n", resp.GetPath())

client/cmd/expose.go

@@ -1,287 +0,0 @@
-package cmd
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"io"
-	"os"
-	"os/signal"
-	"regexp"
-	"strconv"
-	"strings"
-	"syscall"
-
-	log "github.com/sirupsen/logrus"
-	"github.com/spf13/cobra"
-	"google.golang.org/grpc/status"
-
-	"github.com/netbirdio/netbird/client/internal/expose"
-	"github.com/netbirdio/netbird/client/proto"
-	"github.com/netbirdio/netbird/util"
-)
-
-var pinRegexp = regexp.MustCompile(`^\d{6}$`)
-
-var (
-	exposePin          string
-	exposePassword     string
-	exposeUserGroups   []string
-	exposeDomain       string
-	exposeNamePrefix   string
-	exposeProtocol     string
-	exposeExternalPort uint16
-)
-
-var exposeCmd = &cobra.Command{
-	Use:   "expose <port>",
-	Short: "Expose a local port via the NetBird reverse proxy",
-	Args:  cobra.ExactArgs(1),
-	Example: `  netbird expose --with-password safe-pass 8080
-  netbird expose --protocol tcp 5432
-  netbird expose --protocol tcp --with-external-port 5433 5432
-  netbird expose --protocol tls --with-custom-domain tls.example.com 4443`,
-	RunE: exposeFn,
-}
-
-func init() {
-	exposeCmd.Flags().StringVar(&exposePin, "with-pin", "", "Protect the exposed service with a 6-digit PIN (e.g. --with-pin 123456)")
-	exposeCmd.Flags().StringVar(&exposePassword, "with-password", "", "Protect the exposed service with a password (e.g. --with-password my-secret)")
-	exposeCmd.Flags().StringSliceVar(&exposeUserGroups, "with-user-groups", nil, "Restrict access to specific user groups with SSO (e.g. --with-user-groups devops,Backend)")
-	exposeCmd.Flags().StringVar(&exposeDomain, "with-custom-domain", "", "Custom domain for the exposed service, must be configured to your account (e.g. --with-custom-domain myapp.example.com)")
-	exposeCmd.Flags().StringVar(&exposeNamePrefix, "with-name-prefix", "", "Prefix for the generated service name (e.g. --with-name-prefix my-app)")
-	exposeCmd.Flags().StringVar(&exposeProtocol, "protocol", "http", "Protocol to use: http, https, tcp, udp, or tls (e.g. --protocol tcp)")
-	exposeCmd.Flags().Uint16Var(&exposeExternalPort, "with-external-port", 0, "Public-facing external port on the proxy cluster (defaults to the target port for L4)")
-}
-
-// isClusterProtocol returns true for L4/TLS protocols that reject HTTP-style auth flags.
-func isClusterProtocol(protocol string) bool {
-	switch strings.ToLower(protocol) {
-	case "tcp", "udp", "tls":
-		return true
-	default:
-		return false
-	}
-}
-
-// isPortBasedProtocol returns true for pure port-based protocols (TCP/UDP)
-// where domain display doesn't apply. TLS uses SNI so it has a domain.
-func isPortBasedProtocol(protocol string) bool {
-	switch strings.ToLower(protocol) {
-	case "tcp", "udp":
-		return true
-	default:
-		return false
-	}
-}
-
-// extractPort returns the port portion of a URL like "tcp://host:12345", or
-// falls back to the given default formatted as a string.
-func extractPort(serviceURL string, fallback uint16) string {
-	u := serviceURL
-	if idx := strings.Index(u, "://"); idx != -1 {
-		u = u[idx+3:]
-	}
-	if i := strings.LastIndex(u, ":"); i != -1 {
-		if p := u[i+1:]; p != "" {
-			return p
-		}
-	}
-	return strconv.FormatUint(uint64(fallback), 10)
-}
-
-// resolveExternalPort returns the effective external port, defaulting to the target port.
-func resolveExternalPort(targetPort uint64) uint16 {
-	if exposeExternalPort != 0 {
-		return exposeExternalPort
-	}
-	return uint16(targetPort)
-}
-
-func validateExposeFlags(cmd *cobra.Command, portStr string) (uint64, error) {
-	port, err := strconv.ParseUint(portStr, 10, 32)
-	if err != nil {
-		return 0, fmt.Errorf("invalid port number: %s", portStr)
-	}
-	if port == 0 || port > 65535 {
-		return 0, fmt.Errorf("invalid port number: must be between 1 and 65535")
-	}
-
-	if !isProtocolValid(exposeProtocol) {
-		return 0, fmt.Errorf("unsupported protocol %q: must be http, https, tcp, udp, or tls", exposeProtocol)
-	}
-
-	if isClusterProtocol(exposeProtocol) {
-		if exposePin != "" || exposePassword != "" || len(exposeUserGroups) > 0 {
-			return 0, fmt.Errorf("auth flags (--with-pin, --with-password, --with-user-groups) are not supported for %s protocol", exposeProtocol)
-		}
-	} else if cmd.Flags().Changed("with-external-port") {
-		return 0, fmt.Errorf("--with-external-port is not supported for %s protocol", exposeProtocol)
-	}
-
-	if exposePin != "" && !pinRegexp.MatchString(exposePin) {
-		return 0, fmt.Errorf("invalid pin: must be exactly 6 digits")
-	}
-
-	if cmd.Flags().Changed("with-password") && exposePassword == "" {
-		return 0, fmt.Errorf("password cannot be empty")
-	}
-
-	if cmd.Flags().Changed("with-user-groups") && len(exposeUserGroups) == 0 {
-		return 0, fmt.Errorf("user groups cannot be empty")
-	}
-
-	return port, nil
-}
-
-func isProtocolValid(exposeProtocol string) bool {
-	switch strings.ToLower(exposeProtocol) {
-	case "http", "https", "tcp", "udp", "tls":
-		return true
-	default:
-		return false
-	}
-}
-
-func exposeFn(cmd *cobra.Command, args []string) error {
-	SetFlagsFromEnvVars(rootCmd)
-
-	if err := util.InitLog(logLevel, util.LogConsole); err != nil {
-		log.Errorf("failed initializing log %v", err)
-		return err
-	}
-
-	cmd.Root().SilenceUsage = false
-
-	port, err := validateExposeFlags(cmd, args[0])
-	if err != nil {
-		return err
-	}
-
-	cmd.Root().SilenceUsage = true
-
-	ctx, cancel := context.WithCancel(cmd.Context())
-	defer cancel()
-
-	sigCh := make(chan os.Signal, 1)
-	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
-	go func() {
-		<-sigCh
-		cancel()
-	}()
-
-	conn, err := DialClientGRPCServer(ctx, daemonAddr)
-	if err != nil {
-		return fmt.Errorf("connect to daemon: %w", err)
-	}
-	defer func() {
-		if err := conn.Close(); err != nil {
-			log.Debugf("failed to close daemon connection: %v", err)
-		}
-	}()
-
-	client := proto.NewDaemonServiceClient(conn)
-
-	protocol, err := toExposeProtocol(exposeProtocol)
-	if err != nil {
-		return err
-	}
-
-	req := &proto.ExposeServiceRequest{
-		Port:       uint32(port),
-		Protocol:   protocol,
-		Pin:        exposePin,
-		Password:   exposePassword,
-		UserGroups: exposeUserGroups,
-		Domain:     exposeDomain,
-		NamePrefix: exposeNamePrefix,
-	}
-	if isClusterProtocol(exposeProtocol) {
-		req.ListenPort = uint32(resolveExternalPort(port))
-	}
-
-	stream, err := client.ExposeService(ctx, req)
-	if err != nil {
-		return fmt.Errorf("expose service: %v", status.Convert(err).Message())
-	}
-
-	if err := handleExposeReady(cmd, stream, port); err != nil {
-		return err
-	}
-
-	return waitForExposeEvents(cmd, ctx, stream)
-}
-
-func toExposeProtocol(exposeProtocol string) (proto.ExposeProtocol, error) {
-	p, err := expose.ParseProtocolType(exposeProtocol)
-	if err != nil {
-		return 0, fmt.Errorf("invalid protocol: %w", err)
-	}
-
-	switch p {
-	case expose.ProtocolHTTP:
-		return proto.ExposeProtocol_EXPOSE_HTTP, nil
-	case expose.ProtocolHTTPS:
-		return proto.ExposeProtocol_EXPOSE_HTTPS, nil
-	case expose.ProtocolTCP:
-		return proto.ExposeProtocol_EXPOSE_TCP, nil
-	case expose.ProtocolUDP:
-		return proto.ExposeProtocol_EXPOSE_UDP, nil
-	case expose.ProtocolTLS:
-		return proto.ExposeProtocol_EXPOSE_TLS, nil
-	default:
-		return 0, fmt.Errorf("unhandled protocol type: %d", p)
-	}
-}
-
-func handleExposeReady(cmd *cobra.Command, stream proto.DaemonService_ExposeServiceClient, port uint64) error {
-	event, err := stream.Recv()
-	if err != nil {
-		return fmt.Errorf("receive expose event: %v", status.Convert(err).Message())
-	}
-
-	ready, ok := event.Event.(*proto.ExposeServiceEvent_Ready)
-	if !ok {
-		return fmt.Errorf("unexpected expose event: %T", event.Event)
-	}
-	printExposeReady(cmd, ready.Ready, port)
-	return nil
-}
-
-func printExposeReady(cmd *cobra.Command, r *proto.ExposeServiceReady, port uint64) {
-	cmd.Println("Service exposed successfully!")
-	cmd.Printf("  Name:     %s\n", r.ServiceName)
-	if r.ServiceUrl != "" {
-		cmd.Printf("  URL:      %s\n", r.ServiceUrl)
-	}
-	if r.Domain != "" && !isPortBasedProtocol(exposeProtocol) {
-		cmd.Printf("  Domain:   %s\n", r.Domain)
-	}
-	cmd.Printf("  Protocol: %s\n", exposeProtocol)
-	cmd.Printf("  Internal: %d\n", port)
-	if isClusterProtocol(exposeProtocol) {
-		cmd.Printf("  External: %s\n", extractPort(r.ServiceUrl, resolveExternalPort(port)))
-	}
-	if r.PortAutoAssigned && exposeExternalPort != 0 {
-		cmd.Printf("\n  Note: requested port %d was reassigned\n", exposeExternalPort)
-	}
-	cmd.Println()
-	cmd.Println("Press Ctrl+C to stop exposing.")
-}
-
-func waitForExposeEvents(cmd *cobra.Command, ctx context.Context, stream proto.DaemonService_ExposeServiceClient) error {
-	for {
-		_, err := stream.Recv()
-		if err != nil {
-			if ctx.Err() != nil {
-				cmd.Println("\nService stopped.")
-				//nolint:nilerr
-				return nil
-			}
-			if errors.Is(err, io.EOF) {
-				return fmt.Errorf("connection to daemon closed unexpectedly")
-			}
-			return fmt.Errorf("stream error: %w", err)
-		}
-	}
-}

client/cmd/root.go

@@ -22,7 +22,6 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 
-	daddr "github.com/netbirdio/netbird/client/internal/daemonaddr"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 )
 
@@ -81,15 +80,6 @@ var (
 		Short:        "",
 		Long:         "",
 		SilenceUsage: true,
-		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-			SetFlagsFromEnvVars(cmd.Root())
-
-			// Don't resolve for service commands — they create the socket, not connect to it.
-			if !isServiceCmd(cmd) {
-				daemonAddr = daddr.ResolveUnixDaemonAddr(daemonAddr)
-			}
-			return nil
-		},
 	}
 )
 
@@ -154,7 +144,6 @@ func init() {
 	rootCmd.AddCommand(forwardingRulesCmd)
 	rootCmd.AddCommand(debugCmd)
 	rootCmd.AddCommand(profileCmd)
-	rootCmd.AddCommand(exposeCmd)
 
 	networksCMD.AddCommand(routesListCmd)
 	networksCMD.AddCommand(routesSelectCmd, routesDeselectCmd)
@@ -396,6 +385,7 @@ func migrateToNetbird(oldPath, newPath string) bool {
 }
 
 func getClient(cmd *cobra.Command) (*grpc.ClientConn, error) {
+	SetFlagsFromEnvVars(rootCmd)
 	cmd.SetOut(cmd.OutOrStdout())
 
 	conn, err := DialClientGRPCServer(cmd.Context(), daemonAddr)
@@ -408,13 +398,3 @@ func getClient(cmd *cobra.Command) (*grpc.ClientConn, error) {
 
 	return conn, nil
 }
-
-// isServiceCmd returns true if cmd is the "service" command or a child of it.
-func isServiceCmd(cmd *cobra.Command) bool {
-	for c := cmd; c != nil; c = c.Parent() {
-		if c.Name() == "service" {
-			return true
-		}
-	}
-	return false
-}

client/cmd/service.go

@@ -41,7 +41,7 @@ func init() {
 		defaultServiceName = "Netbird"
 	}
 
-	serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd, svcStatusCmd, installCmd, uninstallCmd, reconfigureCmd, resetParamsCmd)
+	serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd, svcStatusCmd, installCmd, uninstallCmd, reconfigureCmd)
 	serviceCmd.PersistentFlags().BoolVar(&profilesDisabled, "disable-profiles", false, "Disables profiles feature. If enabled, the client will not be able to change or edit any profile. To persist this setting, use: netbird service install --disable-profiles")
 	serviceCmd.PersistentFlags().BoolVar(&updateSettingsDisabled, "disable-update-settings", false, "Disables update settings feature. If enabled, the client will not be able to change or edit any settings. To persist this setting, use: netbird service install --disable-update-settings")
 

client/cmd/service_controller.go

@@ -103,7 +103,7 @@ func (p *program) Stop(srv service.Service) error {
 
 // Common setup for service control commands
 func setupServiceControlCommand(cmd *cobra.Command, ctx context.Context, cancel context.CancelFunc) (service.Service, error) {
-	// rootCmd env vars are already applied by PersistentPreRunE.
+	SetFlagsFromEnvVars(rootCmd)
 	SetFlagsFromEnvVars(serviceCmd)
 
 	cmd.SetOut(cmd.OutOrStdout())

client/cmd/service_installer.go

@@ -119,10 +119,6 @@ var installCmd = &cobra.Command{
 			return err
 		}
 
-		if err := loadAndApplyServiceParams(cmd); err != nil {
-			cmd.PrintErrf("Warning: failed to load saved service params: %v\n", err)
-		}
-
 		svcConfig, err := createServiceConfigForInstall()
 		if err != nil {
 			return err
@@ -140,10 +136,6 @@ var installCmd = &cobra.Command{
 			return fmt.Errorf("install service: %w", err)
 		}
 
-		if err := saveServiceParams(currentServiceParams()); err != nil {
-			cmd.PrintErrf("Warning: failed to save service params: %v\n", err)
-		}
-
 		cmd.Println("NetBird service has been installed")
 		return nil
 	},
@@ -195,10 +187,6 @@ This command will temporarily stop the service, update its configuration, and re
 			return err
 		}
 
-		if err := loadAndApplyServiceParams(cmd); err != nil {
-			cmd.PrintErrf("Warning: failed to load saved service params: %v\n", err)
-		}
-
 		wasRunning, err := isServiceRunning()
 		if err != nil && !errors.Is(err, ErrGetServiceStatus) {
 			return fmt.Errorf("check service status: %w", err)
@@ -234,10 +222,6 @@ This command will temporarily stop the service, update its configuration, and re
 			return fmt.Errorf("install service with new config: %w", err)
 		}
 
-		if err := saveServiceParams(currentServiceParams()); err != nil {
-			cmd.PrintErrf("Warning: failed to save service params: %v\n", err)
-		}
-
 		if wasRunning {
 			cmd.Println("Starting NetBird service...")
 			if err := s.Start(); err != nil {

client/cmd/service_params.go

@@ -1,201 +0,0 @@
-//go:build !ios && !android
-
-package cmd
-
-import (
-	"context"
-	"encoding/json"
-	"fmt"
-	"maps"
-	"os"
-	"path/filepath"
-
-	"github.com/spf13/cobra"
-
-	"github.com/netbirdio/netbird/client/configs"
-	"github.com/netbirdio/netbird/util"
-)
-
-const serviceParamsFile = "service.json"
-
-// serviceParams holds install-time service parameters that persist across
-// uninstall/reinstall cycles. Saved to <stateDir>/service.json.
-type serviceParams struct {
-	LogLevel              string            `json:"log_level"`
-	DaemonAddr            string            `json:"daemon_addr"`
-	ManagementURL         string            `json:"management_url,omitempty"`
-	ConfigPath            string            `json:"config_path,omitempty"`
-	LogFiles              []string          `json:"log_files,omitempty"`
-	DisableProfiles       bool              `json:"disable_profiles,omitempty"`
-	DisableUpdateSettings bool              `json:"disable_update_settings,omitempty"`
-	ServiceEnvVars        map[string]string `json:"service_env_vars,omitempty"`
-}
-
-// serviceParamsPath returns the path to the service params file.
-func serviceParamsPath() string {
-	return filepath.Join(configs.StateDir, serviceParamsFile)
-}
-
-// loadServiceParams reads saved service parameters from disk.
-// Returns nil with no error if the file does not exist.
-func loadServiceParams() (*serviceParams, error) {
-	path := serviceParamsPath()
-
-	data, err := os.ReadFile(path)
-	if err != nil {
-		if os.IsNotExist(err) {
-			return nil, nil //nolint:nilnil
-		}
-		return nil, fmt.Errorf("read service params %s: %w", path, err)
-	}
-
-	var params serviceParams
-	if err := json.Unmarshal(data, &params); err != nil {
-		return nil, fmt.Errorf("parse service params %s: %w", path, err)
-	}
-
-	return &params, nil
-}
-
-// saveServiceParams writes current service parameters to disk atomically
-// with restricted permissions.
-func saveServiceParams(params *serviceParams) error {
-	path := serviceParamsPath()
-	if err := util.WriteJsonWithRestrictedPermission(context.Background(), path, params); err != nil {
-		return fmt.Errorf("save service params: %w", err)
-	}
-	return nil
-}
-
-// currentServiceParams captures the current state of all package-level
-// variables into a serviceParams struct.
-func currentServiceParams() *serviceParams {
-	params := &serviceParams{
-		LogLevel:              logLevel,
-		DaemonAddr:            daemonAddr,
-		ManagementURL:         managementURL,
-		ConfigPath:            configPath,
-		LogFiles:              logFiles,
-		DisableProfiles:       profilesDisabled,
-		DisableUpdateSettings: updateSettingsDisabled,
-	}
-
-	if len(serviceEnvVars) > 0 {
-		parsed, err := parseServiceEnvVars(serviceEnvVars)
-		if err == nil && len(parsed) > 0 {
-			params.ServiceEnvVars = parsed
-		}
-	}
-
-	return params
-}
-
-// loadAndApplyServiceParams loads saved params from disk and applies them
-// to any flags that were not explicitly set.
-func loadAndApplyServiceParams(cmd *cobra.Command) error {
-	params, err := loadServiceParams()
-	if err != nil {
-		return err
-	}
-	applyServiceParams(cmd, params)
-	return nil
-}
-
-// applyServiceParams merges saved parameters into package-level variables
-// for any flag that was not explicitly set by the user (via CLI or env var).
-// Flags that were Changed() are left untouched.
-func applyServiceParams(cmd *cobra.Command, params *serviceParams) {
-	if params == nil {
-		return
-	}
-
-	// For fields with non-empty defaults (log-level, daemon-addr), keep the
-	// != "" guard so that an older service.json missing the field doesn't
-	// clobber the default with an empty string.
-	if !rootCmd.PersistentFlags().Changed("log-level") && params.LogLevel != "" {
-		logLevel = params.LogLevel
-	}
-
-	if !rootCmd.PersistentFlags().Changed("daemon-addr") && params.DaemonAddr != "" {
-		daemonAddr = params.DaemonAddr
-	}
-
-	// For optional fields where empty means "use default", always apply so
-	// that an explicit clear (--management-url "") persists across reinstalls.
-	if !rootCmd.PersistentFlags().Changed("management-url") {
-		managementURL = params.ManagementURL
-	}
-
-	if !rootCmd.PersistentFlags().Changed("config") {
-		configPath = params.ConfigPath
-	}
-
-	if !rootCmd.PersistentFlags().Changed("log-file") {
-		logFiles = params.LogFiles
-	}
-
-	if !serviceCmd.PersistentFlags().Changed("disable-profiles") {
-		profilesDisabled = params.DisableProfiles
-	}
-
-	if !serviceCmd.PersistentFlags().Changed("disable-update-settings") {
-		updateSettingsDisabled = params.DisableUpdateSettings
-	}
-
-	applyServiceEnvParams(cmd, params)
-}
-
-// applyServiceEnvParams merges saved service environment variables.
-// If --service-env was explicitly set, explicit values win on key conflict
-// but saved keys not in the explicit set are carried over.
-// If --service-env was not set, saved env vars are used entirely.
-func applyServiceEnvParams(cmd *cobra.Command, params *serviceParams) {
-	if len(params.ServiceEnvVars) == 0 {
-		return
-	}
-
-	if !cmd.Flags().Changed("service-env") {
-		// No explicit env vars: rebuild serviceEnvVars from saved params.
-		serviceEnvVars = envMapToSlice(params.ServiceEnvVars)
-		return
-	}
-
-	// Explicit env vars were provided: merge saved values underneath.
-	explicit, err := parseServiceEnvVars(serviceEnvVars)
-	if err != nil {
-		cmd.PrintErrf("Warning: parse explicit service env vars for merge: %v\n", err)
-		return
-	}
-
-	merged := make(map[string]string, len(params.ServiceEnvVars)+len(explicit))
-	maps.Copy(merged, params.ServiceEnvVars)
-	maps.Copy(merged, explicit) // explicit wins on conflict
-	serviceEnvVars = envMapToSlice(merged)
-}
-
-var resetParamsCmd = &cobra.Command{
-	Use:   "reset-params",
-	Short: "Remove saved service install parameters",
-	Long:  "Removes the saved service.json file so the next install uses default parameters.",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		path := serviceParamsPath()
-		if err := os.Remove(path); err != nil {
-			if os.IsNotExist(err) {
-				cmd.Println("No saved service parameters found")
-				return nil
-			}
-			return fmt.Errorf("remove service params: %w", err)
-		}
-		cmd.Printf("Removed saved service parameters (%s)\n", path)
-		return nil
-	},
-}
-
-// envMapToSlice converts a map of env vars to a KEY=VALUE slice.
-func envMapToSlice(m map[string]string) []string {
-	s := make([]string, 0, len(m))
-	for k, v := range m {
-		s = append(s, k+"="+v)
-	}
-	return s
-}

client/cmd/service_params_test.go

@@ -1,523 +0,0 @@
-//go:build !ios && !android
-
-package cmd
-
-import (
-	"encoding/json"
-	"go/ast"
-	"go/parser"
-	"go/token"
-	"os"
-	"path/filepath"
-	"strings"
-	"testing"
-
-	"github.com/spf13/cobra"
-	"github.com/spf13/pflag"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
-	"github.com/netbirdio/netbird/client/configs"
-)
-
-func TestServiceParamsPath(t *testing.T) {
-	original := configs.StateDir
-	t.Cleanup(func() { configs.StateDir = original })
-
-	configs.StateDir = "/var/lib/netbird"
-	assert.Equal(t, filepath.Join("/var/lib/netbird", "service.json"), serviceParamsPath())
-
-	configs.StateDir = "/custom/state"
-	assert.Equal(t, filepath.Join("/custom/state", "service.json"), serviceParamsPath())
-}
-
-func TestSaveAndLoadServiceParams(t *testing.T) {
-	tmpDir := t.TempDir()
-
-	original := configs.StateDir
-	t.Cleanup(func() { configs.StateDir = original })
-	configs.StateDir = tmpDir
-
-	params := &serviceParams{
-		LogLevel:              "debug",
-		DaemonAddr:            "unix:///var/run/netbird.sock",
-		ManagementURL:         "https://my.server.com",
-		ConfigPath:            "/etc/netbird/config.json",
-		LogFiles:              []string{"/var/log/netbird/client.log", "console"},
-		DisableProfiles:       true,
-		DisableUpdateSettings: false,
-		ServiceEnvVars:        map[string]string{"NB_LOG_FORMAT": "json", "CUSTOM": "val"},
-	}
-
-	err := saveServiceParams(params)
-	require.NoError(t, err)
-
-	// Verify the file exists and is valid JSON.
-	data, err := os.ReadFile(filepath.Join(tmpDir, "service.json"))
-	require.NoError(t, err)
-	assert.True(t, json.Valid(data))
-
-	loaded, err := loadServiceParams()
-	require.NoError(t, err)
-	require.NotNil(t, loaded)
-
-	assert.Equal(t, params.LogLevel, loaded.LogLevel)
-	assert.Equal(t, params.DaemonAddr, loaded.DaemonAddr)
-	assert.Equal(t, params.ManagementURL, loaded.ManagementURL)
-	assert.Equal(t, params.ConfigPath, loaded.ConfigPath)
-	assert.Equal(t, params.LogFiles, loaded.LogFiles)
-	assert.Equal(t, params.DisableProfiles, loaded.DisableProfiles)
-	assert.Equal(t, params.DisableUpdateSettings, loaded.DisableUpdateSettings)
-	assert.Equal(t, params.ServiceEnvVars, loaded.ServiceEnvVars)
-}
-
-func TestLoadServiceParams_FileNotExists(t *testing.T) {
-	tmpDir := t.TempDir()
-
-	original := configs.StateDir
-	t.Cleanup(func() { configs.StateDir = original })
-	configs.StateDir = tmpDir
-
-	params, err := loadServiceParams()
-	assert.NoError(t, err)
-	assert.Nil(t, params)
-}
-
-func TestLoadServiceParams_InvalidJSON(t *testing.T) {
-	tmpDir := t.TempDir()
-
-	original := configs.StateDir
-	t.Cleanup(func() { configs.StateDir = original })
-	configs.StateDir = tmpDir
-
-	err := os.WriteFile(filepath.Join(tmpDir, "service.json"), []byte("not json"), 0600)
-	require.NoError(t, err)
-
-	params, err := loadServiceParams()
-	assert.Error(t, err)
-	assert.Nil(t, params)
-}
-
-func TestCurrentServiceParams(t *testing.T) {
-	origLogLevel := logLevel
-	origDaemonAddr := daemonAddr
-	origManagementURL := managementURL
-	origConfigPath := configPath
-	origLogFiles := logFiles
-	origProfilesDisabled := profilesDisabled
-	origUpdateSettingsDisabled := updateSettingsDisabled
-	origServiceEnvVars := serviceEnvVars
-	t.Cleanup(func() {
-		logLevel = origLogLevel
-		daemonAddr = origDaemonAddr
-		managementURL = origManagementURL
-		configPath = origConfigPath
-		logFiles = origLogFiles
-		profilesDisabled = origProfilesDisabled
-		updateSettingsDisabled = origUpdateSettingsDisabled
-		serviceEnvVars = origServiceEnvVars
-	})
-
-	logLevel = "trace"
-	daemonAddr = "tcp://127.0.0.1:9999"
-	managementURL = "https://mgmt.example.com"
-	configPath = "/tmp/test-config.json"
-	logFiles = []string{"/tmp/test.log"}
-	profilesDisabled = true
-	updateSettingsDisabled = true
-	serviceEnvVars = []string{"FOO=bar", "BAZ=qux"}
-
-	params := currentServiceParams()
-
-	assert.Equal(t, "trace", params.LogLevel)
-	assert.Equal(t, "tcp://127.0.0.1:9999", params.DaemonAddr)
-	assert.Equal(t, "https://mgmt.example.com", params.ManagementURL)
-	assert.Equal(t, "/tmp/test-config.json", params.ConfigPath)
-	assert.Equal(t, []string{"/tmp/test.log"}, params.LogFiles)
-	assert.True(t, params.DisableProfiles)
-	assert.True(t, params.DisableUpdateSettings)
-	assert.Equal(t, map[string]string{"FOO": "bar", "BAZ": "qux"}, params.ServiceEnvVars)
-}
-
-func TestApplyServiceParams_OnlyUnchangedFlags(t *testing.T) {
-	origLogLevel := logLevel
-	origDaemonAddr := daemonAddr
-	origManagementURL := managementURL
-	origConfigPath := configPath
-	origLogFiles := logFiles
-	origProfilesDisabled := profilesDisabled
-	origUpdateSettingsDisabled := updateSettingsDisabled
-	origServiceEnvVars := serviceEnvVars
-	t.Cleanup(func() {
-		logLevel = origLogLevel
-		daemonAddr = origDaemonAddr
-		managementURL = origManagementURL
-		configPath = origConfigPath
-		logFiles = origLogFiles
-		profilesDisabled = origProfilesDisabled
-		updateSettingsDisabled = origUpdateSettingsDisabled
-		serviceEnvVars = origServiceEnvVars
-	})
-
-	// Reset all flags to defaults.
-	logLevel = "info"
-	daemonAddr = "unix:///var/run/netbird.sock"
-	managementURL = ""
-	configPath = "/etc/netbird/config.json"
-	logFiles = []string{"/var/log/netbird/client.log"}
-	profilesDisabled = false
-	updateSettingsDisabled = false
-	serviceEnvVars = nil
-
-	// Reset Changed state on all relevant flags.
-	rootCmd.PersistentFlags().VisitAll(func(f *pflag.Flag) {
-		f.Changed = false
-	})
-	serviceCmd.PersistentFlags().VisitAll(func(f *pflag.Flag) {
-		f.Changed = false
-	})
-
-	// Simulate user explicitly setting --log-level via CLI.
-	logLevel = "warn"
-	require.NoError(t, rootCmd.PersistentFlags().Set("log-level", "warn"))
-
-	saved := &serviceParams{
-		LogLevel:              "debug",
-		DaemonAddr:            "tcp://127.0.0.1:5555",
-		ManagementURL:         "https://saved.example.com",
-		ConfigPath:            "/saved/config.json",
-		LogFiles:              []string{"/saved/client.log"},
-		DisableProfiles:       true,
-		DisableUpdateSettings: true,
-		ServiceEnvVars:        map[string]string{"SAVED_KEY": "saved_val"},
-	}
-
-	cmd := &cobra.Command{}
-	cmd.Flags().StringSlice("service-env", nil, "")
-	applyServiceParams(cmd, saved)
-
-	// log-level was Changed, so it should keep "warn", not use saved "debug".
-	assert.Equal(t, "warn", logLevel)
-
-	// All other fields were not Changed, so they should use saved values.
-	assert.Equal(t, "tcp://127.0.0.1:5555", daemonAddr)
-	assert.Equal(t, "https://saved.example.com", managementURL)
-	assert.Equal(t, "/saved/config.json", configPath)
-	assert.Equal(t, []string{"/saved/client.log"}, logFiles)
-	assert.True(t, profilesDisabled)
-	assert.True(t, updateSettingsDisabled)
-	assert.Equal(t, []string{"SAVED_KEY=saved_val"}, serviceEnvVars)
-}
-
-func TestApplyServiceParams_BooleanRevertToFalse(t *testing.T) {
-	origProfilesDisabled := profilesDisabled
-	origUpdateSettingsDisabled := updateSettingsDisabled
-	t.Cleanup(func() {
-		profilesDisabled = origProfilesDisabled
-		updateSettingsDisabled = origUpdateSettingsDisabled
-	})
-
-	// Simulate current state where booleans are true (e.g. set by previous install).
-	profilesDisabled = true
-	updateSettingsDisabled = true
-
-	// Reset Changed state so flags appear unset.
-	serviceCmd.PersistentFlags().VisitAll(func(f *pflag.Flag) {
-		f.Changed = false
-	})
-
-	// Saved params have both as false.
-	saved := &serviceParams{
-		DisableProfiles:       false,
-		DisableUpdateSettings: false,
-	}
-
-	cmd := &cobra.Command{}
-	cmd.Flags().StringSlice("service-env", nil, "")
-	applyServiceParams(cmd, saved)
-
-	assert.False(t, profilesDisabled, "saved false should override current true")
-	assert.False(t, updateSettingsDisabled, "saved false should override current true")
-}
-
-func TestApplyServiceParams_ClearManagementURL(t *testing.T) {
-	origManagementURL := managementURL
-	t.Cleanup(func() { managementURL = origManagementURL })
-
-	managementURL = "https://leftover.example.com"
-
-	// Simulate saved params where management URL was explicitly cleared.
-	saved := &serviceParams{
-		LogLevel:   "info",
-		DaemonAddr: "unix:///var/run/netbird.sock",
-		// ManagementURL intentionally empty: was cleared with --management-url "".
-	}
-
-	rootCmd.PersistentFlags().VisitAll(func(f *pflag.Flag) {
-		f.Changed = false
-	})
-
-	cmd := &cobra.Command{}
-	cmd.Flags().StringSlice("service-env", nil, "")
-	applyServiceParams(cmd, saved)
-
-	assert.Equal(t, "", managementURL, "saved empty management URL should clear the current value")
-}
-
-func TestApplyServiceParams_NilParams(t *testing.T) {
-	origLogLevel := logLevel
-	t.Cleanup(func() { logLevel = origLogLevel })
-
-	logLevel = "info"
-	cmd := &cobra.Command{}
-	cmd.Flags().StringSlice("service-env", nil, "")
-
-	// Should be a no-op.
-	applyServiceParams(cmd, nil)
-	assert.Equal(t, "info", logLevel)
-}
-
-func TestApplyServiceEnvParams_MergeExplicitAndSaved(t *testing.T) {
-	origServiceEnvVars := serviceEnvVars
-	t.Cleanup(func() { serviceEnvVars = origServiceEnvVars })
-
-	// Set up a command with --service-env marked as Changed.
-	cmd := &cobra.Command{}
-	cmd.Flags().StringSlice("service-env", nil, "")
-	require.NoError(t, cmd.Flags().Set("service-env", "EXPLICIT=yes,OVERLAP=explicit"))
-
-	serviceEnvVars = []string{"EXPLICIT=yes", "OVERLAP=explicit"}
-
-	saved := &serviceParams{
-		ServiceEnvVars: map[string]string{
-			"SAVED":   "val",
-			"OVERLAP": "saved",
-		},
-	}
-
-	applyServiceEnvParams(cmd, saved)
-
-	// Parse result for easier assertion.
-	result, err := parseServiceEnvVars(serviceEnvVars)
-	require.NoError(t, err)
-
-	assert.Equal(t, "yes", result["EXPLICIT"])
-	assert.Equal(t, "val", result["SAVED"])
-	// Explicit wins on conflict.
-	assert.Equal(t, "explicit", result["OVERLAP"])
-}
-
-func TestApplyServiceEnvParams_NotChanged(t *testing.T) {
-	origServiceEnvVars := serviceEnvVars
-	t.Cleanup(func() { serviceEnvVars = origServiceEnvVars })
-
-	serviceEnvVars = nil
-
-	cmd := &cobra.Command{}
-	cmd.Flags().StringSlice("service-env", nil, "")
-
-	saved := &serviceParams{
-		ServiceEnvVars: map[string]string{"FROM_SAVED": "val"},
-	}
-
-	applyServiceEnvParams(cmd, saved)
-
-	result, err := parseServiceEnvVars(serviceEnvVars)
-	require.NoError(t, err)
-	assert.Equal(t, map[string]string{"FROM_SAVED": "val"}, result)
-}
-
-// TestServiceParams_FieldsCoveredInFunctions ensures that all serviceParams fields are
-// referenced in both currentServiceParams() and applyServiceParams(). If a new field is
-// added to serviceParams but not wired into these functions, this test fails.
-func TestServiceParams_FieldsCoveredInFunctions(t *testing.T) {
-	fset := token.NewFileSet()
-	file, err := parser.ParseFile(fset, "service_params.go", nil, 0)
-	require.NoError(t, err)
-
-	// Collect all JSON field names from the serviceParams struct.
-	structFields := extractStructJSONFields(t, file, "serviceParams")
-	require.NotEmpty(t, structFields, "failed to find serviceParams struct fields")
-
-	// Collect field names referenced in currentServiceParams and applyServiceParams.
-	currentFields := extractFuncFieldRefs(t, file, "currentServiceParams", structFields)
-	applyFields := extractFuncFieldRefs(t, file, "applyServiceParams", structFields)
-	// applyServiceEnvParams handles ServiceEnvVars indirectly.
-	applyEnvFields := extractFuncFieldRefs(t, file, "applyServiceEnvParams", structFields)
-	for k, v := range applyEnvFields {
-		applyFields[k] = v
-	}
-
-	for _, field := range structFields {
-		assert.Contains(t, currentFields, field,
-			"serviceParams field %q is not captured in currentServiceParams()", field)
-		assert.Contains(t, applyFields, field,
-			"serviceParams field %q is not restored in applyServiceParams()/applyServiceEnvParams()", field)
-	}
-}
-
-// TestServiceParams_BuildArgsCoversAllFlags ensures that buildServiceArguments references
-// all serviceParams fields that should become CLI args. ServiceEnvVars is excluded because
-// it flows through newSVCConfig() EnvVars, not CLI args.
-func TestServiceParams_BuildArgsCoversAllFlags(t *testing.T) {
-	fset := token.NewFileSet()
-	file, err := parser.ParseFile(fset, "service_params.go", nil, 0)
-	require.NoError(t, err)
-
-	structFields := extractStructJSONFields(t, file, "serviceParams")
-	require.NotEmpty(t, structFields)
-
-	installerFile, err := parser.ParseFile(fset, "service_installer.go", nil, 0)
-	require.NoError(t, err)
-
-	// Fields that are handled outside of buildServiceArguments (env vars go through newSVCConfig).
-	fieldsNotInArgs := map[string]bool{
-		"ServiceEnvVars": true,
-	}
-
-	buildFields := extractFuncGlobalRefs(t, installerFile, "buildServiceArguments")
-
-	// Forward: every struct field must appear in buildServiceArguments.
-	for _, field := range structFields {
-		if fieldsNotInArgs[field] {
-			continue
-		}
-		globalVar := fieldToGlobalVar(field)
-		assert.Contains(t, buildFields, globalVar,
-			"serviceParams field %q (global %q) is not referenced in buildServiceArguments()", field, globalVar)
-	}
-
-	// Reverse: every service-related global used in buildServiceArguments must
-	// have a corresponding serviceParams field. This catches a developer adding
-	// a new flag to buildServiceArguments without adding it to the struct.
-	globalToField := make(map[string]string, len(structFields))
-	for _, field := range structFields {
-		globalToField[fieldToGlobalVar(field)] = field
-	}
-	// Identifiers in buildServiceArguments that are not service params
-	// (builtins, boilerplate, loop variables).
-	nonParamGlobals := map[string]bool{
-		"args": true, "append": true, "string": true, "_": true,
-		"logFile": true, // range variable over logFiles
-	}
-	for ref := range buildFields {
-		if nonParamGlobals[ref] {
-			continue
-		}
-		_, inStruct := globalToField[ref]
-		assert.True(t, inStruct,
-			"buildServiceArguments() references global %q which has no corresponding serviceParams field", ref)
-	}
-}
-
-// extractStructJSONFields returns field names from a named struct type.
-func extractStructJSONFields(t *testing.T, file *ast.File, structName string) []string {
-	t.Helper()
-	var fields []string
-	ast.Inspect(file, func(n ast.Node) bool {
-		ts, ok := n.(*ast.TypeSpec)
-		if !ok || ts.Name.Name != structName {
-			return true
-		}
-		st, ok := ts.Type.(*ast.StructType)
-		if !ok {
-			return false
-		}
-		for _, f := range st.Fields.List {
-			if len(f.Names) > 0 {
-				fields = append(fields, f.Names[0].Name)
-			}
-		}
-		return false
-	})
-	return fields
-}
-
-// extractFuncFieldRefs returns which of the given field names appear inside the
-// named function, either as selector expressions (params.FieldName) or as
-// composite literal keys (&serviceParams{FieldName: ...}).
-func extractFuncFieldRefs(t *testing.T, file *ast.File, funcName string, fields []string) map[string]bool {
-	t.Helper()
-	fieldSet := make(map[string]bool, len(fields))
-	for _, f := range fields {
-		fieldSet[f] = true
-	}
-
-	found := make(map[string]bool)
-	fn := findFuncDecl(file, funcName)
-	require.NotNil(t, fn, "function %s not found", funcName)
-
-	ast.Inspect(fn.Body, func(n ast.Node) bool {
-		switch v := n.(type) {
-		case *ast.SelectorExpr:
-			if fieldSet[v.Sel.Name] {
-				found[v.Sel.Name] = true
-			}
-		case *ast.KeyValueExpr:
-			if ident, ok := v.Key.(*ast.Ident); ok && fieldSet[ident.Name] {
-				found[ident.Name] = true
-			}
-		}
-		return true
-	})
-	return found
-}
-
-// extractFuncGlobalRefs returns all identifier names referenced in the named function body.
-func extractFuncGlobalRefs(t *testing.T, file *ast.File, funcName string) map[string]bool {
-	t.Helper()
-	fn := findFuncDecl(file, funcName)
-	require.NotNil(t, fn, "function %s not found", funcName)
-
-	refs := make(map[string]bool)
-	ast.Inspect(fn.Body, func(n ast.Node) bool {
-		if ident, ok := n.(*ast.Ident); ok {
-			refs[ident.Name] = true
-		}
-		return true
-	})
-	return refs
-}
-
-func findFuncDecl(file *ast.File, name string) *ast.FuncDecl {
-	for _, decl := range file.Decls {
-		fn, ok := decl.(*ast.FuncDecl)
-		if ok && fn.Name.Name == name {
-			return fn
-		}
-	}
-	return nil
-}
-
-// fieldToGlobalVar maps serviceParams field names to the package-level variable
-// names used in buildServiceArguments and applyServiceParams.
-func fieldToGlobalVar(field string) string {
-	m := map[string]string{
-		"LogLevel":              "logLevel",
-		"DaemonAddr":            "daemonAddr",
-		"ManagementURL":         "managementURL",
-		"ConfigPath":            "configPath",
-		"LogFiles":              "logFiles",
-		"DisableProfiles":       "profilesDisabled",
-		"DisableUpdateSettings": "updateSettingsDisabled",
-		"ServiceEnvVars":        "serviceEnvVars",
-	}
-	if v, ok := m[field]; ok {
-		return v
-	}
-	// Default: lowercase first letter.
-	return strings.ToLower(field[:1]) + field[1:]
-}
-
-func TestEnvMapToSlice(t *testing.T) {
-	m := map[string]string{"A": "1", "B": "2"}
-	s := envMapToSlice(m)
-	assert.Len(t, s, 2)
-	assert.Contains(t, s, "A=1")
-	assert.Contains(t, s, "B=2")
-}
-
-func TestEnvMapToSlice_Empty(t *testing.T) {
-	s := envMapToSlice(map[string]string{})
-	assert.Empty(t, s)
-}

client/cmd/service_test.go

@@ -4,9 +4,7 @@ import (
 	"context"
 	"fmt"
 	"os"
-	"os/signal"
 	"runtime"
-	"syscall"
 	"testing"
 	"time"
 
@@ -15,22 +13,6 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// TestMain intercepts when this test binary is run as a daemon subprocess.
-// On FreeBSD, the rc.d service script runs the binary via daemon(8) -r with
-// "service run ..." arguments. Since the test binary can't handle cobra CLI
-// args, it exits immediately, causing daemon -r to respawn rapidly until
-// hitting the rate limit and exiting. This makes service restart unreliable.
-// Blocking here keeps the subprocess alive until the init system sends SIGTERM.
-func TestMain(m *testing.M) {
-	if len(os.Args) > 2 && os.Args[1] == "service" && os.Args[2] == "run" {
-		sig := make(chan os.Signal, 1)
-		signal.Notify(sig, syscall.SIGTERM, os.Interrupt)
-		<-sig
-		return
-	}
-	os.Exit(m.Run())
-}
-
 const (
 	serviceStartTimeout = 10 * time.Second
 	serviceStopTimeout  = 5 * time.Second
@@ -97,34 +79,6 @@ func TestServiceLifecycle(t *testing.T) {
 	logLevel = "info"
 	daemonAddr = fmt.Sprintf("unix://%s/netbird-test.sock", tempDir)
 
-	// Ensure cleanup even if a subtest fails and Stop/Uninstall subtests don't run.
-	t.Cleanup(func() {
-		cfg, err := newSVCConfig()
-		if err != nil {
-			t.Errorf("cleanup: create service config: %v", err)
-			return
-		}
-		ctxSvc, cancel := context.WithCancel(context.Background())
-		defer cancel()
-		s, err := newSVC(newProgram(ctxSvc, cancel), cfg)
-		if err != nil {
-			t.Errorf("cleanup: create service: %v", err)
-			return
-		}
-
-		// If the subtests already cleaned up, there's nothing to do.
-		if _, err := s.Status(); err != nil {
-			return
-		}
-
-		if err := s.Stop(); err != nil {
-			t.Errorf("cleanup: stop service: %v", err)
-		}
-		if err := s.Uninstall(); err != nil {
-			t.Errorf("cleanup: uninstall service: %v", err)
-		}
-	})
-
 	ctx := context.Background()
 
 	t.Run("Install", func(t *testing.T) {

client/cmd/signer/artifactkey.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"github.com/netbirdio/netbird/client/internal/updater/reposign"
+	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
 )
 
 var (

client/cmd/signer/artifactsign.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"github.com/netbirdio/netbird/client/internal/updater/reposign"
+	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
 )
 
 const (

client/cmd/signer/revocation.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"github.com/netbirdio/netbird/client/internal/updater/reposign"
+	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
 )
 
 const (

client/cmd/signer/rootkey.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/spf13/cobra"
 
-	"github.com/netbirdio/netbird/client/internal/updater/reposign"
+	"github.com/netbirdio/netbird/client/internal/updatemanager/reposign"
 )
 
 var (

client/cmd/status.go

@@ -28,7 +28,6 @@ var (
 	ipsFilterMap         map[string]struct{}
 	prefixNamesFilterMap map[string]struct{}
 	connectionTypeFilter string
-	checkFlag            string
 )
 
 var statusCmd = &cobra.Command{
@@ -50,7 +49,6 @@ func init() {
 	statusCmd.PersistentFlags().StringSliceVar(&prefixNamesFilter, "filter-by-names", []string{}, "filters the detailed output by a list of one or more peer FQDN or hostnames, e.g., --filter-by-names peer-a,peer-b.netbird.cloud")
 	statusCmd.PersistentFlags().StringVar(&statusFilter, "filter-by-status", "", "filters the detailed output by connection status(idle|connecting|connected), e.g., --filter-by-status connected")
 	statusCmd.PersistentFlags().StringVar(&connectionTypeFilter, "filter-by-connection-type", "", "filters the detailed output by connection type (P2P|Relayed), e.g., --filter-by-connection-type P2P")
-	statusCmd.PersistentFlags().StringVar(&checkFlag, "check", "", "run a health check and exit with code 0 on success, 1 on failure (live|ready|startup)")
 }
 
 func statusFunc(cmd *cobra.Command, args []string) error {
@@ -58,10 +56,6 @@ func statusFunc(cmd *cobra.Command, args []string) error {
 
 	cmd.SetOut(cmd.OutOrStdout())
 
-	if checkFlag != "" {
-		return runHealthCheck(cmd)
-	}
-
 	err := parseFilters()
 	if err != nil {
 		return err
@@ -74,17 +68,15 @@ func statusFunc(cmd *cobra.Command, args []string) error {
 
 	ctx := internal.CtxInitState(cmd.Context())
 
-	resp, err := getStatus(ctx, true, false)
+	resp, err := getStatus(ctx, false)
 	if err != nil {
 		return err
 	}
 
 	status := resp.GetStatus()
 
-	needsAuth := status == string(internal.StatusNeedsLogin) || status == string(internal.StatusLoginFailed) ||
-		status == string(internal.StatusSessionExpired)
-
-	if needsAuth && !jsonFlag && !yamlFlag {
+	if status == string(internal.StatusNeedsLogin) || status == string(internal.StatusLoginFailed) ||
+		status == string(internal.StatusSessionExpired) {
 		cmd.Printf("Daemon status: %s\n\n"+
 			"Run UP command to log in with SSO (interactive login):\n\n"+
 			" netbird up \n\n"+
@@ -107,17 +99,7 @@ func statusFunc(cmd *cobra.Command, args []string) error {
 		profName = activeProf.Name
 	}
 
-	var outputInformationHolder = nbstatus.ConvertToStatusOutputOverview(resp.GetFullStatus(), nbstatus.ConvertOptions{
-		Anonymize:            anonymizeFlag,
-		DaemonVersion:        resp.GetDaemonVersion(),
-		DaemonStatus:         nbstatus.ParseDaemonStatus(status),
-		StatusFilter:         statusFilter,
-		PrefixNamesFilter:    prefixNamesFilter,
-		PrefixNamesFilterMap: prefixNamesFilterMap,
-		IPsFilter:            ipsFilterMap,
-		ConnectionTypeFilter: connectionTypeFilter,
-		ProfileName:          profName,
-	})
+	var outputInformationHolder = nbstatus.ConvertToStatusOutputOverview(resp.GetFullStatus(), anonymizeFlag, resp.GetDaemonVersion(), statusFilter, prefixNamesFilter, prefixNamesFilterMap, ipsFilterMap, connectionTypeFilter, profName)
 	var statusOutputString string
 	switch {
 	case detailFlag:
@@ -139,7 +121,7 @@ func statusFunc(cmd *cobra.Command, args []string) error {
 	return nil
 }
 
-func getStatus(ctx context.Context, fullPeerStatus bool, shouldRunProbes bool) (*proto.StatusResponse, error) {
+func getStatus(ctx context.Context, shouldRunProbes bool) (*proto.StatusResponse, error) {
 	conn, err := DialClientGRPCServer(ctx, daemonAddr)
 	if err != nil {
 		//nolint
@@ -149,7 +131,7 @@ func getStatus(ctx context.Context, fullPeerStatus bool, shouldRunProbes bool) (
 	}
 	defer conn.Close()
 
-	resp, err := proto.NewDaemonServiceClient(conn).Status(ctx, &proto.StatusRequest{GetFullPeerStatus: fullPeerStatus, ShouldRunProbes: shouldRunProbes})
+	resp, err := proto.NewDaemonServiceClient(conn).Status(ctx, &proto.StatusRequest{GetFullPeerStatus: true, ShouldRunProbes: shouldRunProbes})
 	if err != nil {
 		return nil, fmt.Errorf("status failed: %v", status.Convert(err).Message())
 	}
@@ -203,83 +185,6 @@ func enableDetailFlagWhenFilterFlag() {
 	}
 }
 
-func runHealthCheck(cmd *cobra.Command) error {
-	check := strings.ToLower(checkFlag)
-	switch check {
-	case "live", "ready", "startup":
-	default:
-		return fmt.Errorf("unknown check %q, must be one of: live, ready, startup", checkFlag)
-	}
-
-	if err := util.InitLog(logLevel, util.LogConsole); err != nil {
-		return fmt.Errorf("init log: %w", err)
-	}
-
-	ctx := internal.CtxInitState(cmd.Context())
-
-	isStartup := check == "startup"
-	resp, err := getStatus(ctx, isStartup, false)
-	if err != nil {
-		return err
-	}
-
-	switch check {
-	case "live":
-		return nil
-	case "ready":
-		return checkReadiness(resp)
-	case "startup":
-		return checkStartup(resp)
-	default:
-		return nil
-	}
-}
-
-func checkReadiness(resp *proto.StatusResponse) error {
-	daemonStatus := internal.StatusType(resp.GetStatus())
-	switch daemonStatus {
-	case internal.StatusIdle, internal.StatusConnecting, internal.StatusConnected:
-		return nil
-	case internal.StatusNeedsLogin, internal.StatusLoginFailed, internal.StatusSessionExpired:
-		return fmt.Errorf("readiness check: daemon status is %s", daemonStatus)
-	default:
-		return fmt.Errorf("readiness check: unexpected daemon status %q", daemonStatus)
-	}
-}
-
-func checkStartup(resp *proto.StatusResponse) error {
-	fullStatus := resp.GetFullStatus()
-	if fullStatus == nil {
-		return fmt.Errorf("startup check: no full status available")
-	}
-
-	if !fullStatus.GetManagementState().GetConnected() {
-		return fmt.Errorf("startup check: management not connected")
-	}
-
-	if !fullStatus.GetSignalState().GetConnected() {
-		return fmt.Errorf("startup check: signal not connected")
-	}
-
-	var relayCount, relaysConnected int
-	for _, r := range fullStatus.GetRelays() {
-		uri := r.GetURI()
-		if !strings.HasPrefix(uri, "rel://") && !strings.HasPrefix(uri, "rels://") {
-			continue
-		}
-		relayCount++
-		if r.GetAvailable() {
-			relaysConnected++
-		}
-	}
-
-	if relayCount > 0 && relaysConnected == 0 {
-		return fmt.Errorf("startup check: no relay servers available (0/%d connected)", relayCount)
-	}
-
-	return nil
-}
-
 func parseInterfaceIP(interfaceIP string) string {
 	ip, _, err := net.ParseCIDR(interfaceIP)
 	if err != nil {

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)
+	connectClient := internal.NewConnectClient(ctx, config, r, false)
 	SetupDebugHandler(ctx, config, r, connectClient, "")
 
 	return connectClient.Run(nil, util.FindFirstLogPath(logFiles))

client/cmd/update_supported.go

@@ -11,7 +11,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 
-	"github.com/netbirdio/netbird/client/internal/updater/installer"
+	"github.com/netbirdio/netbird/client/internal/updatemanager/installer"
 	"github.com/netbirdio/netbird/util"
 )
 

client/embed/embed.go

@@ -14,7 +14,6 @@ import (
 	"github.com/sirupsen/logrus"
 	wgnetstack "golang.zx2c4.com/wireguard/tun/netstack"
 
-	"github.com/netbirdio/netbird/client/iface"
 	"github.com/netbirdio/netbird/client/iface/netstack"
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/auth"
@@ -22,7 +21,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	sshcommon "github.com/netbirdio/netbird/client/ssh"
 	"github.com/netbirdio/netbird/client/system"
-	"github.com/netbirdio/netbird/shared/management/domain"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
 )
 
@@ -33,14 +31,14 @@ var (
 	ErrConfigNotInitialized = errors.New("config not initialized")
 )
 
+// PeerConnStatus is a peer's connection status.
+type PeerConnStatus = peer.ConnStatus
+
 const (
 	// PeerStatusConnected indicates the peer is in connected state.
 	PeerStatusConnected = peer.StatusConnected
 )
 
-// PeerConnStatus is a peer's connection status.
-type PeerConnStatus = peer.ConnStatus
-
 // Client manages a netbird embedded client instance.
 type Client struct {
 	deviceName string
@@ -83,14 +81,6 @@ type Options struct {
 	BlockInbound bool
 	// WireguardPort is the port for the WireGuard interface. Use 0 for a random port.
 	WireguardPort *int
-	// MTU is the MTU for the WireGuard interface.
-	// Valid values are in the range 576..8192 bytes.
-	// If non-nil, this value overrides any value stored in the config file.
-	// If nil, the existing config MTU (if non-zero) is preserved; otherwise it defaults to 1280.
-	// Set to a higher value (e.g. 1400) if carrying QUIC or other protocols that require larger datagrams.
-	MTU *uint16
-	// DNSLabels defines additional DNS labels configured in the peer.
-	DNSLabels []string
 }
 
 // validateCredentials checks that exactly one credential type is provided
@@ -122,12 +112,6 @@ func New(opts Options) (*Client, error) {
 		return nil, err
 	}
 
-	if opts.MTU != nil {
-		if err := iface.ValidateMTU(*opts.MTU); err != nil {
-			return nil, fmt.Errorf("invalid MTU: %w", err)
-		}
-	}
-
 	if opts.LogOutput != nil {
 		logrus.SetOutput(opts.LogOutput)
 	}
@@ -156,14 +140,9 @@ func New(opts Options) (*Client, error) {
 		}
 	}
 
-	var err error
-	var parsedLabels domain.List
-	if parsedLabels, err = domain.FromStringList(opts.DNSLabels); err != nil {
-		return nil, fmt.Errorf("invalid dns labels: %w", err)
-	}
-
 	t := true
 	var config *profilemanager.Config
+	var err error
 	input := profilemanager.ConfigInput{
 		ConfigPath:          opts.ConfigPath,
 		ManagementURL:       opts.ManagementURL,
@@ -172,8 +151,6 @@ func New(opts Options) (*Client, error) {
 		DisableClientRoutes: &opts.DisableClientRoutes,
 		BlockInbound:        &opts.BlockInbound,
 		WireguardPort:       opts.WireguardPort,
-		MTU:                 opts.MTU,
-		DNSLabels:           parsedLabels,
 	}
 	if opts.ConfigPath != "" {
 		config, err = profilemanager.UpdateOrCreateConfig(input)
@@ -225,7 +202,7 @@ func (c *Client) Start(startCtx context.Context) error {
 	if err, _ := authClient.Login(ctx, c.setupKey, c.jwtToken); err != nil {
 		return fmt.Errorf("login: %w", err)
 	}
-	client := internal.NewConnectClient(ctx, c.config, c.recorder)
+	client := internal.NewConnectClient(ctx, c.config, c.recorder, false)
 	client.SetSyncResponsePersistence(true)
 
 	// either startup error (permanent backoff err) or nil err (successful engine up)
@@ -375,32 +352,6 @@ func (c *Client) NewHTTPClient() *http.Client {
 	}
 }
 
-// Expose exposes a local service via the NetBird reverse proxy, making it accessible through a public URL.
-// It returns an ExposeSession. Call Wait on the session to keep it alive.
-func (c *Client) Expose(ctx context.Context, req ExposeRequest) (*ExposeSession, error) {
-	engine, err := c.getEngine()
-	if err != nil {
-		return nil, err
-	}
-
-	mgr := engine.GetExposeManager()
-	if mgr == nil {
-		return nil, fmt.Errorf("expose manager not available")
-	}
-
-	resp, err := mgr.Expose(ctx, req)
-	if err != nil {
-		return nil, fmt.Errorf("expose: %w", err)
-	}
-
-	return &ExposeSession{
-		Domain:      resp.Domain,
-		ServiceName: resp.ServiceName,
-		ServiceURL:  resp.ServiceURL,
-		mgr:         mgr,
-	}, nil
-}
-
 // Status returns the current status of the client.
 func (c *Client) Status() (peer.FullStatus, error) {
 	c.mu.Lock()

client/embed/expose.go

@@ -1,45 +0,0 @@
-package embed
-
-import (
-	"context"
-	"errors"
-
-	"github.com/netbirdio/netbird/client/internal/expose"
-)
-
-const (
-	// ExposeProtocolHTTP exposes the service as HTTP.
-	ExposeProtocolHTTP = expose.ProtocolHTTP
-	// ExposeProtocolHTTPS exposes the service as HTTPS.
-	ExposeProtocolHTTPS = expose.ProtocolHTTPS
-	// ExposeProtocolTCP exposes the service as TCP.
-	ExposeProtocolTCP = expose.ProtocolTCP
-	// ExposeProtocolUDP exposes the service as UDP.
-	ExposeProtocolUDP = expose.ProtocolUDP
-	// ExposeProtocolTLS exposes the service as TLS.
-	ExposeProtocolTLS = expose.ProtocolTLS
-)
-
-// ExposeRequest is a request to expose a local service via the NetBird reverse proxy.
-type ExposeRequest = expose.Request
-
-// ExposeProtocolType represents the protocol used for exposing a service.
-type ExposeProtocolType = expose.ProtocolType
-
-// ExposeSession represents an active expose session. Use Wait to block until the session ends.
-type ExposeSession struct {
-	Domain      string
-	ServiceName string
-	ServiceURL  string
-
-	mgr *expose.Manager
-}
-
-// Wait blocks while keeping the expose session alive.
-// It returns when ctx is cancelled or a keep-alive error occurs, then terminates the session.
-func (s *ExposeSession) Wait(ctx context.Context) error {
-	if s == nil || s.mgr == nil {
-		return errors.New("expose session is not initialized")
-	}
-	return s.mgr.KeepAlive(ctx, s.Domain)
-}

client/firewall/iptables/manager_linux.go

@@ -23,10 +23,9 @@ type Manager struct {
 
 	wgIface iFaceMapper
 
-	ipv4Client   *iptables.IPTables
-	aclMgr       *aclManager
-	router       *router
-	rawSupported bool
+	ipv4Client *iptables.IPTables
+	aclMgr     *aclManager
+	router     *router
 }
 
 // iFaceMapper defines subset methods of interface required for manager
@@ -85,7 +84,7 @@ func (m *Manager) Init(stateManager *statemanager.Manager) error {
 	}
 
 	if err := m.initNoTrackChain(); err != nil {
-		log.Warnf("raw table not available, notrack rules will be disabled: %v", err)
+		return fmt.Errorf("init notrack chain: %w", err)
 	}
 
 	// persist early to ensure cleanup of chains
@@ -286,22 +285,6 @@ func (m *Manager) RemoveInboundDNAT(localAddr netip.Addr, protocol firewall.Prot
 	return m.router.RemoveInboundDNAT(localAddr, protocol, sourcePort, targetPort)
 }
 
-// AddOutputDNAT adds an OUTPUT chain DNAT rule for locally-generated traffic.
-func (m *Manager) AddOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	m.mutex.Lock()
-	defer m.mutex.Unlock()
-
-	return m.router.AddOutputDNAT(localAddr, protocol, sourcePort, targetPort)
-}
-
-// RemoveOutputDNAT removes an OUTPUT chain DNAT rule.
-func (m *Manager) RemoveOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	m.mutex.Lock()
-	defer m.mutex.Unlock()
-
-	return m.router.RemoveOutputDNAT(localAddr, protocol, sourcePort, targetPort)
-}
-
 const (
 	chainNameRaw = "NETBIRD-RAW"
 	chainOUTPUT  = "OUTPUT"
@@ -335,10 +318,6 @@ func (m *Manager) SetupEBPFProxyNoTrack(proxyPort, wgPort uint16) error {
 	m.mutex.Lock()
 	defer m.mutex.Unlock()
 
-	if !m.rawSupported {
-		return fmt.Errorf("raw table not available")
-	}
-
 	wgPortStr := fmt.Sprintf("%d", wgPort)
 	proxyPortStr := fmt.Sprintf("%d", proxyPort)
 
@@ -396,16 +375,12 @@ func (m *Manager) initNoTrackChain() error {
 		return fmt.Errorf("add prerouting jump rule: %w", err)
 	}
 
-	m.rawSupported = true
 	return nil
 }
 
 func (m *Manager) cleanupNoTrackChain() error {
 	exists, err := m.ipv4Client.ChainExists(tableRaw, chainNameRaw)
 	if err != nil {
-		if !m.rawSupported {
-			return nil
-		}
 		return fmt.Errorf("check chain exists: %w", err)
 	}
 	if !exists {
@@ -426,7 +401,6 @@ func (m *Manager) cleanupNoTrackChain() error {
 		return fmt.Errorf("clear and delete chain: %w", err)
 	}
 
-	m.rawSupported = false
 	return nil
 }
 

client/firewall/iptables/router_linux.go

@@ -36,7 +36,6 @@ const (
 	chainRTFWDOUT           = "NETBIRD-RT-FWD-OUT"
 	chainRTPRE              = "NETBIRD-RT-PRE"
 	chainRTRDR              = "NETBIRD-RT-RDR"
-	chainNATOutput          = "NETBIRD-NAT-OUTPUT"
 	chainRTMSSCLAMP         = "NETBIRD-RT-MSSCLAMP"
 	routingFinalForwardJump = "ACCEPT"
 	routingFinalNatJump     = "MASQUERADE"
@@ -44,7 +43,6 @@ const (
 	jumpManglePre  = "jump-mangle-pre"
 	jumpNatPre     = "jump-nat-pre"
 	jumpNatPost    = "jump-nat-post"
-	jumpNatOutput  = "jump-nat-output"
 	jumpMSSClamp   = "jump-mss-clamp"
 	markManglePre  = "mark-mangle-pre"
 	markManglePost = "mark-mangle-post"
@@ -389,14 +387,6 @@ func (r *router) cleanUpDefaultForwardRules() error {
 	}
 
 	log.Debug("flushing routing related tables")
-
-	// Remove jump rules from built-in chains before deleting custom chains,
-	// otherwise the chain deletion fails with "device or resource busy".
-	jumpRule := []string{"-j", chainNATOutput}
-	if err := r.iptablesClient.Delete(tableNat, "OUTPUT", jumpRule...); err != nil {
-		log.Debugf("clean OUTPUT jump rule: %v", err)
-	}
-
 	for _, chainInfo := range []struct {
 		chain string
 		table string
@@ -406,7 +396,6 @@ func (r *router) cleanUpDefaultForwardRules() error {
 		{chainRTPRE, tableMangle},
 		{chainRTNAT, tableNat},
 		{chainRTRDR, tableNat},
-		{chainNATOutput, tableNat},
 		{chainRTMSSCLAMP, tableMangle},
 	} {
 		ok, err := r.iptablesClient.ChainExists(chainInfo.table, chainInfo.chain)
@@ -981,81 +970,6 @@ func (r *router) RemoveInboundDNAT(localAddr netip.Addr, protocol firewall.Proto
 	return nil
 }
 
-// ensureNATOutputChain lazily creates the OUTPUT NAT chain and jump rule on first use.
-func (r *router) ensureNATOutputChain() error {
-	if _, exists := r.rules[jumpNatOutput]; exists {
-		return nil
-	}
-
-	chainExists, err := r.iptablesClient.ChainExists(tableNat, chainNATOutput)
-	if err != nil {
-		return fmt.Errorf("check chain %s: %w", chainNATOutput, err)
-	}
-	if !chainExists {
-		if err := r.iptablesClient.NewChain(tableNat, chainNATOutput); err != nil {
-			return fmt.Errorf("create chain %s: %w", chainNATOutput, err)
-		}
-	}
-
-	jumpRule := []string{"-j", chainNATOutput}
-	if err := r.iptablesClient.Insert(tableNat, "OUTPUT", 1, jumpRule...); err != nil {
-		if !chainExists {
-			if delErr := r.iptablesClient.ClearAndDeleteChain(tableNat, chainNATOutput); delErr != nil {
-				log.Warnf("failed to rollback chain %s: %v", chainNATOutput, delErr)
-			}
-		}
-		return fmt.Errorf("add OUTPUT jump rule: %w", err)
-	}
-	r.rules[jumpNatOutput] = jumpRule
-
-	r.updateState()
-	return nil
-}
-
-// AddOutputDNAT adds an OUTPUT chain DNAT rule for locally-generated traffic.
-func (r *router) AddOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	ruleID := fmt.Sprintf("output-dnat-%s-%s-%d-%d", localAddr.String(), protocol, sourcePort, targetPort)
-
-	if _, exists := r.rules[ruleID]; exists {
-		return nil
-	}
-
-	if err := r.ensureNATOutputChain(); err != nil {
-		return err
-	}
-
-	dnatRule := []string{
-		"-p", strings.ToLower(string(protocol)),
-		"--dport", strconv.Itoa(int(sourcePort)),
-		"-d", localAddr.String(),
-		"-j", "DNAT",
-		"--to-destination", ":" + strconv.Itoa(int(targetPort)),
-	}
-
-	if err := r.iptablesClient.Append(tableNat, chainNATOutput, dnatRule...); err != nil {
-		return fmt.Errorf("add output DNAT rule: %w", err)
-	}
-	r.rules[ruleID] = dnatRule
-
-	r.updateState()
-	return nil
-}
-
-// RemoveOutputDNAT removes an OUTPUT chain DNAT rule.
-func (r *router) RemoveOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	ruleID := fmt.Sprintf("output-dnat-%s-%s-%d-%d", localAddr.String(), protocol, sourcePort, targetPort)
-
-	if dnatRule, exists := r.rules[ruleID]; exists {
-		if err := r.iptablesClient.Delete(tableNat, chainNATOutput, dnatRule...); err != nil {
-			return fmt.Errorf("delete output DNAT rule: %w", err)
-		}
-		delete(r.rules, ruleID)
-	}
-
-	r.updateState()
-	return nil
-}
-
 func applyPort(flag string, port *firewall.Port) []string {
 	if port == nil {
 		return nil

client/firewall/manager/firewall.go

@@ -169,14 +169,6 @@ type Manager interface {
 	// RemoveInboundDNAT removes inbound DNAT rule
 	RemoveInboundDNAT(localAddr netip.Addr, protocol Protocol, sourcePort, targetPort uint16) error
 
-	// AddOutputDNAT adds an OUTPUT chain DNAT rule for locally-generated traffic.
-	// localAddr must be IPv4; the underlying iptables/nftables backends are IPv4-only.
-	AddOutputDNAT(localAddr netip.Addr, protocol Protocol, sourcePort, targetPort uint16) error
-
-	// RemoveOutputDNAT removes an OUTPUT chain DNAT rule.
-	// localAddr must be IPv4; the underlying iptables/nftables backends are IPv4-only.
-	RemoveOutputDNAT(localAddr netip.Addr, protocol Protocol, sourcePort, targetPort uint16) error
-
 	// SetupEBPFProxyNoTrack creates static notrack rules for eBPF proxy loopback traffic.
 	// This prevents conntrack from interfering with WireGuard proxy communication.
 	SetupEBPFProxyNoTrack(proxyPort, wgPort uint16) error

client/firewall/nftables/manager_linux.go

@@ -95,7 +95,7 @@ func (m *Manager) Init(stateManager *statemanager.Manager) error {
 	}
 
 	if err := m.initNoTrackChains(workTable); err != nil {
-		log.Warnf("raw priority chains not available, notrack rules will be disabled: %v", err)
+		return fmt.Errorf("init notrack chains: %w", err)
 	}
 
 	stateManager.RegisterState(&ShutdownState{})
@@ -346,22 +346,6 @@ func (m *Manager) RemoveInboundDNAT(localAddr netip.Addr, protocol firewall.Prot
 	return m.router.RemoveInboundDNAT(localAddr, protocol, sourcePort, targetPort)
 }
 
-// AddOutputDNAT adds an OUTPUT chain DNAT rule for locally-generated traffic.
-func (m *Manager) AddOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	m.mutex.Lock()
-	defer m.mutex.Unlock()
-
-	return m.router.AddOutputDNAT(localAddr, protocol, sourcePort, targetPort)
-}
-
-// RemoveOutputDNAT removes an OUTPUT chain DNAT rule.
-func (m *Manager) RemoveOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	m.mutex.Lock()
-	defer m.mutex.Unlock()
-
-	return m.router.RemoveOutputDNAT(localAddr, protocol, sourcePort, targetPort)
-}
-
 const (
 	chainNameRawOutput     = "netbird-raw-out"
 	chainNameRawPrerouting = "netbird-raw-pre"

client/firewall/nftables/router_linux.go

@@ -36,7 +36,6 @@ const (
 	chainNameRoutingFw     = "netbird-rt-fwd"
 	chainNameRoutingNat    = "netbird-rt-postrouting"
 	chainNameRoutingRdr    = "netbird-rt-redirect"
-	chainNameNATOutput     = "netbird-nat-output"
 	chainNameForward       = "FORWARD"
 	chainNameMangleForward = "netbird-mangle-forward"
 
@@ -1854,130 +1853,6 @@ func (r *router) RemoveInboundDNAT(localAddr netip.Addr, protocol firewall.Proto
 	return nil
 }
 
-// ensureNATOutputChain lazily creates the OUTPUT NAT chain on first use.
-func (r *router) ensureNATOutputChain() error {
-	if _, exists := r.chains[chainNameNATOutput]; exists {
-		return nil
-	}
-
-	r.chains[chainNameNATOutput] = r.conn.AddChain(&nftables.Chain{
-		Name:     chainNameNATOutput,
-		Table:    r.workTable,
-		Hooknum:  nftables.ChainHookOutput,
-		Priority: nftables.ChainPriorityNATDest,
-		Type:     nftables.ChainTypeNAT,
-	})
-
-	if err := r.conn.Flush(); err != nil {
-		delete(r.chains, chainNameNATOutput)
-		return fmt.Errorf("create NAT output chain: %w", err)
-	}
-	return nil
-}
-
-// AddOutputDNAT adds an OUTPUT chain DNAT rule for locally-generated traffic.
-func (r *router) AddOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	ruleID := fmt.Sprintf("output-dnat-%s-%s-%d-%d", localAddr.String(), protocol, sourcePort, targetPort)
-
-	if _, exists := r.rules[ruleID]; exists {
-		return nil
-	}
-
-	if err := r.ensureNATOutputChain(); err != nil {
-		return err
-	}
-
-	protoNum, err := protoToInt(protocol)
-	if err != nil {
-		return fmt.Errorf("convert protocol to number: %w", err)
-	}
-
-	exprs := []expr.Any{
-		&expr.Meta{Key: expr.MetaKeyL4PROTO, Register: 1},
-		&expr.Cmp{
-			Op:       expr.CmpOpEq,
-			Register: 1,
-			Data:     []byte{protoNum},
-		},
-		&expr.Payload{
-			DestRegister: 2,
-			Base:         expr.PayloadBaseTransportHeader,
-			Offset:       2,
-			Len:          2,
-		},
-		&expr.Cmp{
-			Op:       expr.CmpOpEq,
-			Register: 2,
-			Data:     binaryutil.BigEndian.PutUint16(sourcePort),
-		},
-	}
-
-	exprs = append(exprs, applyPrefix(netip.PrefixFrom(localAddr, 32), false)...)
-
-	exprs = append(exprs,
-		&expr.Immediate{
-			Register: 1,
-			Data:     localAddr.AsSlice(),
-		},
-		&expr.Immediate{
-			Register: 2,
-			Data:     binaryutil.BigEndian.PutUint16(targetPort),
-		},
-		&expr.NAT{
-			Type:        expr.NATTypeDestNAT,
-			Family:      uint32(nftables.TableFamilyIPv4),
-			RegAddrMin:  1,
-			RegProtoMin: 2,
-		},
-	)
-
-	dnatRule := &nftables.Rule{
-		Table:    r.workTable,
-		Chain:    r.chains[chainNameNATOutput],
-		Exprs:    exprs,
-		UserData: []byte(ruleID),
-	}
-	r.conn.AddRule(dnatRule)
-
-	if err := r.conn.Flush(); err != nil {
-		return fmt.Errorf("add output DNAT rule: %w", err)
-	}
-
-	r.rules[ruleID] = dnatRule
-
-	return nil
-}
-
-// RemoveOutputDNAT removes an OUTPUT chain DNAT rule.
-func (r *router) RemoveOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	if err := r.refreshRulesMap(); err != nil {
-		return fmt.Errorf(refreshRulesMapError, err)
-	}
-
-	ruleID := fmt.Sprintf("output-dnat-%s-%s-%d-%d", localAddr.String(), protocol, sourcePort, targetPort)
-
-	rule, exists := r.rules[ruleID]
-	if !exists {
-		return nil
-	}
-
-	if rule.Handle == 0 {
-		log.Warnf("output DNAT rule %s has no handle, removing stale entry", ruleID)
-		delete(r.rules, ruleID)
-		return nil
-	}
-
-	if err := r.conn.DelRule(rule); err != nil {
-		return fmt.Errorf("delete output DNAT rule %s: %w", ruleID, err)
-	}
-	if err := r.conn.Flush(); err != nil {
-		return fmt.Errorf("flush delete output DNAT rule: %w", err)
-	}
-	delete(r.rules, ruleID)
-
-	return nil
-}
-
 // applyNetwork generates nftables expressions for networks (CIDR) or sets
 func (r *router) applyNetwork(
 	network firewall.Network,

client/firewall/uspfilter/filter.go

@@ -140,17 +140,6 @@ type Manager struct {
 	mtu             uint16
 	mssClampValue   uint16
 	mssClampEnabled bool
-
-	// Only one hook per protocol is supported. Outbound direction only.
-	udpHookOut atomic.Pointer[packetHook]
-	tcpHookOut atomic.Pointer[packetHook]
-}
-
-// packetHook stores a registered hook for a specific IP:port.
-type packetHook struct {
-	ip   netip.Addr
-	port uint16
-	fn   func([]byte) bool
 }
 
 // decoder for packages
@@ -605,8 +594,6 @@ func (m *Manager) resetState() {
 	maps.Clear(m.incomingRules)
 	maps.Clear(m.routeRulesMap)
 	m.routeRules = m.routeRules[:0]
-	m.udpHookOut.Store(nil)
-	m.tcpHookOut.Store(nil)
 
 	if m.udpTracker != nil {
 		m.udpTracker.Close()
@@ -726,9 +713,6 @@ func (m *Manager) filterOutbound(packetData []byte, size int) bool {
 			return true
 		}
 	case layers.LayerTypeTCP:
-		if m.tcpHooksDrop(uint16(d.tcp.DstPort), dstIP, packetData) {
-			return true
-		}
 		// Clamp MSS on all TCP SYN packets, including those from local IPs.
 		// SNATed routed traffic may appear as local IP but still requires clamping.
 		if m.mssClampEnabled {
@@ -911,21 +895,38 @@ func (m *Manager) trackInbound(d *decoder, srcIP, dstIP netip.Addr, ruleID []byt
 	d.dnatOrigPort = 0
 }
 
+// udpHooksDrop checks if any UDP hooks should drop the packet
 func (m *Manager) udpHooksDrop(dport uint16, dstIP netip.Addr, packetData []byte) bool {
-	return hookMatches(m.udpHookOut.Load(), dstIP, dport, packetData)
-}
+	m.mutex.RLock()
+	defer m.mutex.RUnlock()
 
-func (m *Manager) tcpHooksDrop(dport uint16, dstIP netip.Addr, packetData []byte) bool {
-	return hookMatches(m.tcpHookOut.Load(), dstIP, dport, packetData)
-}
+	// Check specific destination IP first
+	if rules, exists := m.outgoingRules[dstIP]; exists {
+		for _, rule := range rules {
+			if rule.udpHook != nil && portsMatch(rule.dPort, dport) {
+				return rule.udpHook(packetData)
+			}
+		}
+	}
 
-func hookMatches(h *packetHook, dstIP netip.Addr, dport uint16, packetData []byte) bool {
-	if h == nil {
-		return false
+	// Check IPv4 unspecified address
+	if rules, exists := m.outgoingRules[netip.IPv4Unspecified()]; exists {
+		for _, rule := range rules {
+			if rule.udpHook != nil && portsMatch(rule.dPort, dport) {
+				return rule.udpHook(packetData)
+			}
+		}
 	}
-	if h.ip == dstIP && h.port == dport {
-		return h.fn(packetData)
+
+	// Check IPv6 unspecified address
+	if rules, exists := m.outgoingRules[netip.IPv6Unspecified()]; exists {
+		for _, rule := range rules {
+			if rule.udpHook != nil && portsMatch(rule.dPort, dport) {
+				return rule.udpHook(packetData)
+			}
+		}
 	}
+
 	return false
 }
 
@@ -1277,6 +1278,12 @@ func validateRule(ip netip.Addr, packetData []byte, rules map[string]PeerRule, d
 				return rule.mgmtId, rule.drop, true
 			}
 		case layers.LayerTypeUDP:
+			// if rule has UDP hook (and if we are here we match this rule)
+			// we ignore rule.drop and call this hook
+			if rule.udpHook != nil {
+				return rule.mgmtId, rule.udpHook(packetData), true
+			}
+
 			if portsMatch(rule.sPort, uint16(d.udp.SrcPort)) && portsMatch(rule.dPort, uint16(d.udp.DstPort)) {
 				return rule.mgmtId, rule.drop, true
 			}
@@ -1335,30 +1342,65 @@ func (m *Manager) ruleMatches(rule *RouteRule, srcAddr, dstAddr netip.Addr, prot
 	return sourceMatched
 }
 
-// SetUDPPacketHook sets the outbound UDP packet hook. Pass nil hook to remove.
-func (m *Manager) SetUDPPacketHook(ip netip.Addr, dPort uint16, hook func(packet []byte) bool) {
-	if hook == nil {
-		m.udpHookOut.Store(nil)
-		return
+// AddUDPPacketHook calls hook when UDP packet from given direction matched
+//
+// Hook function returns flag which indicates should be the matched package dropped or not
+func (m *Manager) AddUDPPacketHook(in bool, ip netip.Addr, dPort uint16, hook func(packet []byte) bool) string {
+	r := PeerRule{
+		id:         uuid.New().String(),
+		ip:         ip,
+		protoLayer: layers.LayerTypeUDP,
+		dPort:      &firewall.Port{Values: []uint16{dPort}},
+		ipLayer:    layers.LayerTypeIPv6,
+		udpHook:    hook,
 	}
-	m.udpHookOut.Store(&packetHook{
-		ip:   ip,
-		port: dPort,
-		fn:   hook,
-	})
+
+	if ip.Is4() {
+		r.ipLayer = layers.LayerTypeIPv4
+	}
+
+	m.mutex.Lock()
+	if in {
+		// Incoming UDP hooks are stored in allow rules map
+		if _, ok := m.incomingRules[r.ip]; !ok {
+			m.incomingRules[r.ip] = make(map[string]PeerRule)
+		}
+		m.incomingRules[r.ip][r.id] = r
+	} else {
+		if _, ok := m.outgoingRules[r.ip]; !ok {
+			m.outgoingRules[r.ip] = make(map[string]PeerRule)
+		}
+		m.outgoingRules[r.ip][r.id] = r
+	}
+	m.mutex.Unlock()
+
+	return r.id
 }
 
-// SetTCPPacketHook sets the outbound TCP packet hook. Pass nil hook to remove.
-func (m *Manager) SetTCPPacketHook(ip netip.Addr, dPort uint16, hook func(packet []byte) bool) {
-	if hook == nil {
-		m.tcpHookOut.Store(nil)
-		return
+// RemovePacketHook removes packet hook by given ID
+func (m *Manager) RemovePacketHook(hookID string) error {
+	m.mutex.Lock()
+	defer m.mutex.Unlock()
+
+	// Check incoming hooks (stored in allow rules)
+	for _, arr := range m.incomingRules {
+		for _, r := range arr {
+			if r.id == hookID {
+				delete(arr, r.id)
+				return nil
+			}
+		}
 	}
-	m.tcpHookOut.Store(&packetHook{
-		ip:   ip,
-		port: dPort,
-		fn:   hook,
-	})
+	// Check outgoing hooks
+	for _, arr := range m.outgoingRules {
+		for _, r := range arr {
+			if r.id == hookID {
+				delete(arr, r.id)
+				return nil
+			}
+		}
+	}
+	return fmt.Errorf("hook with given id not found")
 }
 
 // SetLogLevel sets the log level for the firewall manager

client/firewall/uspfilter/filter_test.go

@@ -12,7 +12,6 @@ import (
 	"github.com/google/gopacket"
 	"github.com/google/gopacket/layers"
 	"github.com/sirupsen/logrus"
-	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	wgdevice "golang.zx2c4.com/wireguard/device"
 
@@ -187,52 +186,81 @@ func TestManagerDeleteRule(t *testing.T) {
 	}
 }
 
-func TestSetUDPPacketHook(t *testing.T) {
-	manager, err := Create(&IFaceMock{
-		SetFilterFunc: func(device.PacketFilter) error { return nil },
-	}, false, flowLogger, nbiface.DefaultMTU)
-	require.NoError(t, err)
-	t.Cleanup(func() { require.NoError(t, manager.Close(nil)) })
+func TestAddUDPPacketHook(t *testing.T) {
+	tests := []struct {
+		name       string
+		in         bool
+		expDir     fw.RuleDirection
+		ip         netip.Addr
+		dPort      uint16
+		hook       func([]byte) bool
+		expectedID string
+	}{
+		{
+			name:   "Test Outgoing UDP Packet Hook",
+			in:     false,
+			expDir: fw.RuleDirectionOUT,
+			ip:     netip.MustParseAddr("10.168.0.1"),
+			dPort:  8000,
+			hook:   func([]byte) bool { return true },
+		},
+		{
+			name:   "Test Incoming UDP Packet Hook",
+			in:     true,
+			expDir: fw.RuleDirectionIN,
+			ip:     netip.MustParseAddr("::1"),
+			dPort:  9000,
+			hook:   func([]byte) bool { return false },
+		},
+	}
 
-	var called bool
-	manager.SetUDPPacketHook(netip.MustParseAddr("10.168.0.1"), 8000, func([]byte) bool {
-		called = true
-		return true
-	})
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			manager, err := Create(&IFaceMock{
+				SetFilterFunc: func(device.PacketFilter) error { return nil },
+			}, false, flowLogger, nbiface.DefaultMTU)
+			require.NoError(t, err)
 
-	h := manager.udpHookOut.Load()
-	require.NotNil(t, h)
-	assert.Equal(t, netip.MustParseAddr("10.168.0.1"), h.ip)
-	assert.Equal(t, uint16(8000), h.port)
-	assert.True(t, h.fn(nil))
-	assert.True(t, called)
+			manager.AddUDPPacketHook(tt.in, tt.ip, tt.dPort, tt.hook)
 
-	manager.SetUDPPacketHook(netip.MustParseAddr("10.168.0.1"), 8000, nil)
-	assert.Nil(t, manager.udpHookOut.Load())
-}
+			var addedRule PeerRule
+			if tt.in {
+				// Incoming UDP hooks are stored in allow rules map
+				if len(manager.incomingRules[tt.ip]) != 1 {
+					t.Errorf("expected 1 incoming rule, got %d", len(manager.incomingRules[tt.ip]))
+					return
+				}
+				for _, rule := range manager.incomingRules[tt.ip] {
+					addedRule = rule
+				}
+			} else {
+				if len(manager.outgoingRules[tt.ip]) != 1 {
+					t.Errorf("expected 1 outgoing rule, got %d", len(manager.outgoingRules[tt.ip]))
+					return
+				}
+				for _, rule := range manager.outgoingRules[tt.ip] {
+					addedRule = rule
+				}
+			}
 
-func TestSetTCPPacketHook(t *testing.T) {
-	manager, err := Create(&IFaceMock{
-		SetFilterFunc: func(device.PacketFilter) error { return nil },
-	}, false, flowLogger, nbiface.DefaultMTU)
-	require.NoError(t, err)
-	t.Cleanup(func() { require.NoError(t, manager.Close(nil)) })
-
-	var called bool
-	manager.SetTCPPacketHook(netip.MustParseAddr("10.168.0.1"), 53, func([]byte) bool {
-		called = true
-		return true
-	})
-
-	h := manager.tcpHookOut.Load()
-	require.NotNil(t, h)
-	assert.Equal(t, netip.MustParseAddr("10.168.0.1"), h.ip)
-	assert.Equal(t, uint16(53), h.port)
-	assert.True(t, h.fn(nil))
-	assert.True(t, called)
-
-	manager.SetTCPPacketHook(netip.MustParseAddr("10.168.0.1"), 53, nil)
-	assert.Nil(t, manager.tcpHookOut.Load())
+			if tt.ip.Compare(addedRule.ip) != 0 {
+				t.Errorf("expected ip %s, got %s", tt.ip, addedRule.ip)
+				return
+			}
+			if tt.dPort != addedRule.dPort.Values[0] {
+				t.Errorf("expected dPort %d, got %d", tt.dPort, addedRule.dPort.Values[0])
+				return
+			}
+			if layers.LayerTypeUDP != addedRule.protoLayer {
+				t.Errorf("expected protoLayer %s, got %s", layers.LayerTypeUDP, addedRule.protoLayer)
+				return
+			}
+			if addedRule.udpHook == nil {
+				t.Errorf("expected udpHook to be set")
+				return
+			}
+		})
+	}
 }
 
 // TestPeerRuleLifecycleDenyRules verifies that deny rules are correctly added
@@ -502,12 +530,39 @@ func TestRemovePacketHook(t *testing.T) {
 		require.NoError(t, manager.Close(nil))
 	}()
 
-	manager.SetUDPPacketHook(netip.MustParseAddr("192.168.0.1"), 8080, func([]byte) bool { return true })
+	// Add a UDP packet hook
+	hookFunc := func(data []byte) bool { return true }
+	hookID := manager.AddUDPPacketHook(false, netip.MustParseAddr("192.168.0.1"), 8080, hookFunc)
 
-	require.NotNil(t, manager.udpHookOut.Load(), "hook should be registered")
+	// Assert the hook is added by finding it in the manager's outgoing rules
+	found := false
+	for _, arr := range manager.outgoingRules {
+		for _, rule := range arr {
+			if rule.id == hookID {
+				found = true
+				break
+			}
+		}
+	}
 
-	manager.SetUDPPacketHook(netip.MustParseAddr("192.168.0.1"), 8080, nil)
-	assert.Nil(t, manager.udpHookOut.Load(), "hook should be removed")
+	if !found {
+		t.Fatalf("The hook was not added properly.")
+	}
+
+	// Now remove the packet hook
+	err = manager.RemovePacketHook(hookID)
+	if err != nil {
+		t.Fatalf("Failed to remove hook: %s", err)
+	}
+
+	// Assert the hook is removed by checking it in the manager's outgoing rules
+	for _, arr := range manager.outgoingRules {
+		for _, rule := range arr {
+			if rule.id == hookID {
+				t.Fatalf("The hook was not removed properly.")
+			}
+		}
+	}
 }
 
 func TestProcessOutgoingHooks(t *testing.T) {
@@ -537,7 +592,8 @@ func TestProcessOutgoingHooks(t *testing.T) {
 	}
 
 	hookCalled := false
-	manager.SetUDPPacketHook(
+	hookID := manager.AddUDPPacketHook(
+		false,
 		netip.MustParseAddr("100.10.0.100"),
 		53,
 		func([]byte) bool {
@@ -545,6 +601,7 @@ func TestProcessOutgoingHooks(t *testing.T) {
 			return true
 		},
 	)
+	require.NotEmpty(t, hookID)
 
 	// Create test UDP packet
 	ipv4 := &layers.IPv4{

client/firewall/uspfilter/localip.go

@@ -144,8 +144,6 @@ func (m *localIPManager) UpdateLocalIPs(iface common.IFaceMapper) (err error) {
 	if err != nil {
 		log.Warnf("failed to get interfaces: %v", err)
 	} else {
-		// TODO: filter out down interfaces (net.FlagUp). Also handle the reverse
-		// case where an interface comes up between refreshes.
 		for _, intf := range interfaces {
 			m.processInterface(intf, &newIPv4Bitmap, ipv4Set, &ipv4Addresses)
 		}

client/firewall/uspfilter/nat.go

@@ -358,9 +358,9 @@ func incrementalUpdate(oldChecksum uint16, oldBytes, newBytes []byte) uint16 {
 	// Fast path for IPv4 addresses (4 bytes) - most common case
 	if len(oldBytes) == 4 && len(newBytes) == 4 {
 		sum += uint32(^binary.BigEndian.Uint16(oldBytes[0:2]))
-		sum += uint32(^binary.BigEndian.Uint16(oldBytes[2:4])) //nolint:gosec // length checked above
+		sum += uint32(^binary.BigEndian.Uint16(oldBytes[2:4]))
 		sum += uint32(binary.BigEndian.Uint16(newBytes[0:2]))
-		sum += uint32(binary.BigEndian.Uint16(newBytes[2:4])) //nolint:gosec // length checked above
+		sum += uint32(binary.BigEndian.Uint16(newBytes[2:4]))
 	} else {
 		// Fallback for other lengths
 		for i := 0; i < len(oldBytes)-1; i += 2 {
@@ -421,7 +421,6 @@ func (m *Manager) addPortRedirection(targetIP netip.Addr, protocol gopacket.Laye
 }
 
 // AddInboundDNAT adds an inbound DNAT rule redirecting traffic from NetBird peers to local services.
-// TODO: also delegate to nativeFirewall when available for kernel WG mode
 func (m *Manager) AddInboundDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
 	var layerType gopacket.LayerType
 	switch protocol {
@@ -467,22 +466,6 @@ func (m *Manager) RemoveInboundDNAT(localAddr netip.Addr, protocol firewall.Prot
 	return m.removePortRedirection(localAddr, layerType, sourcePort, targetPort)
 }
 
-// AddOutputDNAT delegates to the native firewall if available.
-func (m *Manager) AddOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	if m.nativeFirewall == nil {
-		return fmt.Errorf("output DNAT not supported without native firewall")
-	}
-	return m.nativeFirewall.AddOutputDNAT(localAddr, protocol, sourcePort, targetPort)
-}
-
-// RemoveOutputDNAT delegates to the native firewall if available.
-func (m *Manager) RemoveOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error {
-	if m.nativeFirewall == nil {
-		return nil
-	}
-	return m.nativeFirewall.RemoveOutputDNAT(localAddr, protocol, sourcePort, targetPort)
-}
-
 // translateInboundPortDNAT applies port-specific DNAT translation to inbound packets.
 func (m *Manager) translateInboundPortDNAT(packetData []byte, d *decoder, srcIP, dstIP netip.Addr) bool {
 	if !m.portDNATEnabled.Load() {

client/firewall/uspfilter/rule.go

@@ -18,7 +18,9 @@ type PeerRule struct {
 	protoLayer gopacket.LayerType
 	sPort      *firewall.Port
 	dPort      *firewall.Port
-	drop bool
+	drop       bool
+
+	udpHook func([]byte) bool
 }
 
 // ID returns the rule id

client/firewall/uspfilter/tracer_test.go

@@ -399,17 +399,21 @@ func TestTracePacket(t *testing.T) {
 		{
 			name: "UDPTraffic_WithHook",
 			setup: func(m *Manager) {
-				m.SetUDPPacketHook(netip.MustParseAddr("100.10.255.254"), 53, func([]byte) bool {
-					return true // drop (intercepted by hook)
-				})
+				hookFunc := func([]byte) bool {
+					return true
+				}
+				m.AddUDPPacketHook(true, netip.MustParseAddr("1.1.1.1"), 53, hookFunc)
 			},
 			packetBuilder: func() *PacketBuilder {
-				return createPacketBuilder("100.10.0.100", "100.10.255.254", "udp", 12345, 53, fw.RuleDirectionOUT)
+				return createPacketBuilder("1.1.1.1", "100.10.0.100", "udp", 12345, 53, fw.RuleDirectionIN)
 			},
 			expectedStages: []PacketStage{
 				StageReceived,
-				StageOutbound1to1NAT,
-				StageOutboundPortReverse,
+				StageInboundPortDNAT,
+				StageInbound1to1NAT,
+				StageConntrack,
+				StageRouting,
+				StagePeerACL,
 				StageCompleted,
 			},
 			expectedAllow: false,

client/grpc/dialer.go

@@ -28,7 +28,7 @@ func Backoff(ctx context.Context) backoff.BackOff {
 
 // CreateConnection creates a gRPC client connection with the appropriate transport options.
 // The component parameter specifies the WebSocket proxy component path (e.g., "/management", "/signal").
-func CreateConnection(ctx context.Context, addr string, tlsEnabled bool, component string, extraOpts ...grpc.DialOption) (*grpc.ClientConn, error) {
+func CreateConnection(ctx context.Context, addr string, tlsEnabled bool, component string) (*grpc.ClientConn, error) {
 	transportOption := grpc.WithTransportCredentials(insecure.NewCredentials())
 	// for js, the outer websocket layer takes care of tls
 	if tlsEnabled && runtime.GOOS != "js" {
@@ -46,7 +46,9 @@ func CreateConnection(ctx context.Context, addr string, tlsEnabled bool, compone
 	connCtx, cancel := context.WithTimeout(ctx, 30*time.Second)
 	defer cancel()
 
-	opts := []grpc.DialOption{
+	conn, err := grpc.DialContext(
+		connCtx,
+		addr,
 		transportOption,
 		WithCustomDialer(tlsEnabled, component),
 		grpc.WithBlock(),
@@ -54,10 +56,7 @@ func CreateConnection(ctx context.Context, addr string, tlsEnabled bool, compone
 			Time:    30 * time.Second,
 			Timeout: 10 * time.Second,
 		}),
-	}
-	opts = append(opts, extraOpts...)
-
-	conn, err := grpc.DialContext(connCtx, addr, opts...)
+	)
 	if err != nil {
 		return nil, fmt.Errorf("dial context: %w", err)
 	}

client/iface/configurer/uapi.go

@@ -5,18 +5,20 @@ package configurer
 import (
 	"net"
 
+	log "github.com/sirupsen/logrus"
 	"golang.zx2c4.com/wireguard/ipc"
 )
 
 func openUAPI(deviceName string) (net.Listener, error) {
 	uapiSock, err := ipc.UAPIOpen(deviceName)
 	if err != nil {
+		log.Errorf("failed to open uapi socket: %v", err)
 		return nil, err
 	}
 
 	listener, err := ipc.UAPIListen(deviceName, uapiSock)
 	if err != nil {
-		_ = uapiSock.Close()
+		log.Errorf("failed to listen on uapi socket: %v", err)
 		return nil, err
 	}
 

client/iface/configurer/usp.go

@@ -54,14 +54,6 @@ func NewUSPConfigurer(device *device.Device, deviceName string, activityRecorder
 	return wgCfg
 }
 
-func NewUSPConfigurerNoUAPI(device *device.Device, deviceName string, activityRecorder *bind.ActivityRecorder) *WGUSPConfigurer {
-	return &WGUSPConfigurer{
-		device:           device,
-		deviceName:       deviceName,
-		activityRecorder: activityRecorder,
-	}
-}
-
 func (c *WGUSPConfigurer) ConfigureInterface(privateKey string, port int) error {
 	log.Debugf("adding Wireguard private key")
 	key, err := wgtypes.ParseKey(privateKey)

client/iface/device/device_filter.go

@@ -15,17 +15,14 @@ type PacketFilter interface {
 	// FilterInbound filter incoming packets from external sources to host
 	FilterInbound(packetData []byte, size int) bool
 
-	// SetUDPPacketHook registers a hook for outbound UDP packets matching the given IP and port.
-	// Hook function returns true if the packet should be dropped.
-	// Only one UDP hook is supported; calling again replaces the previous hook.
-	// Pass nil hook to remove.
-	SetUDPPacketHook(ip netip.Addr, dPort uint16, hook func(packet []byte) bool)
+	// AddUDPPacketHook calls hook when UDP packet from given direction matched
+	//
+	// Hook function returns flag which indicates should be the matched package dropped or not.
+	// Hook function receives raw network packet data as argument.
+	AddUDPPacketHook(in bool, ip netip.Addr, dPort uint16, hook func(packet []byte) bool) string
 
-	// SetTCPPacketHook registers a hook for outbound TCP packets matching the given IP and port.
-	// Hook function returns true if the packet should be dropped.
-	// Only one TCP hook is supported; calling again replaces the previous hook.
-	// Pass nil hook to remove.
-	SetTCPPacketHook(ip netip.Addr, dPort uint16, hook func(packet []byte) bool)
+	// RemovePacketHook removes hook by ID
+	RemovePacketHook(hookID string) error
 }
 
 // FilteredDevice to override Read or Write of packets

client/iface/device/device_netstack.go

@@ -79,7 +79,7 @@ func (t *TunNetstackDevice) create() (WGConfigurer, error) {
 		device.NewLogger(wgLogLevel(), "[netbird] "),
 	)
 
-	t.configurer = configurer.NewUSPConfigurerNoUAPI(t.device, t.name, t.bind.ActivityRecorder())
+	t.configurer = configurer.NewUSPConfigurer(t.device, t.name, t.bind.ActivityRecorder())
 	err = t.configurer.ConfigureInterface(t.key, t.port)
 	if err != nil {
 		if cErr := tunIface.Close(); cErr != nil {

client/iface/mocks/filter.go

@@ -34,28 +34,18 @@ func (m *MockPacketFilter) EXPECT() *MockPacketFilterMockRecorder {
 	return m.recorder
 }
 
-// SetUDPPacketHook mocks base method.
-func (m *MockPacketFilter) SetUDPPacketHook(arg0 netip.Addr, arg1 uint16, arg2 func([]byte) bool) {
+// AddUDPPacketHook mocks base method.
+func (m *MockPacketFilter) AddUDPPacketHook(arg0 bool, arg1 netip.Addr, arg2 uint16, arg3 func([]byte) bool) string {
 	m.ctrl.T.Helper()
-	m.ctrl.Call(m, "SetUDPPacketHook", arg0, arg1, arg2)
+	ret := m.ctrl.Call(m, "AddUDPPacketHook", arg0, arg1, arg2, arg3)
+	ret0, _ := ret[0].(string)
+	return ret0
 }
 
-// SetUDPPacketHook indicates an expected call of SetUDPPacketHook.
-func (mr *MockPacketFilterMockRecorder) SetUDPPacketHook(arg0, arg1, arg2 interface{}) *gomock.Call {
+// AddUDPPacketHook indicates an expected call of AddUDPPacketHook.
+func (mr *MockPacketFilterMockRecorder) AddUDPPacketHook(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetUDPPacketHook", reflect.TypeOf((*MockPacketFilter)(nil).SetUDPPacketHook), arg0, arg1, arg2)
-}
-
-// SetTCPPacketHook mocks base method.
-func (m *MockPacketFilter) SetTCPPacketHook(arg0 netip.Addr, arg1 uint16, arg2 func([]byte) bool) {
-	m.ctrl.T.Helper()
-	m.ctrl.Call(m, "SetTCPPacketHook", arg0, arg1, arg2)
-}
-
-// SetTCPPacketHook indicates an expected call of SetTCPPacketHook.
-func (mr *MockPacketFilterMockRecorder) SetTCPPacketHook(arg0, arg1, arg2 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTCPPacketHook", reflect.TypeOf((*MockPacketFilter)(nil).SetTCPPacketHook), arg0, arg1, arg2)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AddUDPPacketHook", reflect.TypeOf((*MockPacketFilter)(nil).AddUDPPacketHook), arg0, arg1, arg2, arg3)
 }
 
 // FilterInbound mocks base method.
@@ -85,3 +75,17 @@ func (mr *MockPacketFilterMockRecorder) FilterOutbound(arg0 interface{}, arg1 an
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterOutbound", reflect.TypeOf((*MockPacketFilter)(nil).FilterOutbound), arg0, arg1)
 }
+
+// RemovePacketHook mocks base method.
+func (m *MockPacketFilter) RemovePacketHook(arg0 string) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "RemovePacketHook", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RemovePacketHook indicates an expected call of RemovePacketHook.
+func (mr *MockPacketFilterMockRecorder) RemovePacketHook(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RemovePacketHook", reflect.TypeOf((*MockPacketFilter)(nil).RemovePacketHook), arg0)
+}

client/iface/mocks/iface/mocks/filter.go

@@ -0,0 +1,87 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/netbirdio/netbird/client/iface (interfaces: PacketFilter)
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	net "net"
+	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockPacketFilter is a mock of PacketFilter interface.
+type MockPacketFilter struct {
+	ctrl     *gomock.Controller
+	recorder *MockPacketFilterMockRecorder
+}
+
+// MockPacketFilterMockRecorder is the mock recorder for MockPacketFilter.
+type MockPacketFilterMockRecorder struct {
+	mock *MockPacketFilter
+}
+
+// NewMockPacketFilter creates a new mock instance.
+func NewMockPacketFilter(ctrl *gomock.Controller) *MockPacketFilter {
+	mock := &MockPacketFilter{ctrl: ctrl}
+	mock.recorder = &MockPacketFilterMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockPacketFilter) EXPECT() *MockPacketFilterMockRecorder {
+	return m.recorder
+}
+
+// AddUDPPacketHook mocks base method.
+func (m *MockPacketFilter) AddUDPPacketHook(arg0 bool, arg1 net.IP, arg2 uint16, arg3 func(*net.UDPAddr, []byte) bool) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "AddUDPPacketHook", arg0, arg1, arg2, arg3)
+}
+
+// AddUDPPacketHook indicates an expected call of AddUDPPacketHook.
+func (mr *MockPacketFilterMockRecorder) AddUDPPacketHook(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AddUDPPacketHook", reflect.TypeOf((*MockPacketFilter)(nil).AddUDPPacketHook), arg0, arg1, arg2, arg3)
+}
+
+// FilterInbound mocks base method.
+func (m *MockPacketFilter) FilterInbound(arg0 []byte) bool {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "FilterInbound", arg0)
+	ret0, _ := ret[0].(bool)
+	return ret0
+}
+
+// FilterInbound indicates an expected call of FilterInbound.
+func (mr *MockPacketFilterMockRecorder) FilterInbound(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterInbound", reflect.TypeOf((*MockPacketFilter)(nil).FilterInbound), arg0)
+}
+
+// FilterOutbound mocks base method.
+func (m *MockPacketFilter) FilterOutbound(arg0 []byte) bool {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "FilterOutbound", arg0)
+	ret0, _ := ret[0].(bool)
+	return ret0
+}
+
+// FilterOutbound indicates an expected call of FilterOutbound.
+func (mr *MockPacketFilterMockRecorder) FilterOutbound(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterOutbound", reflect.TypeOf((*MockPacketFilter)(nil).FilterOutbound), arg0)
+}
+
+// SetNetwork mocks base method.
+func (m *MockPacketFilter) SetNetwork(arg0 *net.IPNet) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetNetwork", arg0)
+}
+
+// SetNetwork indicates an expected call of SetNetwork.
+func (mr *MockPacketFilterMockRecorder) SetNetwork(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetNetwork", reflect.TypeOf((*MockPacketFilter)(nil).SetNetwork), arg0)
+}

client/internal/auth/auth.go

@@ -155,7 +155,7 @@ func (a *Auth) IsLoginRequired(ctx context.Context) (bool, error) {
 	var needsLogin bool
 
 	err = a.withRetry(ctx, func(client *mgm.GrpcClient) error {
-		err := a.doMgmLogin(client, ctx, pubSSHKey)
+		_, _, err := a.doMgmLogin(client, ctx, pubSSHKey)
 		if isLoginNeeded(err) {
 			needsLogin = true
 			return nil
@@ -179,8 +179,8 @@ func (a *Auth) Login(ctx context.Context, setupKey string, jwtToken string) (err
 	var isAuthError bool
 
 	err = a.withRetry(ctx, func(client *mgm.GrpcClient) error {
-		err := a.doMgmLogin(client, ctx, pubSSHKey)
-		if isRegistrationNeeded(err) {
+		serverKey, _, err := a.doMgmLogin(client, ctx, pubSSHKey)
+		if serverKey != nil && isRegistrationNeeded(err) {
 			log.Debugf("peer registration required")
 			_, err = a.registerPeer(client, ctx, setupKey, jwtToken, pubSSHKey)
 			if err != nil {
@@ -201,7 +201,13 @@ func (a *Auth) Login(ctx context.Context, setupKey string, jwtToken string) (err
 
 // getPKCEFlow retrieves PKCE authorization flow configuration and creates a flow instance
 func (a *Auth) getPKCEFlow(client *mgm.GrpcClient) (*PKCEAuthorizationFlow, error) {
-	protoFlow, err := client.GetPKCEAuthorizationFlow()
+	serverKey, err := client.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return nil, err
+	}
+
+	protoFlow, err := client.GetPKCEAuthorizationFlow(*serverKey)
 	if err != nil {
 		if s, ok := status.FromError(err); ok && s.Code() == codes.NotFound {
 			log.Warnf("server couldn't find pkce flow, contact admin: %v", err)
@@ -215,7 +221,7 @@ func (a *Auth) getPKCEFlow(client *mgm.GrpcClient) (*PKCEAuthorizationFlow, erro
 	config := &PKCEAuthProviderConfig{
 		Audience:              protoConfig.GetAudience(),
 		ClientID:              protoConfig.GetClientID(),
-		ClientSecret:          protoConfig.GetClientSecret(), //nolint:staticcheck
+		ClientSecret:          protoConfig.GetClientSecret(),
 		TokenEndpoint:         protoConfig.GetTokenEndpoint(),
 		AuthorizationEndpoint: protoConfig.GetAuthorizationEndpoint(),
 		Scope:                 protoConfig.GetScope(),
@@ -240,7 +246,13 @@ func (a *Auth) getPKCEFlow(client *mgm.GrpcClient) (*PKCEAuthorizationFlow, erro
 
 // getDeviceFlow retrieves device authorization flow configuration and creates a flow instance
 func (a *Auth) getDeviceFlow(client *mgm.GrpcClient) (*DeviceAuthorizationFlow, error) {
-	protoFlow, err := client.GetDeviceAuthorizationFlow()
+	serverKey, err := client.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return nil, err
+	}
+
+	protoFlow, err := client.GetDeviceAuthorizationFlow(*serverKey)
 	if err != nil {
 		if s, ok := status.FromError(err); ok && s.Code() == codes.NotFound {
 			log.Warnf("server couldn't find device flow, contact admin: %v", err)
@@ -254,7 +266,7 @@ func (a *Auth) getDeviceFlow(client *mgm.GrpcClient) (*DeviceAuthorizationFlow,
 	config := &DeviceAuthProviderConfig{
 		Audience:           protoConfig.GetAudience(),
 		ClientID:           protoConfig.GetClientID(),
-		ClientSecret:       protoConfig.GetClientSecret(), //nolint:staticcheck
+		ClientSecret:       protoConfig.GetClientSecret(),
 		Domain:             protoConfig.Domain,
 		TokenEndpoint:      protoConfig.GetTokenEndpoint(),
 		DeviceAuthEndpoint: protoConfig.GetDeviceAuthEndpoint(),
@@ -280,16 +292,28 @@ func (a *Auth) getDeviceFlow(client *mgm.GrpcClient) (*DeviceAuthorizationFlow,
 }
 
 // doMgmLogin performs the actual login operation with the management service
-func (a *Auth) doMgmLogin(client *mgm.GrpcClient, ctx context.Context, pubSSHKey []byte) error {
+func (a *Auth) doMgmLogin(client *mgm.GrpcClient, ctx context.Context, pubSSHKey []byte) (*wgtypes.Key, *mgmProto.LoginResponse, error) {
+	serverKey, err := client.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return nil, nil, err
+	}
+
 	sysInfo := system.GetInfo(ctx)
 	a.setSystemInfoFlags(sysInfo)
-	_, err := client.Login(sysInfo, pubSSHKey, a.config.DNSLabels)
-	return err
+	loginResp, err := client.Login(*serverKey, sysInfo, pubSSHKey, a.config.DNSLabels)
+	return serverKey, loginResp, err
 }
 
 // registerPeer checks whether setupKey was provided via cmd line and if not then it prompts user to enter a key.
 // Otherwise tries to register with the provided setupKey via command line.
 func (a *Auth) registerPeer(client *mgm.GrpcClient, ctx context.Context, setupKey string, jwtToken string, pubSSHKey []byte) (*mgmProto.LoginResponse, error) {
+	serverPublicKey, err := client.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return nil, err
+	}
+
 	validSetupKey, err := uuid.Parse(setupKey)
 	if err != nil && jwtToken == "" {
 		return nil, status.Errorf(codes.InvalidArgument, "invalid setup-key or no sso information provided, err: %v", err)
@@ -298,7 +322,7 @@ func (a *Auth) registerPeer(client *mgm.GrpcClient, ctx context.Context, setupKe
 	log.Debugf("sending peer registration request to Management Service")
 	info := system.GetInfo(ctx)
 	a.setSystemInfoFlags(info)
-	loginResp, err := client.Register(validSetupKey.String(), jwtToken, info, pubSSHKey, a.config.DNSLabels)
+	loginResp, err := client.Register(*serverPublicKey, validSetupKey.String(), jwtToken, info, pubSSHKey, a.config.DNSLabels)
 	if err != nil {
 		log.Errorf("failed registering peer %v", err)
 		return nil, err

client/internal/connect.go

@@ -23,13 +23,12 @@ import (
 	"github.com/netbirdio/netbird/client/iface/netstack"
 	"github.com/netbirdio/netbird/client/internal/dns"
 	"github.com/netbirdio/netbird/client/internal/listener"
-	"github.com/netbirdio/netbird/client/internal/metrics"
 	"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/updater"
-	"github.com/netbirdio/netbird/client/internal/updater/installer"
+	"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"
@@ -44,19 +43,14 @@ import (
 	"github.com/netbirdio/netbird/version"
 )
 
-// androidRunOverride is set on Android to inject mobile dependencies
-// when using embed.Client (which calls Run() with empty MobileDependency).
-var androidRunOverride func(c *ConnectClient, runningChan chan struct{}, logPath string) error
-
 type ConnectClient struct {
-	ctx            context.Context
-	config         *profilemanager.Config
-	statusRecorder *peer.Status
+	ctx                 context.Context
+	config              *profilemanager.Config
+	statusRecorder      *peer.Status
+	doInitialAutoUpdate bool
 
-	engine        *Engine
-	engineMutex   sync.Mutex
-	clientMetrics *metrics.ClientMetrics
-	updateManager *updater.Manager
+	engine      *Engine
+	engineMutex sync.Mutex
 
 	persistSyncResponse bool
 }
@@ -65,24 +59,19 @@ func NewConnectClient(
 	ctx context.Context,
 	config *profilemanager.Config,
 	statusRecorder *peer.Status,
+	doInitalAutoUpdate bool,
 ) *ConnectClient {
 	return &ConnectClient{
-		ctx:            ctx,
-		config:         config,
-		statusRecorder: statusRecorder,
-		engineMutex:    sync.Mutex{},
+		ctx:                 ctx,
+		config:              config,
+		statusRecorder:      statusRecorder,
+		doInitialAutoUpdate: doInitalAutoUpdate,
+		engineMutex:         sync.Mutex{},
 	}
 }
 
-func (c *ConnectClient) SetUpdateManager(um *updater.Manager) {
-	c.updateManager = um
-}
-
 // Run with main logic.
 func (c *ConnectClient) Run(runningChan chan struct{}, logPath string) error {
-	if androidRunOverride != nil {
-		return androidRunOverride(c, runningChan, logPath)
-	}
 	return c.run(MobileDependency{}, runningChan, logPath)
 }
 
@@ -111,7 +100,6 @@ func (c *ConnectClient) RunOniOS(
 	fileDescriptor int32,
 	networkChangeListener listener.NetworkChangeListener,
 	dnsManager dns.IosDnsManager,
-	dnsAddresses []netip.AddrPort,
 	stateFilePath string,
 ) error {
 	// Set GC percent to 5% to reduce memory usage as iOS only allows 50MB of memory for the extension.
@@ -121,7 +109,6 @@ func (c *ConnectClient) RunOniOS(
 		FileDescriptor:        fileDescriptor,
 		NetworkChangeListener: networkChangeListener,
 		DnsManager:            dnsManager,
-		HostDNSAddresses:      dnsAddresses,
 		StateFilePath:         stateFilePath,
 	}
 	return c.run(mobileDependency, nil, "")
@@ -144,34 +131,10 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		}
 	}()
 
-	// Stop metrics push on exit
-	defer func() {
-		if c.clientMetrics != nil {
-			c.clientMetrics.StopPush()
-		}
-	}()
-
 	log.Infof("starting NetBird client version %s on %s/%s", version.NetbirdVersion(), runtime.GOOS, runtime.GOARCH)
 
 	nbnet.Init()
 
-	// Initialize metrics once at startup (always active for debug bundles)
-	if c.clientMetrics == nil {
-		agentInfo := metrics.AgentInfo{
-			DeploymentType: metrics.DeploymentTypeUnknown,
-			Version:        version.NetbirdVersion(),
-			OS:             runtime.GOOS,
-			Arch:           runtime.GOARCH,
-		}
-		c.clientMetrics = metrics.NewClientMetrics(agentInfo)
-		log.Debugf("initialized client metrics")
-
-		// Start metrics push if enabled (uses daemon context, persists across engine restarts)
-		if metrics.IsMetricsPushEnabled() {
-			c.clientMetrics.StartPush(c.ctx, metrics.PushConfigFromEnv())
-		}
-	}
-
 	backOff := &backoff.ExponentialBackOff{
 		InitialInterval:     time.Second,
 		RandomizationFactor: 1,
@@ -224,13 +187,14 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 	stateManager := statemanager.New(path)
 	stateManager.RegisterState(&sshconfig.ShutdownState{})
 
-	if c.updateManager != nil {
-		c.updateManager.CheckUpdateSuccess(c.ctx)
-	}
+	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)
+		inst := installer.New()
+		if err := inst.CleanUpInstallerFiles(); err != nil {
+			log.Errorf("failed to clean up temporary installer file: %v", err)
+		}
 	}
 
 	defer c.statusRecorder.ClientStop()
@@ -258,16 +222,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		mgmNotifier := statusRecorderToMgmConnStateNotifier(c.statusRecorder)
 		mgmClient.SetConnStateListener(mgmNotifier)
 
-		// Update metrics with actual deployment type after connection
-		deploymentType := metrics.DetermineDeploymentType(mgmClient.GetServerURL())
-		agentInfo := metrics.AgentInfo{
-			DeploymentType: deploymentType,
-			Version:        version.NetbirdVersion(),
-			OS:             runtime.GOOS,
-			Arch:           runtime.GOARCH,
-		}
-		c.clientMetrics.UpdateAgentInfo(agentInfo, myPrivateKey.PublicKey().String())
-
 		log.Debugf("connected to the Management service %s", c.config.ManagementURL.Host)
 		defer func() {
 			if err = mgmClient.Close(); err != nil {
@@ -276,10 +230,8 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		}()
 
 		// connect (just a connection, no stream yet) and login to Management Service to get an initial global Netbird config
-		loginStarted := time.Now()
 		loginResp, err := loginToManagement(engineCtx, mgmClient, publicSSHKey, c.config)
 		if err != nil {
-			c.clientMetrics.RecordLoginDuration(engineCtx, time.Since(loginStarted), false)
 			log.Debug(err)
 			if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 				state.Set(StatusNeedsLogin)
@@ -288,7 +240,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 			}
 			return wrapErr(err)
 		}
-		c.clientMetrics.RecordLoginDuration(engineCtx, time.Since(loginStarted), true)
 		c.statusRecorder.MarkManagementConnected()
 
 		localPeerState := peer.LocalPeerState{
@@ -357,16 +308,7 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		checks := loginResp.GetChecks()
 
 		c.engineMutex.Lock()
-		engine := NewEngine(engineCtx, cancel, engineConfig, EngineServices{
-			SignalClient:   signalClient,
-			MgmClient:      mgmClient,
-			RelayManager:   relayManager,
-			StatusRecorder: c.statusRecorder,
-			Checks:         checks,
-			StateManager:   stateManager,
-			UpdateManager:  c.updateManager,
-			ClientMetrics:  c.clientMetrics,
-		}, mobileDependency)
+		engine := NewEngine(engineCtx, cancel, signalClient, mgmClient, relayManager, engineConfig, mobileDependency, c.statusRecorder, checks, stateManager)
 		engine.SetSyncResponsePersistence(c.persistSyncResponse)
 		c.engine = engine
 		c.engineMutex.Unlock()
@@ -376,15 +318,21 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 			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)
 
 		if runningChan != nil {
-			select {
-			case <-runningChan:
-			default:
-				close(runningChan)
-			}
+			close(runningChan)
+			runningChan = nil
 		}
 
 		<-engineCtx.Done()
@@ -619,6 +567,12 @@ func connectToSignal(ctx context.Context, wtConfig *mgmProto.NetbirdConfig, ourP
 
 // loginToManagement creates Management ServiceDependencies client, establishes a connection, logs-in and gets a global Netbird config (signal, turn, stun hosts, etc)
 func loginToManagement(ctx context.Context, client mgm.Client, pubSSHKey []byte, config *profilemanager.Config) (*mgmProto.LoginResponse, error) {
+
+	serverPublicKey, err := client.GetServerPublicKey()
+	if err != nil {
+		return nil, gstatus.Errorf(codes.FailedPrecondition, "failed while getting Management Service public key: %s", err)
+	}
+
 	sysInfo := system.GetInfo(ctx)
 	sysInfo.SetFlags(
 		config.RosenpassEnabled,
@@ -637,7 +591,12 @@ func loginToManagement(ctx context.Context, client mgm.Client, pubSSHKey []byte,
 		config.EnableSSHRemotePortForwarding,
 		config.DisableSSHAuth,
 	)
-	return client.Login(sysInfo, pubSSHKey, config.DNSLabels)
+	loginResp, err := client.Login(*serverPublicKey, sysInfo, pubSSHKey, config.DNSLabels)
+	if err != nil {
+		return nil, err
+	}
+
+	return loginResp, nil
 }
 
 func statusRecorderToMgmConnStateNotifier(statusRecorder *peer.Status) mgm.ConnStateNotifier {

client/internal/connect_android_default.go

@@ -1,73 +0,0 @@
-//go:build android
-
-package internal
-
-import (
-	"net/netip"
-
-	"github.com/netbirdio/netbird/client/internal/dns"
-	"github.com/netbirdio/netbird/client/internal/listener"
-	"github.com/netbirdio/netbird/client/internal/stdnet"
-)
-
-// noopIFaceDiscover is a stub ExternalIFaceDiscover for embed.Client on Android.
-// It returns an empty interface list, which means ICE P2P candidates won't be
-// discovered — connections will fall back to relay. Applications that need P2P
-// should provide a real implementation via runOnAndroidEmbed that uses
-// Android's ConnectivityManager to enumerate network interfaces.
-type noopIFaceDiscover struct{}
-
-func (noopIFaceDiscover) IFaces() (string, error) {
-	// Return empty JSON array — no local interfaces advertised for ICE.
-	// This is intentional: without Android's ConnectivityManager, we cannot
-	// reliably enumerate interfaces (netlink is restricted on Android 11+).
-	// Relay connections still work; only P2P hole-punching is disabled.
-	return "[]", nil
-}
-
-// noopNetworkChangeListener is a stub for embed.Client on Android.
-// Network change events are ignored since the embed client manages its own
-// reconnection logic via the engine's built-in retry mechanism.
-type noopNetworkChangeListener struct{}
-
-func (noopNetworkChangeListener) OnNetworkChanged(string) {
-	// No-op: embed.Client relies on the engine's internal reconnection
-	// logic rather than OS-level network change notifications.
-}
-
-func (noopNetworkChangeListener) SetInterfaceIP(string) {
-	// No-op: in netstack mode, the overlay IP is managed by the userspace
-	// network stack, not by OS-level interface configuration.
-}
-
-// noopDnsReadyListener is a stub for embed.Client on Android.
-// DNS readiness notifications are not needed in netstack/embed mode
-// since system DNS is disabled and DNS resolution happens externally.
-type noopDnsReadyListener struct{}
-
-func (noopDnsReadyListener) OnReady() {
-	// No-op: embed.Client does not need DNS readiness notifications.
-	// System DNS is disabled in netstack mode.
-}
-
-var _ stdnet.ExternalIFaceDiscover = noopIFaceDiscover{}
-var _ listener.NetworkChangeListener = noopNetworkChangeListener{}
-var _ dns.ReadyListener = noopDnsReadyListener{}
-
-func init() {
-	// Wire up the default override so embed.Client.Start() works on Android
-	// with netstack mode. Provides complete no-op stubs for all mobile
-	// dependencies so the engine's existing Android code paths work unchanged.
-	// Applications that need P2P ICE or real DNS should replace this by
-	// setting androidRunOverride before calling Start().
-	androidRunOverride = func(c *ConnectClient, runningChan chan struct{}, logPath string) error {
-		return c.runOnAndroidEmbed(
-			noopIFaceDiscover{},
-			noopNetworkChangeListener{},
-			[]netip.AddrPort{},
-			noopDnsReadyListener{},
-			runningChan,
-			logPath,
-		)
-	}
-}

client/internal/connect_android_embed.go

@@ -1,32 +0,0 @@
-//go:build android
-
-package internal
-
-import (
-	"net/netip"
-
-	"github.com/netbirdio/netbird/client/internal/dns"
-	"github.com/netbirdio/netbird/client/internal/listener"
-	"github.com/netbirdio/netbird/client/internal/stdnet"
-)
-
-// runOnAndroidEmbed is like RunOnAndroid but accepts a runningChan
-// so embed.Client.Start() can detect when the engine is ready.
-// It provides complete MobileDependency so the engine's existing
-// Android code paths work unchanged.
-func (c *ConnectClient) runOnAndroidEmbed(
-	iFaceDiscover stdnet.ExternalIFaceDiscover,
-	networkChangeListener listener.NetworkChangeListener,
-	dnsAddresses []netip.AddrPort,
-	dnsReadyListener dns.ReadyListener,
-	runningChan chan struct{},
-	logPath string,
-) error {
-	mobileDependency := MobileDependency{
-		IFaceDiscover:         iFaceDiscover,
-		NetworkChangeListener: networkChangeListener,
-		HostDNSAddresses:      dnsAddresses,
-		DnsReadyListener:      dnsReadyListener,
-	}
-	return c.run(mobileDependency, runningChan, logPath)
-}

client/internal/daemonaddr/resolve.go

@@ -1,60 +0,0 @@
-//go:build !windows && !ios && !android
-
-package daemonaddr
-
-import (
-	"os"
-	"path/filepath"
-	"strings"
-
-	log "github.com/sirupsen/logrus"
-)
-
-var scanDir = "/var/run/netbird"
-
-// setScanDir overrides the scan directory (used by tests).
-func setScanDir(dir string) {
-	scanDir = dir
-}
-
-// ResolveUnixDaemonAddr checks whether the default Unix socket exists and, if not,
-// scans /var/run/netbird/ for a single .sock file to use instead. This handles the
-// mismatch between the netbird@.service template (which places the socket under
-// /var/run/netbird/<instance>.sock) and the CLI default (/var/run/netbird.sock).
-func ResolveUnixDaemonAddr(addr string) string {
-	if !strings.HasPrefix(addr, "unix://") {
-		return addr
-	}
-
-	sockPath := strings.TrimPrefix(addr, "unix://")
-	if _, err := os.Stat(sockPath); err == nil {
-		return addr
-	}
-
-	entries, err := os.ReadDir(scanDir)
-	if err != nil {
-		return addr
-	}
-
-	var found []string
-	for _, e := range entries {
-		if e.IsDir() {
-			continue
-		}
-		if strings.HasSuffix(e.Name(), ".sock") {
-			found = append(found, filepath.Join(scanDir, e.Name()))
-		}
-	}
-
-	switch len(found) {
-	case 1:
-		resolved := "unix://" + found[0]
-		log.Debugf("Default daemon socket not found, using discovered socket: %s", resolved)
-		return resolved
-	case 0:
-		return addr
-	default:
-		log.Warnf("Default daemon socket not found and multiple sockets discovered in %s; pass --daemon-addr explicitly", scanDir)
-		return addr
-	}
-}

client/internal/daemonaddr/resolve_stub.go

@@ -1,8 +0,0 @@
-//go:build windows || ios || android
-
-package daemonaddr
-
-// ResolveUnixDaemonAddr is a no-op on platforms that don't use Unix sockets.
-func ResolveUnixDaemonAddr(addr string) string {
-	return addr
-}

client/internal/daemonaddr/resolve_test.go

@@ -1,121 +0,0 @@
-//go:build !windows && !ios && !android
-
-package daemonaddr
-
-import (
-	"os"
-	"path/filepath"
-	"testing"
-)
-
-// createSockFile creates a regular file with a .sock extension.
-// ResolveUnixDaemonAddr uses os.Stat (not net.Dial), so a regular file is
-// sufficient and avoids Unix socket path-length limits on macOS.
-func createSockFile(t *testing.T, path string) {
-	t.Helper()
-	if err := os.WriteFile(path, nil, 0o600); err != nil {
-		t.Fatalf("failed to create test sock file at %s: %v", path, err)
-	}
-}
-
-func TestResolveUnixDaemonAddr_DefaultExists(t *testing.T) {
-	tmp := t.TempDir()
-	sock := filepath.Join(tmp, "netbird.sock")
-	createSockFile(t, sock)
-
-	addr := "unix://" + sock
-	got := ResolveUnixDaemonAddr(addr)
-	if got != addr {
-		t.Errorf("expected %s, got %s", addr, got)
-	}
-}
-
-func TestResolveUnixDaemonAddr_SingleDiscovered(t *testing.T) {
-	tmp := t.TempDir()
-
-	// Default socket does not exist
-	defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
-
-	// Create a scan dir with one socket
-	sd := filepath.Join(tmp, "netbird")
-	if err := os.MkdirAll(sd, 0o755); err != nil {
-		t.Fatal(err)
-	}
-	instanceSock := filepath.Join(sd, "main.sock")
-	createSockFile(t, instanceSock)
-
-	origScanDir := scanDir
-	setScanDir(sd)
-	t.Cleanup(func() { setScanDir(origScanDir) })
-
-	got := ResolveUnixDaemonAddr(defaultAddr)
-	expected := "unix://" + instanceSock
-	if got != expected {
-		t.Errorf("expected %s, got %s", expected, got)
-	}
-}
-
-func TestResolveUnixDaemonAddr_MultipleDiscovered(t *testing.T) {
-	tmp := t.TempDir()
-
-	defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
-
-	sd := filepath.Join(tmp, "netbird")
-	if err := os.MkdirAll(sd, 0o755); err != nil {
-		t.Fatal(err)
-	}
-	createSockFile(t, filepath.Join(sd, "main.sock"))
-	createSockFile(t, filepath.Join(sd, "other.sock"))
-
-	origScanDir := scanDir
-	setScanDir(sd)
-	t.Cleanup(func() { setScanDir(origScanDir) })
-
-	got := ResolveUnixDaemonAddr(defaultAddr)
-	if got != defaultAddr {
-		t.Errorf("expected original %s, got %s", defaultAddr, got)
-	}
-}
-
-func TestResolveUnixDaemonAddr_NoSocketsFound(t *testing.T) {
-	tmp := t.TempDir()
-
-	defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
-
-	sd := filepath.Join(tmp, "netbird")
-	if err := os.MkdirAll(sd, 0o755); err != nil {
-		t.Fatal(err)
-	}
-
-	origScanDir := scanDir
-	setScanDir(sd)
-	t.Cleanup(func() { setScanDir(origScanDir) })
-
-	got := ResolveUnixDaemonAddr(defaultAddr)
-	if got != defaultAddr {
-		t.Errorf("expected original %s, got %s", defaultAddr, got)
-	}
-}
-
-func TestResolveUnixDaemonAddr_NonUnixAddr(t *testing.T) {
-	addr := "tcp://127.0.0.1:41731"
-	got := ResolveUnixDaemonAddr(addr)
-	if got != addr {
-		t.Errorf("expected %s, got %s", addr, got)
-	}
-}
-
-func TestResolveUnixDaemonAddr_ScanDirMissing(t *testing.T) {
-	tmp := t.TempDir()
-
-	defaultAddr := "unix://" + filepath.Join(tmp, "netbird.sock")
-
-	origScanDir := scanDir
-	setScanDir(filepath.Join(tmp, "nonexistent"))
-	t.Cleanup(func() { setScanDir(origScanDir) })
-
-	got := ResolveUnixDaemonAddr(defaultAddr)
-	if got != defaultAddr {
-		t.Errorf("expected original %s, got %s", defaultAddr, got)
-	}
-}

client/internal/debug/debug.go

@@ -25,13 +25,13 @@ import (
 	"google.golang.org/protobuf/encoding/protojson"
 
 	"github.com/netbirdio/netbird/client/anonymize"
-	"github.com/netbirdio/netbird/client/configs"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/internal/updater/installer"
+	"github.com/netbirdio/netbird/client/internal/updatemanager/installer"
 	nbstatus "github.com/netbirdio/netbird/client/status"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
 	"github.com/netbirdio/netbird/util"
+	"github.com/netbirdio/netbird/version"
 )
 
 const readmeContent = `Netbird debug bundle
@@ -53,8 +53,6 @@ resolved_domains.txt: Anonymized resolved domain IP addresses from the status re
 config.txt: Anonymized configuration information of the NetBird client.
 network_map.json: Anonymized sync response containing peer configurations, routes, DNS settings, and firewall rules.
 state.json: Anonymized client state dump containing netbird states for the active profile.
-service_params.json: Sanitized service install parameters (service.json). Sensitive environment variable values are masked. Only present when service.json exists.
-metrics.txt: Buffered client metrics in InfluxDB line protocol format. Only present when metrics collection is enabled. Peer identifiers are anonymized.
 mutex.prof: Mutex profiling information.
 goroutine.prof: Goroutine profiling information.
 block.prof: Block profiling information.
@@ -221,11 +219,6 @@ const (
 	darwinStdoutLogPath = "/var/log/netbird.err.log"
 )
 
-// MetricsExporter is an interface for exporting metrics
-type MetricsExporter interface {
-	Export(w io.Writer) error
-}
-
 type BundleGenerator struct {
 	anonymizer *anonymize.Anonymizer
 
@@ -236,7 +229,6 @@ type BundleGenerator struct {
 	logPath        string
 	cpuProfile     []byte
 	refreshStatus  func() // Optional callback to refresh status before bundle generation
-	clientMetrics  MetricsExporter
 
 	anonymize         bool
 	includeSystemInfo bool
@@ -258,7 +250,6 @@ type GeneratorDependencies struct {
 	LogPath        string
 	CPUProfile     []byte
 	RefreshStatus  func() // Optional callback to refresh status before bundle generation
-	ClientMetrics  MetricsExporter
 }
 
 func NewBundleGenerator(deps GeneratorDependencies, cfg BundleConfig) *BundleGenerator {
@@ -277,7 +268,6 @@ func NewBundleGenerator(deps GeneratorDependencies, cfg BundleConfig) *BundleGen
 		logPath:        deps.LogPath,
 		cpuProfile:     deps.CPUProfile,
 		refreshStatus:  deps.RefreshStatus,
-		clientMetrics:  deps.ClientMetrics,
 
 		anonymize:         cfg.Anonymize,
 		includeSystemInfo: cfg.IncludeSystemInfo,
@@ -361,14 +351,6 @@ func (g *BundleGenerator) createArchive() error {
 		log.Errorf("failed to add corrupted state files to debug bundle: %v", err)
 	}
 
-	if err := g.addServiceParams(); err != nil {
-		log.Errorf("failed to add service params to debug bundle: %v", err)
-	}
-
-	if err := g.addMetrics(); err != nil {
-		log.Errorf("failed to add metrics to debug bundle: %v", err)
-	}
-
 	if err := g.addWgShow(); err != nil {
 		log.Errorf("failed to add wg show output: %v", err)
 	}
@@ -436,10 +418,7 @@ func (g *BundleGenerator) addStatus() error {
 		fullStatus := g.statusRecorder.GetFullStatus()
 		protoFullStatus := nbstatus.ToProtoFullStatus(fullStatus)
 		protoFullStatus.Events = g.statusRecorder.GetEventHistory()
-		overview := nbstatus.ConvertToStatusOutputOverview(protoFullStatus, nbstatus.ConvertOptions{
-			Anonymize:   g.anonymize,
-			ProfileName: profName,
-		})
+		overview := nbstatus.ConvertToStatusOutputOverview(protoFullStatus, g.anonymize, version.NetbirdVersion(), "", nil, nil, nil, "", profName)
 		statusOutput := overview.FullDetailSummary()
 
 		statusReader := strings.NewReader(statusOutput)
@@ -494,90 +473,6 @@ func (g *BundleGenerator) addConfig() error {
 	return nil
 }
 
-const (
-	serviceParamsFile    = "service.json"
-	serviceParamsBundle  = "service_params.json"
-	maskedValue          = "***"
-	envVarPrefix         = "NB_"
-	jsonKeyManagementURL = "management_url"
-	jsonKeyServiceEnv    = "service_env_vars"
-)
-
-var sensitiveEnvSubstrings = []string{"key", "token", "secret", "password", "credential"}
-
-// addServiceParams reads the service.json file and adds a sanitized version to the bundle.
-// Non-NB_ env vars and vars with sensitive names are masked. Other NB_ values are anonymized.
-func (g *BundleGenerator) addServiceParams() error {
-	path := filepath.Join(configs.StateDir, serviceParamsFile)
-
-	data, err := os.ReadFile(path)
-	if err != nil {
-		if os.IsNotExist(err) {
-			return nil
-		}
-		return fmt.Errorf("read service params: %w", err)
-	}
-
-	var params map[string]any
-	if err := json.Unmarshal(data, &params); err != nil {
-		return fmt.Errorf("parse service params: %w", err)
-	}
-
-	if g.anonymize {
-		if mgmtURL, ok := params[jsonKeyManagementURL].(string); ok && mgmtURL != "" {
-			params[jsonKeyManagementURL] = g.anonymizer.AnonymizeURI(mgmtURL)
-		}
-	}
-
-	g.sanitizeServiceEnvVars(params)
-
-	sanitizedData, err := json.MarshalIndent(params, "", "  ")
-	if err != nil {
-		return fmt.Errorf("marshal sanitized service params: %w", err)
-	}
-
-	if err := g.addFileToZip(bytes.NewReader(sanitizedData), serviceParamsBundle); err != nil {
-		return fmt.Errorf("add service params to zip: %w", err)
-	}
-
-	return nil
-}
-
-// sanitizeServiceEnvVars masks or anonymizes env var values in service params.
-// Non-NB_ vars and vars with sensitive names (key, token, etc.) are fully masked.
-// Other NB_ var values are passed through the anonymizer when anonymization is enabled.
-func (g *BundleGenerator) sanitizeServiceEnvVars(params map[string]any) {
-	envVars, ok := params[jsonKeyServiceEnv].(map[string]any)
-	if !ok {
-		return
-	}
-
-	sanitized := make(map[string]any, len(envVars))
-	for k, v := range envVars {
-		val, _ := v.(string)
-		switch {
-		case !strings.HasPrefix(k, envVarPrefix) || isSensitiveEnvVar(k):
-			sanitized[k] = maskedValue
-		case g.anonymize:
-			sanitized[k] = g.anonymizer.AnonymizeString(val)
-		default:
-			sanitized[k] = val
-		}
-	}
-	params[jsonKeyServiceEnv] = sanitized
-}
-
-// isSensitiveEnvVar returns true for env var names that may contain secrets.
-func isSensitiveEnvVar(key string) bool {
-	lower := strings.ToLower(key)
-	for _, s := range sensitiveEnvSubstrings {
-		if strings.Contains(lower, s) {
-			return true
-		}
-	}
-	return false
-}
-
 func (g *BundleGenerator) addCommonConfigFields(configContent *strings.Builder) {
 	configContent.WriteString("NetBird Client Configuration:\n\n")
 
@@ -849,30 +744,6 @@ func (g *BundleGenerator) addCorruptedStateFiles() error {
 	return nil
 }
 
-func (g *BundleGenerator) addMetrics() error {
-	if g.clientMetrics == nil {
-		log.Debugf("skipping metrics in debug bundle: no metrics collector")
-		return nil
-	}
-
-	var buf bytes.Buffer
-	if err := g.clientMetrics.Export(&buf); err != nil {
-		return fmt.Errorf("export metrics: %w", err)
-	}
-
-	if buf.Len() == 0 {
-		log.Debugf("skipping metrics.txt in debug bundle: no metrics data")
-		return nil
-	}
-
-	if err := g.addFileToZip(&buf, "metrics.txt"); err != nil {
-		return fmt.Errorf("add metrics file to zip: %w", err)
-	}
-
-	log.Debugf("added metrics to debug bundle")
-	return nil
-}
-
 func (g *BundleGenerator) addLogfile() error {
 	if g.logPath == "" {
 		log.Debugf("skipping empty log file in debug bundle")

client/internal/debug/debug_test.go

@@ -1,12 +1,8 @@
 package debug
 
 import (
-	"archive/zip"
-	"bytes"
 	"encoding/json"
 	"net"
-	"os"
-	"path/filepath"
 	"strings"
 	"testing"
 
@@ -14,7 +10,6 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/netbirdio/netbird/client/anonymize"
-	"github.com/netbirdio/netbird/client/configs"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
 )
 
@@ -425,226 +420,6 @@ func TestAnonymizeNetworkMap(t *testing.T) {
 	}
 }
 
-func TestIsSensitiveEnvVar(t *testing.T) {
-	tests := []struct {
-		key       string
-		sensitive bool
-	}{
-		{"NB_SETUP_KEY", true},
-		{"NB_API_TOKEN", true},
-		{"NB_CLIENT_SECRET", true},
-		{"NB_PASSWORD", true},
-		{"NB_CREDENTIAL", true},
-		{"NB_LOG_LEVEL", false},
-		{"NB_MANAGEMENT_URL", false},
-		{"NB_HOSTNAME", false},
-		{"HOME", false},
-		{"PATH", false},
-	}
-	for _, tt := range tests {
-		t.Run(tt.key, func(t *testing.T) {
-			assert.Equal(t, tt.sensitive, isSensitiveEnvVar(tt.key))
-		})
-	}
-}
-
-func TestSanitizeServiceEnvVars(t *testing.T) {
-	tests := []struct {
-		name      string
-		anonymize bool
-		input     map[string]any
-		check     func(t *testing.T, params map[string]any)
-	}{
-		{
-			name:      "no env vars key",
-			anonymize: false,
-			input:     map[string]any{"management_url": "https://mgmt.example.com"},
-			check: func(t *testing.T, params map[string]any) {
-				t.Helper()
-				assert.Equal(t, "https://mgmt.example.com", params["management_url"], "non-env fields should be untouched")
-				_, ok := params[jsonKeyServiceEnv]
-				assert.False(t, ok, "service_env_vars should not be added")
-			},
-		},
-		{
-			name:      "non-NB vars are masked",
-			anonymize: false,
-			input: map[string]any{
-				jsonKeyServiceEnv: map[string]any{
-					"HOME":       "/root",
-					"PATH":       "/usr/bin",
-					"NB_LOG_LEVEL": "debug",
-				},
-			},
-			check: func(t *testing.T, params map[string]any) {
-				t.Helper()
-				env := params[jsonKeyServiceEnv].(map[string]any)
-				assert.Equal(t, maskedValue, env["HOME"], "non-NB_ var should be masked")
-				assert.Equal(t, maskedValue, env["PATH"], "non-NB_ var should be masked")
-				assert.Equal(t, "debug", env["NB_LOG_LEVEL"], "safe NB_ var should pass through")
-			},
-		},
-		{
-			name:      "sensitive NB vars are masked",
-			anonymize: false,
-			input: map[string]any{
-				jsonKeyServiceEnv: map[string]any{
-					"NB_SETUP_KEY":  "abc123",
-					"NB_API_TOKEN":  "tok_xyz",
-					"NB_LOG_LEVEL":  "info",
-				},
-			},
-			check: func(t *testing.T, params map[string]any) {
-				t.Helper()
-				env := params[jsonKeyServiceEnv].(map[string]any)
-				assert.Equal(t, maskedValue, env["NB_SETUP_KEY"], "sensitive NB_ var should be masked")
-				assert.Equal(t, maskedValue, env["NB_API_TOKEN"], "sensitive NB_ var should be masked")
-				assert.Equal(t, "info", env["NB_LOG_LEVEL"], "safe NB_ var should pass through")
-			},
-		},
-		{
-			name:      "safe NB vars anonymized when anonymize is true",
-			anonymize: true,
-			input: map[string]any{
-				jsonKeyServiceEnv: map[string]any{
-					"NB_MANAGEMENT_URL": "https://mgmt.example.com:443",
-					"NB_LOG_LEVEL":      "debug",
-					"NB_SETUP_KEY":      "secret",
-					"SOME_OTHER":        "val",
-				},
-			},
-			check: func(t *testing.T, params map[string]any) {
-				t.Helper()
-				env := params[jsonKeyServiceEnv].(map[string]any)
-				// Safe NB_ values should be anonymized (not the original, not masked)
-				mgmtVal := env["NB_MANAGEMENT_URL"].(string)
-				assert.NotEqual(t, "https://mgmt.example.com:443", mgmtVal, "should be anonymized")
-				assert.NotEqual(t, maskedValue, mgmtVal, "should not be masked")
-
-				logVal := env["NB_LOG_LEVEL"].(string)
-				assert.NotEqual(t, maskedValue, logVal, "safe NB_ var should not be masked")
-
-				// Sensitive and non-NB_ still masked
-				assert.Equal(t, maskedValue, env["NB_SETUP_KEY"])
-				assert.Equal(t, maskedValue, env["SOME_OTHER"])
-			},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			anonymizer := anonymize.NewAnonymizer(anonymize.DefaultAddresses())
-			g := &BundleGenerator{
-				anonymize:  tt.anonymize,
-				anonymizer: anonymizer,
-			}
-			g.sanitizeServiceEnvVars(tt.input)
-			tt.check(t, tt.input)
-		})
-	}
-}
-
-func TestAddServiceParams(t *testing.T) {
-	t.Run("missing service.json returns nil", func(t *testing.T) {
-		g := &BundleGenerator{
-			anonymizer: anonymize.NewAnonymizer(anonymize.DefaultAddresses()),
-		}
-
-		origStateDir := configs.StateDir
-		configs.StateDir = t.TempDir()
-		t.Cleanup(func() { configs.StateDir = origStateDir })
-
-		err := g.addServiceParams()
-		assert.NoError(t, err)
-	})
-
-	t.Run("management_url anonymized when anonymize is true", func(t *testing.T) {
-		dir := t.TempDir()
-		origStateDir := configs.StateDir
-		configs.StateDir = dir
-		t.Cleanup(func() { configs.StateDir = origStateDir })
-
-		input := map[string]any{
-			jsonKeyManagementURL: "https://api.example.com:443",
-			jsonKeyServiceEnv: map[string]any{
-				"NB_LOG_LEVEL": "trace",
-			},
-		}
-		data, err := json.Marshal(input)
-		require.NoError(t, err)
-		require.NoError(t, os.WriteFile(filepath.Join(dir, serviceParamsFile), data, 0600))
-
-		var buf bytes.Buffer
-		zw := zip.NewWriter(&buf)
-
-		g := &BundleGenerator{
-			anonymize:  true,
-			anonymizer: anonymize.NewAnonymizer(anonymize.DefaultAddresses()),
-			archive:    zw,
-		}
-
-		require.NoError(t, g.addServiceParams())
-		require.NoError(t, zw.Close())
-
-		zr, err := zip.NewReader(bytes.NewReader(buf.Bytes()), int64(buf.Len()))
-		require.NoError(t, err)
-		require.Len(t, zr.File, 1)
-		assert.Equal(t, serviceParamsBundle, zr.File[0].Name)
-
-		rc, err := zr.File[0].Open()
-		require.NoError(t, err)
-		defer rc.Close()
-
-		var result map[string]any
-		require.NoError(t, json.NewDecoder(rc).Decode(&result))
-
-		mgmt := result[jsonKeyManagementURL].(string)
-		assert.NotEqual(t, "https://api.example.com:443", mgmt, "management_url should be anonymized")
-		assert.NotEmpty(t, mgmt)
-
-		env := result[jsonKeyServiceEnv].(map[string]any)
-		assert.NotEqual(t, maskedValue, env["NB_LOG_LEVEL"], "safe NB_ var should not be masked")
-	})
-
-	t.Run("management_url preserved when anonymize is false", func(t *testing.T) {
-		dir := t.TempDir()
-		origStateDir := configs.StateDir
-		configs.StateDir = dir
-		t.Cleanup(func() { configs.StateDir = origStateDir })
-
-		input := map[string]any{
-			jsonKeyManagementURL: "https://api.example.com:443",
-		}
-		data, err := json.Marshal(input)
-		require.NoError(t, err)
-		require.NoError(t, os.WriteFile(filepath.Join(dir, serviceParamsFile), data, 0600))
-
-		var buf bytes.Buffer
-		zw := zip.NewWriter(&buf)
-
-		g := &BundleGenerator{
-			anonymize:  false,
-			anonymizer: anonymize.NewAnonymizer(anonymize.DefaultAddresses()),
-			archive:    zw,
-		}
-
-		require.NoError(t, g.addServiceParams())
-		require.NoError(t, zw.Close())
-
-		zr, err := zip.NewReader(bytes.NewReader(buf.Bytes()), int64(buf.Len()))
-		require.NoError(t, err)
-
-		rc, err := zr.File[0].Open()
-		require.NoError(t, err)
-		defer rc.Close()
-
-		var result map[string]any
-		require.NoError(t, json.NewDecoder(rc).Decode(&result))
-
-		assert.Equal(t, "https://api.example.com:443", result[jsonKeyManagementURL], "management_url should be preserved")
-	})
-}
-
 // Helper function to check if IP is in CGNAT range
 func isInCGNATRange(ip net.IP) bool {
 	cgnat := net.IPNet{

client/internal/dns/handler_chain.go

@@ -73,9 +73,6 @@ func (w *ResponseWriterChain) WriteMsg(m *dns.Msg) error {
 		return nil
 	}
 	w.response = m
-	if m.MsgHdr.Truncated {
-		w.SetMeta("truncated", "true")
-	}
 	return w.ResponseWriter.WriteMsg(m)
 }
 
@@ -198,14 +195,10 @@ func (c *HandlerChain) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 
 	startTime := time.Now()
 	requestID := resutil.GenerateRequestID()
-	fields := log.Fields{
+	logger := log.WithFields(log.Fields{
 		"request_id": requestID,
 		"dns_id":     fmt.Sprintf("%04x", r.Id),
-	}
-	if addr := w.RemoteAddr(); addr != nil {
-		fields["client"] = addr.String()
-	}
-	logger := log.WithFields(fields)
+	})
 
 	question := r.Question[0]
 	qname := strings.ToLower(question.Name)
@@ -268,9 +261,9 @@ func (c *HandlerChain) logResponse(logger *log.Entry, cw *ResponseWriterChain, q
 		meta += " " + k + "=" + v
 	}
 
-	logger.Tracef("response: domain=%s rcode=%s answers=%s size=%dB%s took=%s",
+	logger.Tracef("response: domain=%s rcode=%s answers=%s%s took=%s",
 		qname, dns.RcodeToString[cw.response.Rcode], resutil.FormatAnswers(cw.response.Answer),
-		cw.response.Len(), meta, time.Since(startTime))
+		meta, time.Since(startTime))
 }
 
 func (c *HandlerChain) isHandlerMatch(qname string, entry HandlerEntry) bool {

client/internal/dns/host_darwin.go

@@ -14,8 +14,6 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/hashicorp/go-multierror"
-	nberrors "github.com/netbirdio/netbird/client/errors"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/exp/maps"
 
@@ -24,7 +22,6 @@ import (
 
 const (
 	netbirdDNSStateKeyFormat            = "State:/Network/Service/NetBird-%s/DNS"
-	netbirdDNSStateKeyIndexedFormat     = "State:/Network/Service/NetBird-%s-%d/DNS"
 	globalIPv4State                     = "State:/Network/Global/IPv4"
 	primaryServiceStateKeyFormat        = "State:/Network/Service/%s/DNS"
 	keySupplementalMatchDomains         = "SupplementalMatchDomains"
@@ -38,14 +35,6 @@ const (
 	searchSuffix                        = "Search"
 	matchSuffix                         = "Match"
 	localSuffix                         = "Local"
-
-	// maxDomainsPerResolverEntry is the max number of domains per scutil resolver key.
-	// scutil's d.add has maxArgs=101 (key + * + 99 values), so 99 is the hard cap.
-	maxDomainsPerResolverEntry = 50
-
-	// maxDomainBytesPerResolverEntry is the max total bytes of domain strings per key.
-	// scutil has an undocumented ~2048 byte value buffer; we stay well under it.
-	maxDomainBytesPerResolverEntry = 1500
 )
 
 type systemConfigurator struct {
@@ -95,23 +84,28 @@ func (s *systemConfigurator) applyDNSConfig(config HostDNSConfig, stateManager *
 		searchDomains = append(searchDomains, strings.TrimSuffix(""+dConf.Domain, "."))
 	}
 
-	if err := s.removeKeysContaining(matchSuffix); err != nil {
-		log.Warnf("failed to remove old match keys: %v", err)
-	}
+	matchKey := getKeyWithInput(netbirdDNSStateKeyFormat, matchSuffix)
+	var err error
 	if len(matchDomains) != 0 {
-		if err := s.addBatchedDomains(matchSuffix, matchDomains, config.ServerIP, config.ServerPort, false); err != nil {
-			return fmt.Errorf("add match domains: %w", err)
-		}
+		err = s.addMatchDomains(matchKey, strings.Join(matchDomains, " "), config.ServerIP, config.ServerPort)
+	} else {
+		log.Infof("removing match domains from the system")
+		err = s.removeKeyFromSystemConfig(matchKey)
+	}
+	if err != nil {
+		return fmt.Errorf("add match domains: %w", err)
 	}
 	s.updateState(stateManager)
 
-	if err := s.removeKeysContaining(searchSuffix); err != nil {
-		log.Warnf("failed to remove old search keys: %v", err)
-	}
+	searchKey := getKeyWithInput(netbirdDNSStateKeyFormat, searchSuffix)
 	if len(searchDomains) != 0 {
-		if err := s.addBatchedDomains(searchSuffix, searchDomains, config.ServerIP, config.ServerPort, true); err != nil {
-			return fmt.Errorf("add search domains: %w", err)
-		}
+		err = s.addSearchDomains(searchKey, strings.Join(searchDomains, " "), config.ServerIP, config.ServerPort)
+	} else {
+		log.Infof("removing search domains from the system")
+		err = s.removeKeyFromSystemConfig(searchKey)
+	}
+	if err != nil {
+		return fmt.Errorf("add search domains: %w", err)
 	}
 	s.updateState(stateManager)
 
@@ -155,7 +149,8 @@ func (s *systemConfigurator) restoreHostDNS() error {
 
 func (s *systemConfigurator) getRemovableKeysWithDefaults() []string {
 	if len(s.createdKeys) == 0 {
-		return s.discoverExistingKeys()
+		// return defaults for startup calls
+		return []string{getKeyWithInput(netbirdDNSStateKeyFormat, searchSuffix), getKeyWithInput(netbirdDNSStateKeyFormat, matchSuffix)}
 	}
 
 	keys := make([]string, 0, len(s.createdKeys))
@@ -165,47 +160,6 @@ func (s *systemConfigurator) getRemovableKeysWithDefaults() []string {
 	return keys
 }
 
-// discoverExistingKeys probes scutil for all NetBird DNS keys that may exist.
-// This handles the case where createdKeys is empty (e.g., state file lost after unclean shutdown).
-func (s *systemConfigurator) discoverExistingKeys() []string {
-	dnsKeys, err := getSystemDNSKeys()
-	if err != nil {
-		log.Errorf("failed to get system DNS keys: %v", err)
-		return nil
-	}
-
-	var keys []string
-
-	for _, suffix := range []string{searchSuffix, matchSuffix, localSuffix} {
-		key := getKeyWithInput(netbirdDNSStateKeyFormat, suffix)
-		if strings.Contains(dnsKeys, key) {
-			keys = append(keys, key)
-		}
-	}
-
-	for _, suffix := range []string{searchSuffix, matchSuffix} {
-		for i := 0; ; i++ {
-			key := fmt.Sprintf(netbirdDNSStateKeyIndexedFormat, suffix, i)
-			if !strings.Contains(dnsKeys, key) {
-				break
-			}
-			keys = append(keys, key)
-		}
-	}
-
-	return keys
-}
-
-// getSystemDNSKeys gets all DNS keys
-func getSystemDNSKeys() (string, error) {
-	command := "list .*DNS\nquit\n"
-	out, err := runSystemConfigCommand(command)
-	if err != nil {
-		return "", err
-	}
-	return string(out), nil
-}
-
 func (s *systemConfigurator) removeKeyFromSystemConfig(key string) error {
 	line := buildRemoveKeyOperation(key)
 	_, err := runSystemConfigCommand(wrapCommand(line))
@@ -230,11 +184,12 @@ func (s *systemConfigurator) addLocalDNS() error {
 		return nil
 	}
 
-	domainsStr := strings.Join(s.systemDNSSettings.Domains, " ")
-	if err := s.addDNSState(localKey, domainsStr, s.systemDNSSettings.ServerIP, s.systemDNSSettings.ServerPort, true); err != nil {
-		return fmt.Errorf("add local dns state: %w", err)
+	if err := s.addSearchDomains(
+		localKey,
+		strings.Join(s.systemDNSSettings.Domains, " "), s.systemDNSSettings.ServerIP, s.systemDNSSettings.ServerPort,
+	); err != nil {
+		return fmt.Errorf("add search domains: %w", err)
 	}
-	s.createdKeys[localKey] = struct{}{}
 
 	return nil
 }
@@ -325,77 +280,28 @@ func (s *systemConfigurator) getOriginalNameservers() []netip.Addr {
 	return slices.Clone(s.origNameservers)
 }
 
-// splitDomainsIntoBatches splits domains into batches respecting both element count and byte size limits.
-func splitDomainsIntoBatches(domains []string) [][]string {
-	if len(domains) == 0 {
-		return nil
+func (s *systemConfigurator) addSearchDomains(key, domains string, ip netip.Addr, port int) error {
+	err := s.addDNSState(key, domains, ip, port, true)
+	if err != nil {
+		return fmt.Errorf("add dns state: %w", err)
 	}
 
-	var batches [][]string
-	var current []string
-	currentBytes := 0
+	log.Infof("added %d search domains to the state. Domain list: %s", len(strings.Split(domains, " ")), domains)
 
-	for _, d := range domains {
-		domainLen := len(d)
-		newBytes := currentBytes + domainLen
-		if currentBytes > 0 {
-			newBytes++ // space separator
-		}
+	s.createdKeys[key] = struct{}{}
 
-		if len(current) > 0 && (len(current) >= maxDomainsPerResolverEntry || newBytes > maxDomainBytesPerResolverEntry) {
-			batches = append(batches, current)
-			current = nil
-			currentBytes = 0
-		}
-
-		current = append(current, d)
-		if currentBytes > 0 {
-			currentBytes += 1 + domainLen
-		} else {
-			currentBytes = domainLen
-		}
-	}
-
-	if len(current) > 0 {
-		batches = append(batches, current)
-	}
-
-	return batches
+	return nil
 }
 
-// removeKeysContaining removes all created keys that contain the given substring.
-func (s *systemConfigurator) removeKeysContaining(suffix string) error {
-	var toRemove []string
-	for key := range s.createdKeys {
-		if strings.Contains(key, suffix) {
-			toRemove = append(toRemove, key)
-		}
-	}
-	var multiErr *multierror.Error
-	for _, key := range toRemove {
-		if err := s.removeKeyFromSystemConfig(key); err != nil {
-			multiErr = multierror.Append(multiErr, fmt.Errorf("couldn't remove key %s: %w", key, err))
-		}
-	}
-	return nberrors.FormatErrorOrNil(multiErr)
-}
-
-// addBatchedDomains splits domains into batches and creates indexed scutil keys for each batch.
-func (s *systemConfigurator) addBatchedDomains(suffix string, domains []string, ip netip.Addr, port int, enableSearch bool) error {
-	batches := splitDomainsIntoBatches(domains)
-
-	for i, batch := range batches {
-		key := fmt.Sprintf(netbirdDNSStateKeyIndexedFormat, suffix, i)
-		domainsStr := strings.Join(batch, " ")
-
-		if err := s.addDNSState(key, domainsStr, ip, port, enableSearch); err != nil {
-			return fmt.Errorf("add dns state for batch %d: %w", i, err)
-		}
-
-		s.createdKeys[key] = struct{}{}
+func (s *systemConfigurator) addMatchDomains(key, domains string, dnsServer netip.Addr, port int) error {
+	err := s.addDNSState(key, domains, dnsServer, port, false)
+	if err != nil {
+		return fmt.Errorf("add dns state: %w", err)
 	}
 
-	log.Infof("added %d %s domains across %d resolver entries", len(domains), suffix, len(batches))
+	log.Infof("added %d match domains to the state. Domain list: %s", len(strings.Split(domains, " ")), domains)
+
+	s.createdKeys[key] = struct{}{}
 
 	return nil
 }
@@ -458,6 +364,7 @@ func (s *systemConfigurator) flushDNSCache() error {
 	if out, err := cmd.CombinedOutput(); err != nil {
 		return fmt.Errorf("restart mDNSResponder: %w, output: %s", err, out)
 	}
+
 	log.Info("flushed DNS cache")
 	return nil
 }

client/internal/dns/host_darwin_test.go

@@ -3,10 +3,7 @@
 package dns
 
 import (
-	"bufio"
-	"bytes"
 	"context"
-	"fmt"
 	"net/netip"
 	"os/exec"
 	"path/filepath"
@@ -52,22 +49,17 @@ func TestDarwinDNSUncleanShutdownCleanup(t *testing.T) {
 
 	require.NoError(t, sm.PersistState(context.Background()))
 
+	searchKey := getKeyWithInput(netbirdDNSStateKeyFormat, searchSuffix)
+	matchKey := getKeyWithInput(netbirdDNSStateKeyFormat, matchSuffix)
 	localKey := getKeyWithInput(netbirdDNSStateKeyFormat, localSuffix)
 
-	// Collect all created keys for cleanup verification
-	createdKeys := make([]string, 0, len(configurator.createdKeys))
-	for key := range configurator.createdKeys {
-		createdKeys = append(createdKeys, key)
-	}
-
 	defer func() {
-		for _, key := range createdKeys {
+		for _, key := range []string{searchKey, matchKey, localKey} {
 			_ = removeTestDNSKey(key)
 		}
-		_ = removeTestDNSKey(localKey)
 	}()
 
-	for _, key := range createdKeys {
+	for _, key := range []string{searchKey, matchKey, localKey} {
 		exists, err := checkDNSKeyExists(key)
 		require.NoError(t, err)
 		if exists {
@@ -91,223 +83,13 @@ func TestDarwinDNSUncleanShutdownCleanup(t *testing.T) {
 	err = shutdownState.Cleanup()
 	require.NoError(t, err)
 
-	for _, key := range createdKeys {
+	for _, key := range []string{searchKey, matchKey, localKey} {
 		exists, err := checkDNSKeyExists(key)
 		require.NoError(t, err)
 		assert.False(t, exists, "Key %s should NOT exist after cleanup", key)
 	}
 }
 
-// generateShortDomains generates domains like a.com, b.com, ..., aa.com, ab.com, etc.
-func generateShortDomains(count int) []string {
-	domains := make([]string, 0, count)
-	for i := range count {
-		label := ""
-		n := i
-		for {
-			label = string(rune('a'+n%26)) + label
-			n = n/26 - 1
-			if n < 0 {
-				break
-			}
-		}
-		domains = append(domains, label+".com")
-	}
-	return domains
-}
-
-// generateLongDomains generates domains like subdomain-000.department.organization-name.example.com
-func generateLongDomains(count int) []string {
-	domains := make([]string, 0, count)
-	for i := range count {
-		domains = append(domains, fmt.Sprintf("subdomain-%03d.department.organization-name.example.com", i))
-	}
-	return domains
-}
-
-// readDomainsFromKey reads the SupplementalMatchDomains array back from scutil for a given key.
-func readDomainsFromKey(t *testing.T, key string) []string {
-	t.Helper()
-
-	cmd := exec.Command(scutilPath)
-	cmd.Stdin = strings.NewReader(fmt.Sprintf("open\nshow %s\nquit\n", key))
-	out, err := cmd.Output()
-	require.NoError(t, err, "scutil show should succeed")
-
-	var domains []string
-	inArray := false
-	scanner := bufio.NewScanner(bytes.NewReader(out))
-	for scanner.Scan() {
-		line := strings.TrimSpace(scanner.Text())
-		if strings.HasPrefix(line, "SupplementalMatchDomains") && strings.Contains(line, "<array>") {
-			inArray = true
-			continue
-		}
-		if inArray {
-			if line == "}" {
-				break
-			}
-			// lines look like: "0 : a.com"
-			parts := strings.SplitN(line, " : ", 2)
-			if len(parts) == 2 {
-				domains = append(domains, parts[1])
-			}
-		}
-	}
-	require.NoError(t, scanner.Err())
-	return domains
-}
-
-func TestSplitDomainsIntoBatches(t *testing.T) {
-	tests := []struct {
-		name            string
-		domains         []string
-		expectedCount   int
-		checkAllPresent bool
-	}{
-		{
-			name:          "empty",
-			domains:       nil,
-			expectedCount: 0,
-		},
-		{
-			name:            "under_limit",
-			domains:         generateShortDomains(10),
-			expectedCount:   1,
-			checkAllPresent: true,
-		},
-		{
-			name:            "at_element_limit",
-			domains:         generateShortDomains(50),
-			expectedCount:   1,
-			checkAllPresent: true,
-		},
-		{
-			name:            "over_element_limit",
-			domains:         generateShortDomains(51),
-			expectedCount:   2,
-			checkAllPresent: true,
-		},
-		{
-			name:            "triple_element_limit",
-			domains:         generateShortDomains(150),
-			expectedCount:   3,
-			checkAllPresent: true,
-		},
-		{
-			name:            "long_domains_hit_byte_limit",
-			domains:         generateLongDomains(50),
-			checkAllPresent: true,
-		},
-		{
-			name:            "500_short_domains",
-			domains:         generateShortDomains(500),
-			expectedCount:   10,
-			checkAllPresent: true,
-		},
-		{
-			name:            "500_long_domains",
-			domains:         generateLongDomains(500),
-			checkAllPresent: true,
-		},
-	}
-
-	for _, tc := range tests {
-		t.Run(tc.name, func(t *testing.T) {
-			batches := splitDomainsIntoBatches(tc.domains)
-
-			if tc.expectedCount > 0 {
-				assert.Len(t, batches, tc.expectedCount, "expected %d batches", tc.expectedCount)
-			}
-
-			// Verify each batch respects limits
-			for i, batch := range batches {
-				assert.LessOrEqual(t, len(batch), maxDomainsPerResolverEntry,
-					"batch %d exceeds element limit", i)
-
-				totalBytes := 0
-				for j, d := range batch {
-					if j > 0 {
-						totalBytes++
-					}
-					totalBytes += len(d)
-				}
-				assert.LessOrEqual(t, totalBytes, maxDomainBytesPerResolverEntry,
-					"batch %d exceeds byte limit (%d bytes)", i, totalBytes)
-			}
-
-			if tc.checkAllPresent {
-				var all []string
-				for _, batch := range batches {
-					all = append(all, batch...)
-				}
-				assert.Equal(t, tc.domains, all, "all domains should be present in order")
-			}
-		})
-	}
-}
-
-// TestMatchDomainBatching writes increasing numbers of domains via the batching mechanism
-// and verifies all domains are readable across multiple scutil keys.
-func TestMatchDomainBatching(t *testing.T) {
-	if testing.Short() {
-		t.Skip("skipping scutil integration test in short mode")
-	}
-
-	testCases := []struct {
-		name      string
-		count     int
-		generator func(int) []string
-	}{
-		{"short_10", 10, generateShortDomains},
-		{"short_50", 50, generateShortDomains},
-		{"short_100", 100, generateShortDomains},
-		{"short_200", 200, generateShortDomains},
-		{"short_500", 500, generateShortDomains},
-		{"long_10", 10, generateLongDomains},
-		{"long_50", 50, generateLongDomains},
-		{"long_100", 100, generateLongDomains},
-		{"long_200", 200, generateLongDomains},
-		{"long_500", 500, generateLongDomains},
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			configurator := &systemConfigurator{
-				createdKeys: make(map[string]struct{}),
-			}
-
-			defer func() {
-				for key := range configurator.createdKeys {
-					_ = removeTestDNSKey(key)
-				}
-			}()
-
-			domains := tc.generator(tc.count)
-			err := configurator.addBatchedDomains(matchSuffix, domains, netip.MustParseAddr("100.64.0.1"), 53, false)
-			require.NoError(t, err)
-
-			batches := splitDomainsIntoBatches(domains)
-			t.Logf("wrote %d domains across %d batched keys", tc.count, len(batches))
-
-			// Read back all domains from all batched keys
-			var got []string
-			for i := range batches {
-				key := fmt.Sprintf(netbirdDNSStateKeyIndexedFormat, matchSuffix, i)
-				exists, err := checkDNSKeyExists(key)
-				require.NoError(t, err)
-				require.True(t, exists, "key %s should exist", key)
-
-				got = append(got, readDomainsFromKey(t, key)...)
-			}
-
-			t.Logf("read back %d/%d domains from %d keys", len(got), tc.count, len(batches))
-			assert.Equal(t, tc.count, len(got), "all domains should be readable")
-			assert.Equal(t, domains, got, "domains should match in order")
-		})
-	}
-}
-
 func checkDNSKeyExists(key string) (bool, error) {
 	cmd := exec.Command(scutilPath)
 	cmd.Stdin = strings.NewReader("show " + key + "\nquit\n")
@@ -376,15 +158,15 @@ func setupTestConfigurator(t *testing.T) (*systemConfigurator, *statemanager.Man
 		createdKeys: make(map[string]struct{}),
 	}
 
+	searchKey := getKeyWithInput(netbirdDNSStateKeyFormat, searchSuffix)
+	matchKey := getKeyWithInput(netbirdDNSStateKeyFormat, matchSuffix)
+	localKey := getKeyWithInput(netbirdDNSStateKeyFormat, localSuffix)
+
 	cleanup := func() {
 		_ = sm.Stop(context.Background())
-		for key := range configurator.createdKeys {
+		for _, key := range []string{searchKey, matchKey, localKey} {
 			_ = removeTestDNSKey(key)
 		}
-		// Also clean up old-format keys and local key in case they exist
-		_ = removeTestDNSKey(getKeyWithInput(netbirdDNSStateKeyFormat, searchSuffix))
-		_ = removeTestDNSKey(getKeyWithInput(netbirdDNSStateKeyFormat, matchSuffix))
-		_ = removeTestDNSKey(getKeyWithInput(netbirdDNSStateKeyFormat, localSuffix))
 	}
 
 	return configurator, sm, cleanup

client/internal/dns/host_windows.go

@@ -42,8 +42,6 @@ const (
 	dnsPolicyConfigConfigOptionsKey     = "ConfigOptions"
 	dnsPolicyConfigConfigOptionsValue   = 0x8
 
-	nrptMaxDomainsPerRule = 50
-
 	interfaceConfigPath          = `SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces`
 	interfaceConfigNameServerKey = "NameServer"
 	interfaceConfigSearchListKey = "SearchList"
@@ -200,11 +198,10 @@ func (r *registryConfigurator) applyDNSConfig(config HostDNSConfig, stateManager
 
 	if len(matchDomains) != 0 {
 		count, err := r.addDNSMatchPolicy(matchDomains, config.ServerIP)
-		// Update count even on error to ensure cleanup covers partially created rules
-		r.nrptEntryCount = count
 		if err != nil {
 			return fmt.Errorf("add dns match policy: %w", err)
 		}
+		r.nrptEntryCount = count
 	} else {
 		r.nrptEntryCount = 0
 	}
@@ -242,33 +239,23 @@ func (r *registryConfigurator) addDNSSetupForAll(ip netip.Addr) error {
 func (r *registryConfigurator) addDNSMatchPolicy(domains []string, ip netip.Addr) (int, error) {
 	// if the gpo key is present, we need to put our DNS settings there, otherwise our config might be ignored
 	// see https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-gpnrpt/8cc31cb9-20cb-4140-9e85-3e08703b4745
+	for i, domain := range domains {
+		localPath := fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, i)
+		gpoPath := fmt.Sprintf("%s-%d", gpoDnsPolicyConfigMatchPath, i)
 
-	// We need to batch domains into chunks and create one NRPT rule per batch.
-	ruleIndex := 0
-	for i := 0; i < len(domains); i += nrptMaxDomainsPerRule {
-		end := i + nrptMaxDomainsPerRule
-		if end > len(domains) {
-			end = len(domains)
+		singleDomain := []string{domain}
+
+		if err := r.configureDNSPolicy(localPath, singleDomain, ip); err != nil {
+			return i, fmt.Errorf("configure DNS Local policy for domain %s: %w", domain, err)
 		}
-		batchDomains := domains[i:end]
-
-		localPath := fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, ruleIndex)
-		gpoPath := fmt.Sprintf("%s-%d", gpoDnsPolicyConfigMatchPath, ruleIndex)
-
-		if err := r.configureDNSPolicy(localPath, batchDomains, ip); err != nil {
-			return ruleIndex, fmt.Errorf("configure DNS Local policy for rule %d: %w", ruleIndex, err)
-		}
-
-		// Increment immediately so the caller's cleanup path knows about this rule
-		ruleIndex++
 
 		if r.gpo {
-			if err := r.configureDNSPolicy(gpoPath, batchDomains, ip); err != nil {
-				return ruleIndex, fmt.Errorf("configure gpo DNS policy for rule %d: %w", ruleIndex-1, err)
+			if err := r.configureDNSPolicy(gpoPath, singleDomain, ip); err != nil {
+				return i, fmt.Errorf("configure gpo DNS policy: %w", err)
 			}
 		}
 
-		log.Debugf("added NRPT rule %d with %d domains", ruleIndex-1, len(batchDomains))
+		log.Debugf("added NRPT entry for domain: %s", domain)
 	}
 
 	if r.gpo {
@@ -277,8 +264,8 @@ func (r *registryConfigurator) addDNSMatchPolicy(domains []string, ip netip.Addr
 		}
 	}
 
-	log.Infof("added %d NRPT rules for %d domains", ruleIndex, len(domains))
-	return ruleIndex, nil
+	log.Infof("added %d separate NRPT entries. Domain list: %s", len(domains), domains)
+	return len(domains), nil
 }
 
 func (r *registryConfigurator) configureDNSPolicy(policyPath string, domains []string, ip netip.Addr) error {

client/internal/dns/host_windows_test.go

@@ -12,7 +12,6 @@ import (
 
 // TestNRPTEntriesCleanupOnConfigChange tests that old NRPT entries are properly cleaned up
 // when the number of match domains decreases between configuration changes.
-// With batching enabled (50 domains per rule), we need enough domains to create multiple rules.
 func TestNRPTEntriesCleanupOnConfigChange(t *testing.T) {
 	if testing.Short() {
 		t.Skip("skipping registry integration test in short mode")
@@ -38,60 +37,51 @@ func TestNRPTEntriesCleanupOnConfigChange(t *testing.T) {
 		gpo:  false,
 	}
 
-	// Create 125 domains which will result in 3 NRPT rules (50+50+25)
-	domains125 := make([]DomainConfig, 125)
-	for i := 0; i < 125; i++ {
-		domains125[i] = DomainConfig{
-			Domain:    fmt.Sprintf("domain%d.com", i+1),
-			MatchOnly: true,
-		}
-	}
-
-	config125 := HostDNSConfig{
+	config5 := HostDNSConfig{
 		ServerIP: testIP,
-		Domains:  domains125,
+		Domains: []DomainConfig{
+			{Domain: "domain1.com", MatchOnly: true},
+			{Domain: "domain2.com", MatchOnly: true},
+			{Domain: "domain3.com", MatchOnly: true},
+			{Domain: "domain4.com", MatchOnly: true},
+			{Domain: "domain5.com", MatchOnly: true},
+		},
 	}
 
-	err = cfg.applyDNSConfig(config125, nil)
+	err = cfg.applyDNSConfig(config5, nil)
 	require.NoError(t, err)
 
-	// Verify 3 NRPT rules exist
-	assert.Equal(t, 3, cfg.nrptEntryCount, "Should create 3 NRPT rules for 125 domains")
-	for i := 0; i < 3; i++ {
+	// Verify all 5 entries exist
+	for i := 0; i < 5; i++ {
 		exists, err := registryKeyExists(fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, i))
 		require.NoError(t, err)
-		assert.True(t, exists, "NRPT rule %d should exist after first config", i)
+		assert.True(t, exists, "Entry %d should exist after first config", i)
 	}
 
-	// Reduce to 75 domains which will result in 2 NRPT rules (50+25)
-	domains75 := make([]DomainConfig, 75)
-	for i := 0; i < 75; i++ {
-		domains75[i] = DomainConfig{
-			Domain:    fmt.Sprintf("domain%d.com", i+1),
-			MatchOnly: true,
-		}
-	}
-
-	config75 := HostDNSConfig{
+	config2 := HostDNSConfig{
 		ServerIP: testIP,
-		Domains:  domains75,
+		Domains: []DomainConfig{
+			{Domain: "domain1.com", MatchOnly: true},
+			{Domain: "domain2.com", MatchOnly: true},
+		},
 	}
 
-	err = cfg.applyDNSConfig(config75, nil)
+	err = cfg.applyDNSConfig(config2, nil)
 	require.NoError(t, err)
 
-	// Verify first 2 NRPT rules exist
-	assert.Equal(t, 2, cfg.nrptEntryCount, "Should create 2 NRPT rules for 75 domains")
+	// Verify first 2 entries exist
 	for i := 0; i < 2; i++ {
 		exists, err := registryKeyExists(fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, i))
 		require.NoError(t, err)
-		assert.True(t, exists, "NRPT rule %d should exist after second config", i)
+		assert.True(t, exists, "Entry %d should exist after second config", i)
 	}
 
-	// Verify rule 2 is cleaned up
-	exists, err := registryKeyExists(fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, 2))
-	require.NoError(t, err)
-	assert.False(t, exists, "NRPT rule 2 should NOT exist after reducing to 75 domains")
+	// Verify entries 2-4 are cleaned up
+	for i := 2; i < 5; i++ {
+		exists, err := registryKeyExists(fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, i))
+		require.NoError(t, err)
+		assert.False(t, exists, "Entry %d should NOT exist after reducing to 2 domains", i)
+	}
 }
 
 func registryKeyExists(path string) (bool, error) {
@@ -107,106 +97,6 @@ func registryKeyExists(path string) (bool, error) {
 }
 
 func cleanupRegistryKeys(*testing.T) {
-	// Clean up more entries to account for batching tests with many domains
-	cfg := &registryConfigurator{nrptEntryCount: 20}
+	cfg := &registryConfigurator{nrptEntryCount: 10}
 	_ = cfg.removeDNSMatchPolicies()
 }
-
-// TestNRPTDomainBatching verifies that domains are correctly batched into NRPT rules.
-func TestNRPTDomainBatching(t *testing.T) {
-	if testing.Short() {
-		t.Skip("skipping registry integration test in short mode")
-	}
-
-	defer cleanupRegistryKeys(t)
-	cleanupRegistryKeys(t)
-
-	testIP := netip.MustParseAddr("100.64.0.1")
-
-	// Create a test interface registry key so updateSearchDomains doesn't fail
-	testGUID := "{12345678-1234-1234-1234-123456789ABC}"
-	interfacePath := `SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\` + testGUID
-	testKey, _, err := registry.CreateKey(registry.LOCAL_MACHINE, interfacePath, registry.SET_VALUE)
-	require.NoError(t, err, "Should create test interface registry key")
-	testKey.Close()
-	defer func() {
-		_ = registry.DeleteKey(registry.LOCAL_MACHINE, interfacePath)
-	}()
-
-	cfg := &registryConfigurator{
-		guid: testGUID,
-		gpo:  false,
-	}
-
-	testCases := []struct {
-		name              string
-		domainCount       int
-		expectedRuleCount int
-	}{
-		{
-			name:              "Less than 50 domains (single rule)",
-			domainCount:       30,
-			expectedRuleCount: 1,
-		},
-		{
-			name:              "Exactly 50 domains (single rule)",
-			domainCount:       50,
-			expectedRuleCount: 1,
-		},
-		{
-			name:              "51 domains (two rules)",
-			domainCount:       51,
-			expectedRuleCount: 2,
-		},
-		{
-			name:              "100 domains (two rules)",
-			domainCount:       100,
-			expectedRuleCount: 2,
-		},
-		{
-			name:              "125 domains (three rules: 50+50+25)",
-			domainCount:       125,
-			expectedRuleCount: 3,
-		},
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			// Clean up before each subtest
-			cleanupRegistryKeys(t)
-
-			// Generate domains
-			domains := make([]DomainConfig, tc.domainCount)
-			for i := 0; i < tc.domainCount; i++ {
-				domains[i] = DomainConfig{
-					Domain:    fmt.Sprintf("domain%d.com", i+1),
-					MatchOnly: true,
-				}
-			}
-
-			config := HostDNSConfig{
-				ServerIP: testIP,
-				Domains:  domains,
-			}
-
-			err := cfg.applyDNSConfig(config, nil)
-			require.NoError(t, err)
-
-			// Verify that exactly expectedRuleCount rules were created
-			assert.Equal(t, tc.expectedRuleCount, cfg.nrptEntryCount,
-				"Should create %d NRPT rules for %d domains", tc.expectedRuleCount, tc.domainCount)
-
-			// Verify all expected rules exist
-			for i := 0; i < tc.expectedRuleCount; i++ {
-				exists, err := registryKeyExists(fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, i))
-				require.NoError(t, err)
-				assert.True(t, exists, "NRPT rule %d should exist", i)
-			}
-
-			// Verify no extra rules were created
-			exists, err := registryKeyExists(fmt.Sprintf("%s-%d", dnsPolicyConfigMatchPath, tc.expectedRuleCount))
-			require.NoError(t, err)
-			assert.False(t, exists, "No NRPT rule should exist at index %d", tc.expectedRuleCount)
-		})
-	}
-}

client/internal/dns/local/local.go

@@ -77,7 +77,7 @@ func (d *Resolver) ID() types.HandlerID {
 	return "local-resolver"
 }
 
-func (d *Resolver) ProbeAvailability(context.Context) {}
+func (d *Resolver) ProbeAvailability() {}
 
 // ServeDNS handles a DNS request
 func (d *Resolver) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {

client/internal/dns/local/local_test.go

@@ -1263,9 +1263,9 @@ func TestLocalResolver_AuthoritativeFlag(t *testing.T) {
 	})
 }
 
-// TestLocalResolver_Stop tests cleanup on GracefullyStop
+// TestLocalResolver_Stop tests cleanup on Stop
 func TestLocalResolver_Stop(t *testing.T) {
-	t.Run("GracefullyStop clears all state", func(t *testing.T) {
+	t.Run("Stop clears all state", func(t *testing.T) {
 		resolver := NewResolver()
 		resolver.Update([]nbdns.CustomZone{{
 			Domain: "example.com.",
@@ -1285,7 +1285,7 @@ func TestLocalResolver_Stop(t *testing.T) {
 		assert.False(t, resolver.isInManagedZone("host.example.com."))
 	})
 
-	t.Run("GracefullyStop is safe to call multiple times", func(t *testing.T) {
+	t.Run("Stop is safe to call multiple times", func(t *testing.T) {
 		resolver := NewResolver()
 		resolver.Update([]nbdns.CustomZone{{
 			Domain: "example.com.",
@@ -1299,7 +1299,7 @@ func TestLocalResolver_Stop(t *testing.T) {
 		resolver.Stop()
 	})
 
-	t.Run("GracefullyStop cancels in-flight external resolution", func(t *testing.T) {
+	t.Run("Stop cancels in-flight external resolution", func(t *testing.T) {
 		resolver := NewResolver()
 
 		lookupStarted := make(chan struct{})

client/internal/dns/mgmt/mgmt.go

@@ -376,9 +376,9 @@ func (m *Resolver) extractDomainsFromServerDomains(serverDomains dnsconfig.Serve
 		}
 	}
 
-	// Flow receiver domain is intentionally excluded from caching.
-	// Cloud providers may rotate the IP behind this domain; a stale cached record
-	// causes TLS certificate verification failures on reconnect.
+	if serverDomains.Flow != "" {
+		domains = append(domains, serverDomains.Flow)
+	}
 
 	for _, stun := range serverDomains.Stuns {
 		if stun != "" {

client/internal/dns/mgmt/mgmt_test.go

@@ -391,8 +391,7 @@ func TestResolver_PartialUpdateAddsNewTypePreservesExisting(t *testing.T) {
 	}
 	assert.Len(t, resolver.GetCachedDomains(), 3)
 
-	// Update with partial ServerDomains (only flow domain - flow is intentionally excluded from
-	// caching to prevent TLS failures from stale records, so all existing domains are preserved)
+	// Update with partial ServerDomains (only flow domain - new type, should preserve all existing)
 	partialDomains := dnsconfig.ServerDomains{
 		Flow: "github.com",
 	}
@@ -401,10 +400,10 @@ func TestResolver_PartialUpdateAddsNewTypePreservesExisting(t *testing.T) {
 		t.Skipf("Skipping test due to DNS resolution failure: %v", err)
 	}
 
-	assert.Len(t, removedDomains, 0, "Should not remove any domains when only flow domain is provided")
+	assert.Len(t, removedDomains, 0, "Should not remove any domains when adding new type")
 
 	finalDomains := resolver.GetCachedDomains()
-	assert.Len(t, finalDomains, 3, "Flow domain is not cached; all original domains should be preserved")
+	assert.Len(t, finalDomains, 4, "Should have all original domains plus new flow domain")
 
 	domainStrings := make([]string, len(finalDomains))
 	for i, d := range finalDomains {
@@ -413,5 +412,5 @@ func TestResolver_PartialUpdateAddsNewTypePreservesExisting(t *testing.T) {
 	assert.Contains(t, domainStrings, "example.org")
 	assert.Contains(t, domainStrings, "google.com")
 	assert.Contains(t, domainStrings, "cloudflare.com")
-	assert.NotContains(t, domainStrings, "github.com")
+	assert.Contains(t, domainStrings, "github.com")
 }

client/internal/dns/mock_server.go

@@ -84,28 +84,3 @@ func (m *MockServer) UpdateServerConfig(domains dnsconfig.ServerDomains) error {
 func (m *MockServer) PopulateManagementDomain(mgmtURL *url.URL) error {
 	return nil
 }
-
-// SetRouteChecker mock implementation of SetRouteChecker from Server interface
-func (m *MockServer) SetRouteChecker(func(netip.Addr) bool) {
-	// Mock implementation - no-op
-}
-
-// SetFirewall mock implementation of SetFirewall from Server interface
-func (m *MockServer) SetFirewall(Firewall) {
-	// Mock implementation - no-op
-}
-
-// BeginBatch mock implementation of BeginBatch from Server interface
-func (m *MockServer) BeginBatch() {
-	// Mock implementation - no-op
-}
-
-// EndBatch mock implementation of EndBatch from Server interface
-func (m *MockServer) EndBatch() {
-	// Mock implementation - no-op
-}
-
-// CancelBatch mock implementation of CancelBatch from Server interface
-func (m *MockServer) CancelBatch() {
-	// Mock implementation - no-op
-}

client/internal/dns/response_writer.go

@@ -104,23 +104,3 @@ func (r *responseWriter) TsigTimersOnly(bool) {
 // After a call to Hijack(), the DNS package will not do anything with the connection.
 func (r *responseWriter) Hijack() {
 }
-
-// remoteAddrFromPacket extracts the source IP:port from a decoded packet for logging.
-func remoteAddrFromPacket(packet gopacket.Packet) *net.UDPAddr {
-	var srcIP net.IP
-	if ipv4 := packet.Layer(layers.LayerTypeIPv4); ipv4 != nil {
-		srcIP = ipv4.(*layers.IPv4).SrcIP
-	} else if ipv6 := packet.Layer(layers.LayerTypeIPv6); ipv6 != nil {
-		srcIP = ipv6.(*layers.IPv6).SrcIP
-	}
-
-	var srcPort int
-	if udp := packet.Layer(layers.LayerTypeUDP); udp != nil {
-		srcPort = int(udp.(*layers.UDP).SrcPort)
-	}
-
-	if srcIP == nil {
-		return nil
-	}
-	return &net.UDPAddr{IP: srcIP, Port: srcPort}
-}

client/internal/dns/server.go

@@ -45,9 +45,6 @@ type IosDnsManager interface {
 type Server interface {
 	RegisterHandler(domains domain.List, handler dns.Handler, priority int)
 	DeregisterHandler(domains domain.List, priority int)
-	BeginBatch()
-	EndBatch()
-	CancelBatch()
 	Initialize() error
 	Stop()
 	DnsIP() netip.Addr
@@ -57,8 +54,6 @@ type Server interface {
 	ProbeAvailability()
 	UpdateServerConfig(domains dnsconfig.ServerDomains) error
 	PopulateManagementDomain(mgmtURL *url.URL) error
-	SetRouteChecker(func(netip.Addr) bool)
-	SetFirewall(Firewall)
 }
 
 type nsGroupsByDomain struct {
@@ -92,7 +87,6 @@ type DefaultServer struct {
 	currentConfigHash  uint64
 	handlerChain       *HandlerChain
 	extraDomains       map[domain.Domain]int
-	batchMode          bool
 
 	mgmtCacheResolver *mgmt.Resolver
 
@@ -106,17 +100,12 @@ type DefaultServer struct {
 
 	statusRecorder *peer.Status
 	stateManager   *statemanager.Manager
-	routeMatch     func(netip.Addr) bool
-
-	probeMu     sync.Mutex
-	probeCancel context.CancelFunc
-	probeWg     sync.WaitGroup
 }
 
 type handlerWithStop interface {
 	dns.Handler
 	Stop()
-	ProbeAvailability(context.Context)
+	ProbeAvailability()
 	ID() types.HandlerID
 }
 
@@ -152,7 +141,7 @@ func NewDefaultServer(ctx context.Context, config DefaultServerConfig) (*Default
 	if config.WgInterface.IsUserspaceBind() {
 		dnsService = NewServiceViaMemory(config.WgInterface)
 	} else {
-		dnsService = newServiceViaListener(config.WgInterface, addrPort, nil)
+		dnsService = newServiceViaListener(config.WgInterface, addrPort)
 	}
 
 	server := newDefaultServer(ctx, config.WgInterface, dnsService, config.StatusRecorder, config.StateManager, config.DisableSys)
@@ -187,16 +176,11 @@ func NewDefaultServerIos(
 	ctx context.Context,
 	wgInterface WGIface,
 	iosDnsManager IosDnsManager,
-	hostsDnsList []netip.AddrPort,
 	statusRecorder *peer.Status,
 	disableSys bool,
 ) *DefaultServer {
-	log.Debugf("iOS host dns address list is: %v", hostsDnsList)
 	ds := newDefaultServer(ctx, wgInterface, NewServiceViaMemory(wgInterface), statusRecorder, nil, disableSys)
 	ds.iosDnsManager = iosDnsManager
-	ds.hostsDNSHolder.set(hostsDnsList)
-	ds.permanent = true
-	ds.addHostRootZone()
 	return ds
 }
 
@@ -237,14 +221,6 @@ func newDefaultServer(
 	return defaultServer
 }
 
-// SetRouteChecker sets the function used by upstream resolvers to determine
-// whether an IP is routed through the tunnel.
-func (s *DefaultServer) SetRouteChecker(f func(netip.Addr) bool) {
-	s.mux.Lock()
-	defer s.mux.Unlock()
-	s.routeMatch = f
-}
-
 // RegisterHandler registers a handler for the given domains with the given priority.
 // Any previously registered handler for the same domain and priority will be replaced.
 func (s *DefaultServer) RegisterHandler(domains domain.List, handler dns.Handler, priority int) {
@@ -258,9 +234,7 @@ func (s *DefaultServer) RegisterHandler(domains domain.List, handler dns.Handler
 		// convert to zone with simple ref counter
 		s.extraDomains[toZone(domain)]++
 	}
-	if !s.batchMode {
-		s.applyHostConfig()
-	}
+	s.applyHostConfig()
 }
 
 func (s *DefaultServer) registerHandler(domains []string, handler dns.Handler, priority int) {
@@ -289,41 +263,9 @@ func (s *DefaultServer) DeregisterHandler(domains domain.List, priority int) {
 			delete(s.extraDomains, zone)
 		}
 	}
-	if !s.batchMode {
-		s.applyHostConfig()
-	}
-}
-
-// BeginBatch starts batch mode for DNS handler registration/deregistration.
-// In batch mode, applyHostConfig() is not called after each handler operation,
-// allowing multiple handlers to be registered/deregistered efficiently.
-// Must be followed by EndBatch() to apply the accumulated changes.
-func (s *DefaultServer) BeginBatch() {
-	s.mux.Lock()
-	defer s.mux.Unlock()
-	log.Debugf("DNS batch mode enabled")
-	s.batchMode = true
-}
-
-// EndBatch ends batch mode and applies all accumulated DNS configuration changes.
-func (s *DefaultServer) EndBatch() {
-	s.mux.Lock()
-	defer s.mux.Unlock()
-	log.Debugf("DNS batch mode disabled, applying accumulated changes")
-	s.batchMode = false
 	s.applyHostConfig()
 }
 
-// CancelBatch cancels batch mode without applying accumulated changes.
-// This is useful when operations fail partway through and you want to
-// discard partial state rather than applying it.
-func (s *DefaultServer) CancelBatch() {
-	s.mux.Lock()
-	defer s.mux.Unlock()
-	log.Debugf("DNS batch mode cancelled, discarding accumulated changes")
-	s.batchMode = false
-}
-
 func (s *DefaultServer) deregisterHandler(domains []string, priority int) {
 	log.Debugf("deregistering handler with priority %d for %v", priority, domains)
 
@@ -380,26 +322,9 @@ func (s *DefaultServer) DnsIP() netip.Addr {
 	return s.service.RuntimeIP()
 }
 
-// SetFirewall sets the firewall used for DNS port DNAT rules.
-// This must be called before Initialize when using the listener-based service,
-// because the firewall is typically not available at construction time.
-func (s *DefaultServer) SetFirewall(fw Firewall) {
-	if svc, ok := s.service.(*serviceViaListener); ok {
-		svc.listenerFlagLock.Lock()
-		svc.firewall = fw
-		svc.listenerFlagLock.Unlock()
-	}
-}
-
 // Stop stops the server
 func (s *DefaultServer) Stop() {
-	s.probeMu.Lock()
-	if s.probeCancel != nil {
-		s.probeCancel()
-	}
 	s.ctxCancel()
-	s.probeMu.Unlock()
-	s.probeWg.Wait()
 	s.shutdownWg.Wait()
 
 	s.mux.Lock()
@@ -412,12 +337,8 @@ func (s *DefaultServer) Stop() {
 	maps.Clear(s.extraDomains)
 }
 
-func (s *DefaultServer) disableDNS() (retErr error) {
-	defer func() {
-		if err := s.service.Stop(); err != nil {
-			retErr = errors.Join(retErr, fmt.Errorf("stop DNS service: %w", err))
-		}
-	}()
+func (s *DefaultServer) disableDNS() error {
+	defer s.service.Stop()
 
 	if s.isUsingNoopHostManager() {
 		return nil
@@ -520,8 +441,7 @@ func (s *DefaultServer) SearchDomains() []string {
 }
 
 // ProbeAvailability tests each upstream group's servers for availability
-// and deactivates the group if no server responds.
-// If a previous probe is still running, it will be cancelled before starting a new one.
+// and deactivates the group if no server responds
 func (s *DefaultServer) ProbeAvailability() {
 	if val := os.Getenv(envSkipDNSProbe); val != "" {
 		skipProbe, err := strconv.ParseBool(val)
@@ -534,52 +454,15 @@ func (s *DefaultServer) ProbeAvailability() {
 		}
 	}
 
-	s.probeMu.Lock()
-
-	// don't start probes on a stopped server
-	if s.ctx.Err() != nil {
-		s.probeMu.Unlock()
-		return
-	}
-
-	// cancel any running probe
-	if s.probeCancel != nil {
-		s.probeCancel()
-		s.probeCancel = nil
-	}
-
-	// wait for the previous probe goroutines to finish while holding
-	// the mutex so no other caller can start a new probe concurrently
-	s.probeWg.Wait()
-
-	// start a new probe
-	probeCtx, probeCancel := context.WithCancel(s.ctx)
-	s.probeCancel = probeCancel
-
-	s.probeWg.Add(1)
-	defer s.probeWg.Done()
-
-	// Snapshot handlers under s.mux to avoid racing with updateMux/dnsMuxMap writers.
-	s.mux.Lock()
-	handlers := make([]handlerWithStop, 0, len(s.dnsMuxMap))
-	for _, mux := range s.dnsMuxMap {
-		handlers = append(handlers, mux.handler)
-	}
-	s.mux.Unlock()
-
 	var wg sync.WaitGroup
-	for _, handler := range handlers {
+	for _, mux := range s.dnsMuxMap {
 		wg.Add(1)
-		go func(h handlerWithStop) {
+		go func(mux handlerWithStop) {
 			defer wg.Done()
-			h.ProbeAvailability(probeCtx)
-		}(handler)
+			mux.ProbeAvailability()
+		}(mux.handler)
 	}
-
-	s.probeMu.Unlock()
-
 	wg.Wait()
-	probeCancel()
 }
 
 func (s *DefaultServer) UpdateServerConfig(domains dnsconfig.ServerDomains) error {
@@ -640,7 +523,6 @@ func (s *DefaultServer) applyConfiguration(update nbdns.Config) error {
 		s.currentConfig.RouteAll = false
 	}
 
-	// Always apply host config for management updates, regardless of batch mode
 	s.applyHostConfig()
 
 	s.shutdownWg.Add(1)
@@ -774,7 +656,6 @@ func (s *DefaultServer) registerFallback(config HostDNSConfig) {
 		log.Errorf("failed to create upstream resolver for original nameservers: %v", err)
 		return
 	}
-	handler.routeMatch = s.routeMatch
 
 	for _, ns := range originalNameservers {
 		if ns == config.ServerIP {
@@ -884,7 +765,6 @@ func (s *DefaultServer) createHandlersForDomainGroup(domainGroup nsGroupsByDomai
 		if err != nil {
 			return nil, fmt.Errorf("create upstream resolver: %v", err)
 		}
-		handler.routeMatch = s.routeMatch
 
 		for _, ns := range nsGroup.NameServers {
 			if ns.NSType != nbdns.UDPNameServerType {
@@ -1007,7 +887,6 @@ func (s *DefaultServer) upstreamCallbacks(
 			}
 		}
 
-		// Always apply host config when nameserver goes down, regardless of batch mode
 		s.applyHostConfig()
 
 		go func() {
@@ -1043,7 +922,6 @@ func (s *DefaultServer) upstreamCallbacks(
 			s.registerHandler([]string{nbdns.RootZone}, handler, priority)
 		}
 
-		// Always apply host config when nameserver reactivates, regardless of batch mode
 		s.applyHostConfig()
 
 		s.updateNSState(nsGroup, nil, true)
@@ -1069,7 +947,6 @@ func (s *DefaultServer) addHostRootZone() {
 		log.Errorf("unable to create a new upstream resolver, error: %v", err)
 		return
 	}
-	handler.routeMatch = s.routeMatch
 
 	handler.upstreamServers = maps.Keys(hostDNSServers)
 	handler.deactivate = func(error) {}

client/internal/dns/server_export_test.go

@@ -18,12 +18,7 @@ func TestGetServerDns(t *testing.T) {
 		t.Errorf("invalid dns server instance: %s", err)
 	}
 
-	mockSrvB, ok := srvB.(*MockServer)
-	if !ok {
-		t.Errorf("returned server is not a MockServer")
-	}
-
-	if mockSrvB != srv {
+	if srvB != srv {
 		t.Errorf("mismatch dns instances")
 	}
 }

client/internal/dns/server_test.go

@@ -476,8 +476,8 @@ func TestDNSFakeResolverHandleUpdates(t *testing.T) {
 
 	packetfilter := pfmock.NewMockPacketFilter(ctrl)
 	packetfilter.EXPECT().FilterOutbound(gomock.Any(), gomock.Any()).AnyTimes()
-	packetfilter.EXPECT().SetUDPPacketHook(gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
-	packetfilter.EXPECT().SetTCPPacketHook(gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
+	packetfilter.EXPECT().AddUDPPacketHook(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any())
+	packetfilter.EXPECT().RemovePacketHook(gomock.Any())
 
 	if err := wgIface.SetFilter(packetfilter); err != nil {
 		t.Errorf("set packet filter: %v", err)
@@ -1065,13 +1065,13 @@ type mockHandler struct {
 
 func (m *mockHandler) ServeDNS(dns.ResponseWriter, *dns.Msg) {}
 func (m *mockHandler) Stop()                                 {}
-func (m *mockHandler) ProbeAvailability(context.Context)     {}
+func (m *mockHandler) ProbeAvailability()                    {}
 func (m *mockHandler) ID() types.HandlerID                   { return types.HandlerID(m.Id) }
 
 type mockService struct{}
 
 func (m *mockService) Listen() error                   { return nil }
-func (m *mockService) Stop() error                     { return nil }
+func (m *mockService) Stop()                           {}
 func (m *mockService) RuntimeIP() netip.Addr           { return netip.MustParseAddr("127.0.0.1") }
 func (m *mockService) RuntimePort() int                { return 53 }
 func (m *mockService) RegisterMux(string, dns.Handler) {}

client/internal/dns/service.go

@@ -4,25 +4,15 @@ import (
 	"net/netip"
 
 	"github.com/miekg/dns"
-
-	firewall "github.com/netbirdio/netbird/client/firewall/manager"
 )
 
 const (
 	DefaultPort = 53
 )
 
-// Firewall provides DNAT capabilities for DNS port redirection.
-// This is used when the DNS server cannot bind port 53 directly
-// and needs firewall rules to redirect traffic.
-type Firewall interface {
-	AddOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error
-	RemoveOutputDNAT(localAddr netip.Addr, protocol firewall.Protocol, sourcePort, targetPort uint16) error
-}
-
 type service interface {
 	Listen() error
-	Stop() error
+	Stop()
 	RegisterMux(domain string, handler dns.Handler)
 	DeregisterMux(key string)
 	RuntimePort() int

client/internal/dns/service_listener.go

@@ -6,17 +6,12 @@ import (
 	"net"
 	"net/netip"
 	"runtime"
-	"strconv"
 	"sync"
 	"time"
 
-	"github.com/hashicorp/go-multierror"
 	"github.com/miekg/dns"
 	log "github.com/sirupsen/logrus"
 
-	nberrors "github.com/netbirdio/netbird/client/errors"
-
-	firewall "github.com/netbirdio/netbird/client/firewall/manager"
 	"github.com/netbirdio/netbird/client/internal/ebpf"
 	ebpfMgr "github.com/netbirdio/netbird/client/internal/ebpf/manager"
 )
@@ -35,33 +30,25 @@ type serviceViaListener struct {
 	dnsMux            *dns.ServeMux
 	customAddr        *netip.AddrPort
 	server            *dns.Server
-	tcpServer         *dns.Server
 	listenIP          netip.Addr
 	listenPort        uint16
 	listenerIsRunning bool
 	listenerFlagLock  sync.Mutex
 	ebpfService       ebpfMgr.Manager
-	firewall          Firewall
-	tcpDNATConfigured bool
 }
 
-func newServiceViaListener(wgIface WGIface, customAddr *netip.AddrPort, fw Firewall) *serviceViaListener {
+func newServiceViaListener(wgIface WGIface, customAddr *netip.AddrPort) *serviceViaListener {
 	mux := dns.NewServeMux()
 
 	s := &serviceViaListener{
 		wgInterface: wgIface,
 		dnsMux:      mux,
 		customAddr:  customAddr,
-		firewall:    fw,
 		server: &dns.Server{
 			Net:     "udp",
 			Handler: mux,
 			UDPSize: 65535,
 		},
-		tcpServer: &dns.Server{
-			Net:     "tcp",
-			Handler: mux,
-		},
 	}
 
 	return s
@@ -82,86 +69,43 @@ func (s *serviceViaListener) Listen() error {
 		return fmt.Errorf("eval listen address: %w", err)
 	}
 	s.listenIP = s.listenIP.Unmap()
-	addr := net.JoinHostPort(s.listenIP.String(), strconv.Itoa(int(s.listenPort)))
-	s.server.Addr = addr
-	s.tcpServer.Addr = addr
-
-	log.Debugf("starting dns on %s (UDP + TCP)", addr)
-	s.listenerIsRunning = true
-
+	s.server.Addr = fmt.Sprintf("%s:%d", s.listenIP, s.listenPort)
+	log.Debugf("starting dns on %s", s.server.Addr)
 	go func() {
-		if err := s.server.ListenAndServe(); err != nil {
-			log.Errorf("failed to run DNS UDP server on port %d: %v", s.listenPort, err)
-		}
+		s.setListenerStatus(true)
+		defer s.setListenerStatus(false)
 
-		s.listenerFlagLock.Lock()
-		unexpected := s.listenerIsRunning
-		s.listenerIsRunning = false
-		s.listenerFlagLock.Unlock()
-
-		if unexpected {
-			if err := s.tcpServer.Shutdown(); err != nil {
-				log.Debugf("failed to shutdown DNS TCP server: %v", err)
-			}
+		err := s.server.ListenAndServe()
+		if err != nil {
+			log.Errorf("dns server running with %d port returned an error: %v. Will not retry", s.listenPort, err)
 		}
 	}()
 
-	go func() {
-		if err := s.tcpServer.ListenAndServe(); err != nil {
-			log.Errorf("failed to run DNS TCP server on port %d: %v", s.listenPort, err)
-		}
-	}()
-
-	// When eBPF redirects UDP port 53 to our listen port, TCP still needs
-	// a DNAT rule because eBPF only handles UDP.
-	if s.ebpfService != nil && s.firewall != nil && s.listenPort != DefaultPort {
-		if err := s.firewall.AddOutputDNAT(s.listenIP, firewall.ProtocolTCP, DefaultPort, s.listenPort); err != nil {
-			log.Warnf("failed to add DNS TCP DNAT rule, TCP DNS on port 53 will not work: %v", err)
-		} else {
-			s.tcpDNATConfigured = true
-			log.Infof("added DNS TCP DNAT rule: %s:%d -> %s:%d", s.listenIP, DefaultPort, s.listenIP, s.listenPort)
-		}
-	}
-
 	return nil
 }
 
-func (s *serviceViaListener) Stop() error {
+func (s *serviceViaListener) Stop() {
 	s.listenerFlagLock.Lock()
 	defer s.listenerFlagLock.Unlock()
 
 	if !s.listenerIsRunning {
-		return nil
+		return
 	}
-	s.listenerIsRunning = false
 
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()
 
-	var merr *multierror.Error
-
-	if err := s.server.ShutdownContext(ctx); err != nil {
-		merr = multierror.Append(merr, fmt.Errorf("stop DNS UDP server: %w", err))
-	}
-
-	if err := s.tcpServer.ShutdownContext(ctx); err != nil {
-		merr = multierror.Append(merr, fmt.Errorf("stop DNS TCP server: %w", err))
-	}
-
-	if s.tcpDNATConfigured && s.firewall != nil {
-		if err := s.firewall.RemoveOutputDNAT(s.listenIP, firewall.ProtocolTCP, DefaultPort, s.listenPort); err != nil {
-			merr = multierror.Append(merr, fmt.Errorf("remove DNS TCP DNAT rule: %w", err))
-		}
-		s.tcpDNATConfigured = false
+	err := s.server.ShutdownContext(ctx)
+	if err != nil {
+		log.Errorf("stopping dns server listener returned an error: %v", err)
 	}
 
 	if s.ebpfService != nil {
-		if err := s.ebpfService.FreeDNSFwd(); err != nil {
-			merr = multierror.Append(merr, fmt.Errorf("stop traffic forwarder: %w", err))
+		err = s.ebpfService.FreeDNSFwd()
+		if err != nil {
+			log.Errorf("stopping traffic forwarder returned an error: %v", err)
 		}
 	}
-
-	return nberrors.FormatErrorOrNil(merr)
 }
 
 func (s *serviceViaListener) RegisterMux(pattern string, handler dns.Handler) {
@@ -188,6 +132,12 @@ func (s *serviceViaListener) RuntimeIP() netip.Addr {
 	return s.listenIP
 }
 
+func (s *serviceViaListener) setListenerStatus(running bool) {
+	s.listenerFlagLock.Lock()
+	defer s.listenerFlagLock.Unlock()
+
+	s.listenerIsRunning = running
+}
 
 // evalListenAddress figure out the listen address for the DNS server
 // first check the 53 port availability on WG interface or lo, if not success
@@ -236,28 +186,18 @@ func (s *serviceViaListener) testFreePort(port int) (netip.Addr, bool) {
 }
 
 func (s *serviceViaListener) tryToBind(ip netip.Addr, port int) bool {
-	addrPort := netip.AddrPortFrom(ip, uint16(port))
-
-	udpAddr := net.UDPAddrFromAddrPort(addrPort)
-	udpLn, err := net.ListenUDP("udp", udpAddr)
+	addrString := fmt.Sprintf("%s:%d", ip, port)
+	udpAddr := net.UDPAddrFromAddrPort(netip.MustParseAddrPort(addrString))
+	probeListener, err := net.ListenUDP("udp", udpAddr)
 	if err != nil {
-		log.Warnf("binding dns UDP on %s is not available: %s", addrPort, err)
+		log.Warnf("binding dns on %s is not available, error: %s", addrString, err)
 		return false
 	}
-	if err := udpLn.Close(); err != nil {
-		log.Debugf("close UDP probe listener: %s", err)
-	}
 
-	tcpAddr := net.TCPAddrFromAddrPort(addrPort)
-	tcpLn, err := net.ListenTCP("tcp", tcpAddr)
+	err = probeListener.Close()
 	if err != nil {
-		log.Warnf("binding dns TCP on %s is not available: %s", addrPort, err)
-		return false
+		log.Errorf("got an error closing the probe listener, error: %s", err)
 	}
-	if err := tcpLn.Close(); err != nil {
-		log.Debugf("close TCP probe listener: %s", err)
-	}
-
 	return true
 }
 

client/internal/dns/service_listener_test.go

@@ -1,86 +0,0 @@
-package dns
-
-import (
-	"fmt"
-	"net"
-	"net/netip"
-	"testing"
-	"time"
-
-	"github.com/miekg/dns"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestServiceViaListener_TCPAndUDP(t *testing.T) {
-	handler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		m := new(dns.Msg)
-		m.SetReply(r)
-		m.Answer = append(m.Answer, &dns.A{
-			Hdr: dns.RR_Header{Name: r.Question[0].Name, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 60},
-			A:   net.ParseIP("192.0.2.1"),
-		})
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	// Create a service using a custom address to avoid needing root
-	svc := newServiceViaListener(nil, nil, nil)
-	svc.dnsMux.Handle(".", handler)
-
-	// Bind both transports up front to avoid TOCTOU races.
-	udpAddr := net.UDPAddrFromAddrPort(netip.AddrPortFrom(customIP, 0))
-	udpConn, err := net.ListenUDP("udp", udpAddr)
-	if err != nil {
-		t.Skip("cannot bind to 127.0.0.153, skipping")
-	}
-	port := uint16(udpConn.LocalAddr().(*net.UDPAddr).Port)
-
-	tcpAddr := net.TCPAddrFromAddrPort(netip.AddrPortFrom(customIP, port))
-	tcpLn, err := net.ListenTCP("tcp", tcpAddr)
-	if err != nil {
-		udpConn.Close()
-		t.Skip("cannot bind TCP on same port, skipping")
-	}
-
-	addr := fmt.Sprintf("%s:%d", customIP, port)
-	svc.server.PacketConn = udpConn
-	svc.tcpServer.Listener = tcpLn
-	svc.listenIP = customIP
-	svc.listenPort = port
-
-	go func() {
-		if err := svc.server.ActivateAndServe(); err != nil {
-			t.Logf("udp server: %v", err)
-		}
-	}()
-	go func() {
-		if err := svc.tcpServer.ActivateAndServe(); err != nil {
-			t.Logf("tcp server: %v", err)
-		}
-	}()
-	svc.listenerIsRunning = true
-
-	defer func() {
-		require.NoError(t, svc.Stop())
-	}()
-
-	q := new(dns.Msg).SetQuestion("example.com.", dns.TypeA)
-
-	// Test UDP query
-	udpClient := &dns.Client{Net: "udp", Timeout: 2 * time.Second}
-	udpResp, _, err := udpClient.Exchange(q, addr)
-	require.NoError(t, err, "UDP query should succeed")
-	require.NotNil(t, udpResp)
-	require.NotEmpty(t, udpResp.Answer)
-	assert.Contains(t, udpResp.Answer[0].String(), "192.0.2.1", "UDP response should contain expected IP")
-
-	// Test TCP query
-	tcpClient := &dns.Client{Net: "tcp", Timeout: 2 * time.Second}
-	tcpResp, _, err := tcpClient.Exchange(q, addr)
-	require.NoError(t, err, "TCP query should succeed")
-	require.NotNil(t, tcpResp)
-	require.NotEmpty(t, tcpResp.Answer)
-	assert.Contains(t, tcpResp.Answer[0].String(), "192.0.2.1", "TCP response should contain expected IP")
-}

client/internal/dns/service_memory.go

@@ -1,7 +1,6 @@
 package dns
 
 import (
-	"errors"
 	"fmt"
 	"net/netip"
 	"sync"
@@ -11,7 +10,6 @@ import (
 	"github.com/miekg/dns"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/netbirdio/netbird/client/iface"
 	nbnet "github.com/netbirdio/netbird/client/net"
 )
 
@@ -20,8 +18,7 @@ type ServiceViaMemory struct {
 	dnsMux            *dns.ServeMux
 	runtimeIP         netip.Addr
 	runtimePort       int
-	tcpDNS            *tcpDNSServer
-	tcpHookSet        bool
+	udpFilterHookID   string
 	listenerIsRunning bool
 	listenerFlagLock  sync.Mutex
 }
@@ -31,13 +28,14 @@ func NewServiceViaMemory(wgIface WGIface) *ServiceViaMemory {
 	if err != nil {
 		log.Errorf("get last ip from network: %v", err)
 	}
-
-	return &ServiceViaMemory{
+	s := &ServiceViaMemory{
 		wgInterface: wgIface,
 		dnsMux:      dns.NewServeMux(),
+
 		runtimeIP:   lastIP,
 		runtimePort: DefaultPort,
 	}
+	return s
 }
 
 func (s *ServiceViaMemory) Listen() error {
@@ -48,8 +46,10 @@ func (s *ServiceViaMemory) Listen() error {
 		return nil
 	}
 
-	if err := s.filterDNSTraffic(); err != nil {
-		return fmt.Errorf("filter dns traffic: %w", err)
+	var err error
+	s.udpFilterHookID, err = s.filterDNSTraffic()
+	if err != nil {
+		return fmt.Errorf("filter dns traffice: %w", err)
 	}
 	s.listenerIsRunning = true
 
@@ -57,29 +57,19 @@ func (s *ServiceViaMemory) Listen() error {
 	return nil
 }
 
-func (s *ServiceViaMemory) Stop() error {
+func (s *ServiceViaMemory) Stop() {
 	s.listenerFlagLock.Lock()
 	defer s.listenerFlagLock.Unlock()
 
 	if !s.listenerIsRunning {
-		return nil
+		return
 	}
 
-	filter := s.wgInterface.GetFilter()
-	if filter != nil {
-		filter.SetUDPPacketHook(s.runtimeIP, uint16(s.runtimePort), nil)
-		if s.tcpHookSet {
-			filter.SetTCPPacketHook(s.runtimeIP, uint16(s.runtimePort), nil)
-		}
-	}
-
-	if s.tcpDNS != nil {
-		s.tcpDNS.Stop()
+	if err := s.wgInterface.GetFilter().RemovePacketHook(s.udpFilterHookID); err != nil {
+		log.Errorf("unable to remove DNS packet hook: %s", err)
 	}
 
 	s.listenerIsRunning = false
-
-	return nil
 }
 
 func (s *ServiceViaMemory) RegisterMux(pattern string, handler dns.Handler) {
@@ -98,18 +88,10 @@ func (s *ServiceViaMemory) RuntimeIP() netip.Addr {
 	return s.runtimeIP
 }
 
-func (s *ServiceViaMemory) filterDNSTraffic() error {
+func (s *ServiceViaMemory) filterDNSTraffic() (string, error) {
 	filter := s.wgInterface.GetFilter()
 	if filter == nil {
-		return errors.New("DNS filter not initialized")
-	}
-
-	// Create TCP DNS server lazily here since the device may not exist at construction time.
-	if s.tcpDNS == nil {
-		if dev := s.wgInterface.GetDevice(); dev != nil {
-			// MTU only affects TCP segment sizing; DNS messages are small so this has no practical impact.
-			s.tcpDNS = newTCPDNSServer(s.dnsMux, dev.Device, s.runtimeIP, uint16(s.runtimePort), iface.DefaultMTU)
-		}
+		return "", fmt.Errorf("can't set DNS filter, filter not initialized")
 	}
 
 	firstLayerDecoder := layers.LayerTypeIPv4
@@ -118,16 +100,12 @@ func (s *ServiceViaMemory) filterDNSTraffic() error {
 	}
 
 	hook := func(packetData []byte) bool {
+		// Decode the packet
 		packet := gopacket.NewPacket(packetData, firstLayerDecoder, gopacket.Default)
 
+		// Get the UDP layer
 		udpLayer := packet.Layer(layers.LayerTypeUDP)
-		if udpLayer == nil {
-			return true
-		}
-		udp, ok := udpLayer.(*layers.UDP)
-		if !ok {
-			return true
-		}
+		udp := udpLayer.(*layers.UDP)
 
 		msg := new(dns.Msg)
 		if err := msg.Unpack(udp.Payload); err != nil {
@@ -135,30 +113,13 @@ func (s *ServiceViaMemory) filterDNSTraffic() error {
 			return true
 		}
 
-		dev := s.wgInterface.GetDevice()
-		if dev == nil {
-			return true
-		}
-
-		writer := &responseWriter{
-			remote: remoteAddrFromPacket(packet),
+		writer := responseWriter{
 			packet: packet,
-			device: dev.Device,
+			device: s.wgInterface.GetDevice().Device,
 		}
-		go s.dnsMux.ServeDNS(writer, msg)
+		go s.dnsMux.ServeDNS(&writer, msg)
 		return true
 	}
 
-	filter.SetUDPPacketHook(s.runtimeIP, uint16(s.runtimePort), hook)
-
-	if s.tcpDNS != nil {
-		tcpHook := func(packetData []byte) bool {
-			s.tcpDNS.InjectPacket(packetData)
-			return true
-		}
-		filter.SetTCPPacketHook(s.runtimeIP, uint16(s.runtimePort), tcpHook)
-		s.tcpHookSet = true
-	}
-
-	return nil
+	return filter.AddUDPPacketHook(false, s.runtimeIP, uint16(s.runtimePort), hook), nil
 }

client/internal/dns/tcpstack.go

@@ -1,444 +0,0 @@
-package dns
-
-import (
-	"errors"
-	"fmt"
-	"io"
-	"net"
-	"net/netip"
-	"sync"
-	"sync/atomic"
-	"time"
-
-	"github.com/miekg/dns"
-	log "github.com/sirupsen/logrus"
-	"golang.zx2c4.com/wireguard/tun"
-	"gvisor.dev/gvisor/pkg/buffer"
-	"gvisor.dev/gvisor/pkg/tcpip"
-	"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
-	"gvisor.dev/gvisor/pkg/tcpip/header"
-	"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
-	"gvisor.dev/gvisor/pkg/tcpip/stack"
-	"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
-	"gvisor.dev/gvisor/pkg/waiter"
-)
-
-const (
-	dnsTCPReceiveWindow = 8192
-	dnsTCPMaxInFlight   = 16
-	dnsTCPIdleTimeout   = 30 * time.Second
-	dnsTCPReadTimeout   = 5 * time.Second
-)
-
-// tcpDNSServer is an on-demand TCP DNS server backed by a minimal gvisor stack.
-// It is started lazily when a truncated DNS response is detected and shuts down
-// after a period of inactivity to conserve resources.
-type tcpDNSServer struct {
-	mu     sync.Mutex
-	s      *stack.Stack
-	ep     *dnsEndpoint
-	mux    *dns.ServeMux
-	tunDev tun.Device
-	ip     netip.Addr
-	port   uint16
-	mtu    uint16
-
-	running bool
-	closed  bool
-	timerID uint64
-	timer   *time.Timer
-}
-
-func newTCPDNSServer(mux *dns.ServeMux, tunDev tun.Device, ip netip.Addr, port uint16, mtu uint16) *tcpDNSServer {
-	return &tcpDNSServer{
-		mux:    mux,
-		tunDev: tunDev,
-		ip:     ip,
-		port:   port,
-		mtu:    mtu,
-	}
-}
-
-// InjectPacket ensures the stack is running and delivers a raw IP packet into
-// the gvisor stack for TCP processing. Combining both operations under a single
-// lock prevents a race where the idle timer could stop the stack between
-// start and delivery.
-func (t *tcpDNSServer) InjectPacket(payload []byte) {
-	t.mu.Lock()
-	defer t.mu.Unlock()
-
-	if t.closed {
-		return
-	}
-
-	if !t.running {
-		if err := t.startLocked(); err != nil {
-			log.Errorf("failed to start TCP DNS stack: %v", err)
-			return
-		}
-		t.running = true
-		log.Debugf("TCP DNS stack started on %s:%d (triggered by %s)", t.ip, t.port, srcAddrFromPacket(payload))
-	}
-	t.resetTimerLocked()
-
-	ep := t.ep
-	if ep == nil || ep.dispatcher == nil {
-		return
-	}
-
-	pkt := stack.NewPacketBuffer(stack.PacketBufferOptions{
-		Payload: buffer.MakeWithData(payload),
-	})
-	// DeliverNetworkPacket takes ownership of the packet buffer; do not DecRef.
-	ep.dispatcher.DeliverNetworkPacket(ipv4.ProtocolNumber, pkt)
-}
-
-// Stop tears down the gvisor stack and releases resources permanently.
-// After Stop, InjectPacket becomes a no-op.
-func (t *tcpDNSServer) Stop() {
-	t.mu.Lock()
-	defer t.mu.Unlock()
-
-	t.stopLocked()
-	t.closed = true
-}
-
-func (t *tcpDNSServer) startLocked() error {
-	// TODO: add ipv6.NewProtocol when IPv6 overlay support lands.
-	s := stack.New(stack.Options{
-		NetworkProtocols:   []stack.NetworkProtocolFactory{ipv4.NewProtocol},
-		TransportProtocols: []stack.TransportProtocolFactory{tcp.NewProtocol},
-		HandleLocal:        false,
-	})
-
-	nicID := tcpip.NICID(1)
-	ep := &dnsEndpoint{
-		tunDev: t.tunDev,
-	}
-	ep.mtu.Store(uint32(t.mtu))
-
-	if err := s.CreateNIC(nicID, ep); err != nil {
-		s.Close()
-		s.Wait()
-		return fmt.Errorf("create NIC: %v", err)
-	}
-
-	protoAddr := tcpip.ProtocolAddress{
-		Protocol: ipv4.ProtocolNumber,
-		AddressWithPrefix: tcpip.AddressWithPrefix{
-			Address:   tcpip.AddrFromSlice(t.ip.AsSlice()),
-			PrefixLen: 32,
-		},
-	}
-	if err := s.AddProtocolAddress(nicID, protoAddr, stack.AddressProperties{}); err != nil {
-		s.Close()
-		s.Wait()
-		return fmt.Errorf("add protocol address: %s", err)
-	}
-
-	if err := s.SetPromiscuousMode(nicID, true); err != nil {
-		s.Close()
-		s.Wait()
-		return fmt.Errorf("set promiscuous mode: %s", err)
-	}
-	if err := s.SetSpoofing(nicID, true); err != nil {
-		s.Close()
-		s.Wait()
-		return fmt.Errorf("set spoofing: %s", err)
-	}
-
-	defaultSubnet, err := tcpip.NewSubnet(
-		tcpip.AddrFrom4([4]byte{0, 0, 0, 0}),
-		tcpip.MaskFromBytes([]byte{0, 0, 0, 0}),
-	)
-	if err != nil {
-		s.Close()
-		s.Wait()
-		return fmt.Errorf("create default subnet: %w", err)
-	}
-
-	s.SetRouteTable([]tcpip.Route{
-		{Destination: defaultSubnet, NIC: nicID},
-	})
-
-	tcpFwd := tcp.NewForwarder(s, dnsTCPReceiveWindow, dnsTCPMaxInFlight, func(r *tcp.ForwarderRequest) {
-		t.handleTCPDNS(r)
-	})
-	s.SetTransportProtocolHandler(tcp.ProtocolNumber, tcpFwd.HandlePacket)
-
-	t.s = s
-	t.ep = ep
-	return nil
-}
-
-func (t *tcpDNSServer) stopLocked() {
-	if !t.running {
-		return
-	}
-
-	if t.timer != nil {
-		t.timer.Stop()
-		t.timer = nil
-	}
-
-	if t.s != nil {
-		t.s.Close()
-		t.s.Wait()
-		t.s = nil
-	}
-	t.ep = nil
-	t.running = false
-
-	log.Debugf("TCP DNS stack stopped")
-}
-
-func (t *tcpDNSServer) resetTimerLocked() {
-	if t.timer != nil {
-		t.timer.Stop()
-	}
-	t.timerID++
-	id := t.timerID
-	t.timer = time.AfterFunc(dnsTCPIdleTimeout, func() {
-		t.mu.Lock()
-		defer t.mu.Unlock()
-
-		// Only stop if this timer is still the active one.
-		// A racing InjectPacket may have replaced it.
-		if t.timerID != id {
-			return
-		}
-		t.stopLocked()
-	})
-}
-
-func (t *tcpDNSServer) handleTCPDNS(r *tcp.ForwarderRequest) {
-	id := r.ID()
-
-	wq := waiter.Queue{}
-	ep, epErr := r.CreateEndpoint(&wq)
-	if epErr != nil {
-		log.Debugf("TCP DNS: failed to create endpoint: %v", epErr)
-		r.Complete(true)
-		return
-	}
-	r.Complete(false)
-
-	conn := gonet.NewTCPConn(&wq, ep)
-	defer func() {
-		if err := conn.Close(); err != nil {
-			log.Tracef("TCP DNS: close conn: %v", err)
-		}
-	}()
-
-	// Reset idle timer on activity
-	t.mu.Lock()
-	t.resetTimerLocked()
-	t.mu.Unlock()
-
-	localAddr := &net.TCPAddr{
-		IP:   id.LocalAddress.AsSlice(),
-		Port: int(id.LocalPort),
-	}
-	remoteAddr := &net.TCPAddr{
-		IP:   id.RemoteAddress.AsSlice(),
-		Port: int(id.RemotePort),
-	}
-
-	for {
-		if err := conn.SetReadDeadline(time.Now().Add(dnsTCPReadTimeout)); err != nil {
-			log.Debugf("TCP DNS: set deadline for %s: %v", remoteAddr, err)
-			break
-		}
-
-		msg, err := readTCPDNSMessage(conn)
-		if err != nil {
-			if !errors.Is(err, io.EOF) && !errors.Is(err, io.ErrUnexpectedEOF) {
-				log.Debugf("TCP DNS: read from %s: %v", remoteAddr, err)
-			}
-			break
-		}
-
-		writer := &tcpResponseWriter{
-			conn:       conn,
-			localAddr:  localAddr,
-			remoteAddr: remoteAddr,
-		}
-		t.mux.ServeDNS(writer, msg)
-	}
-}
-
-// dnsEndpoint implements stack.LinkEndpoint for writing packets back via the tun device.
-type dnsEndpoint struct {
-	dispatcher stack.NetworkDispatcher
-	tunDev     tun.Device
-	mtu        atomic.Uint32
-}
-
-func (e *dnsEndpoint) Attach(dispatcher stack.NetworkDispatcher)    { e.dispatcher = dispatcher }
-func (e *dnsEndpoint) IsAttached() bool                             { return e.dispatcher != nil }
-func (e *dnsEndpoint) MTU() uint32                                  { return e.mtu.Load() }
-func (e *dnsEndpoint) Capabilities() stack.LinkEndpointCapabilities { return stack.CapabilityNone }
-func (e *dnsEndpoint) MaxHeaderLength() uint16                      { return 0 }
-func (e *dnsEndpoint) LinkAddress() tcpip.LinkAddress               { return "" }
-func (e *dnsEndpoint) Wait()                                        { /* no async work */ }
-func (e *dnsEndpoint) ARPHardwareType() header.ARPHardwareType      { return header.ARPHardwareNone }
-func (e *dnsEndpoint) AddHeader(*stack.PacketBuffer)                { /* IP-level endpoint, no link header */ }
-func (e *dnsEndpoint) ParseHeader(*stack.PacketBuffer) bool         { return true }
-func (e *dnsEndpoint) Close()                                       { /* lifecycle managed by tcpDNSServer */ }
-func (e *dnsEndpoint) SetLinkAddress(tcpip.LinkAddress)             { /* no link address for tun */ }
-func (e *dnsEndpoint) SetMTU(mtu uint32)                            { e.mtu.Store(mtu) }
-func (e *dnsEndpoint) SetOnCloseAction(func())                      { /* not needed */ }
-
-const tunPacketOffset = 40
-
-func (e *dnsEndpoint) WritePackets(pkts stack.PacketBufferList) (int, tcpip.Error) {
-	var written int
-	for _, pkt := range pkts.AsSlice() {
-		data := stack.PayloadSince(pkt.NetworkHeader())
-		if data == nil {
-			continue
-		}
-
-		raw := data.AsSlice()
-		buf := make([]byte, tunPacketOffset, tunPacketOffset+len(raw))
-		buf = append(buf, raw...)
-		data.Release()
-
-		if _, err := e.tunDev.Write([][]byte{buf}, tunPacketOffset); err != nil {
-			log.Tracef("TCP DNS endpoint: failed to write packet: %v", err)
-			continue
-		}
-		written++
-	}
-	return written, nil
-}
-
-// tcpResponseWriter implements dns.ResponseWriter for TCP DNS connections.
-type tcpResponseWriter struct {
-	conn       *gonet.TCPConn
-	localAddr  net.Addr
-	remoteAddr net.Addr
-}
-
-func (w *tcpResponseWriter) LocalAddr() net.Addr {
-	return w.localAddr
-}
-
-func (w *tcpResponseWriter) RemoteAddr() net.Addr {
-	return w.remoteAddr
-}
-
-func (w *tcpResponseWriter) WriteMsg(msg *dns.Msg) error {
-	data, err := msg.Pack()
-	if err != nil {
-		return fmt.Errorf("pack: %w", err)
-	}
-
-	// DNS TCP: 2-byte length prefix + message
-	buf := make([]byte, 2+len(data))
-	buf[0] = byte(len(data) >> 8)
-	buf[1] = byte(len(data))
-	copy(buf[2:], data)
-
-	if _, err = w.conn.Write(buf); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (w *tcpResponseWriter) Write(data []byte) (int, error) {
-	buf := make([]byte, 2+len(data))
-	buf[0] = byte(len(data) >> 8)
-	buf[1] = byte(len(data))
-	copy(buf[2:], data)
-	if _, err := w.conn.Write(buf); err != nil {
-		return 0, err
-	}
-	return len(data), nil
-}
-
-func (w *tcpResponseWriter) Close() error {
-	return w.conn.Close()
-}
-
-func (w *tcpResponseWriter) TsigStatus() error   { return nil }
-func (w *tcpResponseWriter) TsigTimersOnly(bool) { /* TSIG not supported */ }
-func (w *tcpResponseWriter) Hijack()             { /* not supported */ }
-
-// readTCPDNSMessage reads a single DNS message from a TCP connection (length-prefixed).
-func readTCPDNSMessage(conn *gonet.TCPConn) (*dns.Msg, error) {
-	// DNS over TCP uses a 2-byte length prefix
-	lenBuf := make([]byte, 2)
-	if _, err := io.ReadFull(conn, lenBuf); err != nil {
-		return nil, fmt.Errorf("read length: %w", err)
-	}
-
-	msgLen := int(lenBuf[0])<<8 | int(lenBuf[1])
-	if msgLen == 0 || msgLen > 65535 {
-		return nil, fmt.Errorf("invalid message length: %d", msgLen)
-	}
-
-	msgBuf := make([]byte, msgLen)
-	if _, err := io.ReadFull(conn, msgBuf); err != nil {
-		return nil, fmt.Errorf("read message: %w", err)
-	}
-
-	msg := new(dns.Msg)
-	if err := msg.Unpack(msgBuf); err != nil {
-		return nil, fmt.Errorf("unpack: %w", err)
-	}
-	return msg, nil
-}
-
-// srcAddrFromPacket extracts the source IP:port from a raw IP+TCP packet for logging.
-// Supports both IPv4 and IPv6.
-func srcAddrFromPacket(pkt []byte) netip.AddrPort {
-	if len(pkt) == 0 {
-		return netip.AddrPort{}
-	}
-
-	srcIP, transportOffset := srcIPFromPacket(pkt)
-	if !srcIP.IsValid() || len(pkt) < transportOffset+2 {
-		return netip.AddrPort{}
-	}
-
-	srcPort := uint16(pkt[transportOffset])<<8 | uint16(pkt[transportOffset+1])
-	return netip.AddrPortFrom(srcIP.Unmap(), srcPort)
-}
-
-func srcIPFromPacket(pkt []byte) (netip.Addr, int) {
-	switch header.IPVersion(pkt) {
-	case 4:
-		return srcIPv4(pkt)
-	case 6:
-		return srcIPv6(pkt)
-	default:
-		return netip.Addr{}, 0
-	}
-}
-
-func srcIPv4(pkt []byte) (netip.Addr, int) {
-	if len(pkt) < header.IPv4MinimumSize {
-		return netip.Addr{}, 0
-	}
-	hdr := header.IPv4(pkt)
-	src := hdr.SourceAddress()
-	ip, ok := netip.AddrFromSlice(src.AsSlice())
-	if !ok {
-		return netip.Addr{}, 0
-	}
-	return ip, int(hdr.HeaderLength())
-}
-
-func srcIPv6(pkt []byte) (netip.Addr, int) {
-	if len(pkt) < header.IPv6MinimumSize {
-		return netip.Addr{}, 0
-	}
-	hdr := header.IPv6(pkt)
-	src := hdr.SourceAddress()
-	ip, ok := netip.AddrFromSlice(src.AsSlice())
-	if !ok {
-		return netip.Addr{}, 0
-	}
-	return ip, header.IPv6MinimumSize
-}

client/internal/dns/upstream.go

@@ -41,61 +41,10 @@ const (
 
 	reactivatePeriod = 30 * time.Second
 	probeTimeout     = 2 * time.Second
-
-	// ipv6HeaderSize + udpHeaderSize, used to derive the maximum DNS UDP
-	// payload from the tunnel MTU.
-	ipUDPHeaderSize = 60 + 8
 )
 
 const testRecord = "com."
 
-const (
-	protoUDP = "udp"
-	protoTCP = "tcp"
-)
-
-type dnsProtocolKey struct{}
-
-// contextWithDNSProtocol stores the inbound DNS protocol ("udp" or "tcp") in context.
-func contextWithDNSProtocol(ctx context.Context, network string) context.Context {
-	return context.WithValue(ctx, dnsProtocolKey{}, network)
-}
-
-// dnsProtocolFromContext retrieves the inbound DNS protocol from context.
-func dnsProtocolFromContext(ctx context.Context) string {
-	if ctx == nil {
-		return ""
-	}
-	if v, ok := ctx.Value(dnsProtocolKey{}).(string); ok {
-		return v
-	}
-	return ""
-}
-
-type upstreamProtocolKey struct{}
-
-// upstreamProtocolResult holds the protocol used for the upstream exchange.
-// Stored as a pointer in context so the exchange function can set it.
-type upstreamProtocolResult struct {
-	protocol string
-}
-
-// contextWithupstreamProtocolResult stores a mutable result holder in the context.
-func contextWithupstreamProtocolResult(ctx context.Context) (context.Context, *upstreamProtocolResult) {
-	r := &upstreamProtocolResult{}
-	return context.WithValue(ctx, upstreamProtocolKey{}, r), r
-}
-
-// setUpstreamProtocol sets the upstream protocol on the result holder in context, if present.
-func setUpstreamProtocol(ctx context.Context, protocol string) {
-	if ctx == nil {
-		return
-	}
-	if r, ok := ctx.Value(upstreamProtocolKey{}).(*upstreamProtocolResult); ok && r != nil {
-		r.protocol = protocol
-	}
-}
-
 type upstreamClient interface {
 	exchange(ctx context.Context, upstream string, r *dns.Msg) (*dns.Msg, time.Duration, error)
 }
@@ -116,12 +65,10 @@ type upstreamResolverBase struct {
 	mutex            sync.Mutex
 	reactivatePeriod time.Duration
 	upstreamTimeout  time.Duration
-	wg               sync.WaitGroup
 
 	deactivate     func(error)
 	reactivate     func()
 	statusRecorder *peer.Status
-	routeMatch     func(netip.Addr) bool
 }
 
 type upstreamFailure struct {
@@ -168,11 +115,6 @@ func (u *upstreamResolverBase) MatchSubdomains() bool {
 func (u *upstreamResolverBase) Stop() {
 	log.Debugf("stopping serving DNS for upstreams %s", u.upstreamServers)
 	u.cancel()
-
-	u.mutex.Lock()
-	u.wg.Wait()
-	u.mutex.Unlock()
-
 }
 
 // ServeDNS handles a DNS request
@@ -189,16 +131,7 @@ func (u *upstreamResolverBase) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 		return
 	}
 
-	// Propagate inbound protocol so upstream exchange can use TCP directly
-	// when the request came in over TCP.
-	ctx := u.ctx
-	if addr := w.RemoteAddr(); addr != nil {
-		network := addr.Network()
-		ctx = contextWithDNSProtocol(ctx, network)
-		resutil.SetMeta(w, "protocol", network)
-	}
-
-	ok, failures := u.tryUpstreamServers(ctx, w, r, logger)
+	ok, failures := u.tryUpstreamServers(w, r, logger)
 	if len(failures) > 0 {
 		u.logUpstreamFailures(r.Question[0].Name, failures, ok, logger)
 	}
@@ -213,7 +146,7 @@ func (u *upstreamResolverBase) prepareRequest(r *dns.Msg) {
 	}
 }
 
-func (u *upstreamResolverBase) tryUpstreamServers(ctx context.Context, w dns.ResponseWriter, r *dns.Msg, logger *log.Entry) (bool, []upstreamFailure) {
+func (u *upstreamResolverBase) tryUpstreamServers(w dns.ResponseWriter, r *dns.Msg, logger *log.Entry) (bool, []upstreamFailure) {
 	timeout := u.upstreamTimeout
 	if len(u.upstreamServers) > 1 {
 		maxTotal := 5 * time.Second
@@ -228,7 +161,7 @@ func (u *upstreamResolverBase) tryUpstreamServers(ctx context.Context, w dns.Res
 
 	var failures []upstreamFailure
 	for _, upstream := range u.upstreamServers {
-		if failure := u.queryUpstream(ctx, w, r, upstream, timeout, logger); failure != nil {
+		if failure := u.queryUpstream(w, r, upstream, timeout, logger); failure != nil {
 			failures = append(failures, *failure)
 		} else {
 			return true, failures
@@ -238,17 +171,15 @@ func (u *upstreamResolverBase) tryUpstreamServers(ctx context.Context, w dns.Res
 }
 
 // queryUpstream queries a single upstream server. Returns nil on success, or failure info to try next upstream.
-func (u *upstreamResolverBase) queryUpstream(parentCtx context.Context, w dns.ResponseWriter, r *dns.Msg, upstream netip.AddrPort, timeout time.Duration, logger *log.Entry) *upstreamFailure {
+func (u *upstreamResolverBase) queryUpstream(w dns.ResponseWriter, r *dns.Msg, upstream netip.AddrPort, timeout time.Duration, logger *log.Entry) *upstreamFailure {
 	var rm *dns.Msg
 	var t time.Duration
 	var err error
 
 	var startTime time.Time
-	var upstreamProto *upstreamProtocolResult
 	func() {
-		ctx, cancel := context.WithTimeout(parentCtx, timeout)
+		ctx, cancel := context.WithTimeout(u.ctx, timeout)
 		defer cancel()
-		ctx, upstreamProto = contextWithupstreamProtocolResult(ctx)
 		startTime = time.Now()
 		rm, t, err = u.upstreamClient.exchange(ctx, upstream.String(), r)
 	}()
@@ -265,7 +196,7 @@ func (u *upstreamResolverBase) queryUpstream(parentCtx context.Context, w dns.Re
 		return &upstreamFailure{upstream: upstream, reason: dns.RcodeToString[rm.Rcode]}
 	}
 
-	u.writeSuccessResponse(w, rm, upstream, r.Question[0].Name, t, upstreamProto, logger)
+	u.writeSuccessResponse(w, rm, upstream, r.Question[0].Name, t, logger)
 	return nil
 }
 
@@ -282,13 +213,10 @@ func (u *upstreamResolverBase) handleUpstreamError(err error, upstream netip.Add
 	return &upstreamFailure{upstream: upstream, reason: reason}
 }
 
-func (u *upstreamResolverBase) writeSuccessResponse(w dns.ResponseWriter, rm *dns.Msg, upstream netip.AddrPort, domain string, t time.Duration, upstreamProto *upstreamProtocolResult, logger *log.Entry) bool {
+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())
-	if upstreamProto != nil && upstreamProto.protocol != "" {
-		resutil.SetMeta(w, "upstream_protocol", upstreamProto.protocol)
-	}
 
 	// Clear Zero bit from external responses to prevent upstream servers from
 	// manipulating our internal fallthrough signaling mechanism
@@ -332,10 +260,16 @@ func formatFailures(failures []upstreamFailure) string {
 
 // ProbeAvailability tests all upstream servers simultaneously and
 // disables the resolver if none work
-func (u *upstreamResolverBase) ProbeAvailability(ctx context.Context) {
+func (u *upstreamResolverBase) ProbeAvailability() {
 	u.mutex.Lock()
 	defer u.mutex.Unlock()
 
+	select {
+	case <-u.ctx.Done():
+		return
+	default:
+	}
+
 	// avoid probe if upstreams could resolve at least one query
 	if u.successCount.Load() > 0 {
 		return
@@ -345,39 +279,31 @@ func (u *upstreamResolverBase) ProbeAvailability(ctx context.Context) {
 	var mu sync.Mutex
 	var wg sync.WaitGroup
 
-	var errs *multierror.Error
+	var errors *multierror.Error
 	for _, upstream := range u.upstreamServers {
+		upstream := upstream
+
 		wg.Add(1)
-		go func(upstream netip.AddrPort) {
+		go func() {
 			defer wg.Done()
-			err := u.testNameserver(u.ctx, ctx, upstream, 500*time.Millisecond)
+			err := u.testNameserver(upstream, 500*time.Millisecond)
 			if err != nil {
-				mu.Lock()
-				errs = multierror.Append(errs, err)
-				mu.Unlock()
+				errors = multierror.Append(errors, err)
 				log.Warnf("probing upstream nameserver %s: %s", upstream, err)
 				return
 			}
 
 			mu.Lock()
+			defer mu.Unlock()
 			success = true
-			mu.Unlock()
-		}(upstream)
+		}()
 	}
 
 	wg.Wait()
 
-	select {
-	case <-ctx.Done():
-		return
-	case <-u.ctx.Done():
-		return
-	default:
-	}
-
 	// didn't find a working upstream server, let's disable and try later
 	if !success {
-		u.disable(errs.ErrorOrNil())
+		u.disable(errors.ErrorOrNil())
 
 		if u.statusRecorder == nil {
 			return
@@ -413,7 +339,7 @@ func (u *upstreamResolverBase) waitUntilResponse() {
 		}
 
 		for _, upstream := range u.upstreamServers {
-			if err := u.testNameserver(u.ctx, nil, upstream, probeTimeout); err != nil {
+			if err := u.testNameserver(upstream, probeTimeout); err != nil {
 				log.Tracef("upstream check for %s: %s", upstream, err)
 			} else {
 				// at least one upstream server is available, stop probing
@@ -425,22 +351,16 @@ func (u *upstreamResolverBase) waitUntilResponse() {
 		return fmt.Errorf("upstream check call error")
 	}
 
-	err := backoff.Retry(operation, backoff.WithContext(exponentialBackOff, u.ctx))
+	err := backoff.Retry(operation, exponentialBackOff)
 	if err != nil {
-		if errors.Is(err, context.Canceled) {
-			log.Debugf("upstream retry loop exited for upstreams %s", u.upstreamServersString())
-		} else {
-			log.Warnf("upstream retry loop exited for upstreams %s: %v", u.upstreamServersString(), err)
-		}
+		log.Warn(err)
 		return
 	}
 
 	log.Infof("upstreams %s are responsive again. Adding them back to system", u.upstreamServersString())
 	u.successCount.Add(1)
 	u.reactivate()
-	u.mutex.Lock()
 	u.disabled = false
-	u.mutex.Unlock()
 }
 
 // isTimeout returns true if the given error is a network timeout error.
@@ -463,11 +383,7 @@ func (u *upstreamResolverBase) disable(err error) {
 	u.successCount.Store(0)
 	u.deactivate(err)
 	u.disabled = true
-	u.wg.Add(1)
-	go func() {
-		defer u.wg.Done()
-		u.waitUntilResponse()
-	}()
+	go u.waitUntilResponse()
 }
 
 func (u *upstreamResolverBase) upstreamServersString() string {
@@ -478,57 +394,23 @@ func (u *upstreamResolverBase) upstreamServersString() string {
 	return strings.Join(servers, ", ")
 }
 
-func (u *upstreamResolverBase) testNameserver(baseCtx context.Context, externalCtx context.Context, server netip.AddrPort, timeout time.Duration) error {
-	mergedCtx, cancel := context.WithTimeout(baseCtx, timeout)
+func (u *upstreamResolverBase) testNameserver(server netip.AddrPort, timeout time.Duration) error {
+	ctx, cancel := context.WithTimeout(u.ctx, timeout)
 	defer cancel()
 
-	if externalCtx != nil {
-		stop2 := context.AfterFunc(externalCtx, cancel)
-		defer stop2()
-	}
-
 	r := new(dns.Msg).SetQuestion(testRecord, dns.TypeSOA)
 
-	_, _, err := u.upstreamClient.exchange(mergedCtx, server.String(), r)
+	_, _, err := u.upstreamClient.exchange(ctx, server.String(), r)
 	return err
 }
 
-// clientUDPMaxSize returns the maximum UDP response size the client accepts.
-func clientUDPMaxSize(r *dns.Msg) int {
-	if opt := r.IsEdns0(); opt != nil {
-		return int(opt.UDPSize())
-	}
-	return dns.MinMsgSize
-}
-
 // ExchangeWithFallback exchanges a DNS message with the upstream server.
 // It first tries to use UDP, and if it is truncated, it falls back to TCP.
-// If the inbound request came over TCP (via context), it skips the UDP attempt.
 // If the passed context is nil, this will use Exchange instead of ExchangeContext.
 func ExchangeWithFallback(ctx context.Context, client *dns.Client, r *dns.Msg, upstream string) (*dns.Msg, time.Duration, error) {
-	// If the request came in over TCP, go straight to TCP upstream.
-	if dnsProtocolFromContext(ctx) == protoTCP {
-		tcpClient := *client
-		tcpClient.Net = protoTCP
-		rm, t, err := tcpClient.ExchangeContext(ctx, r, upstream)
-		if err != nil {
-			return nil, t, fmt.Errorf("with tcp: %w", err)
-		}
-		setUpstreamProtocol(ctx, protoTCP)
-		return rm, t, nil
-	}
-
-	clientMaxSize := clientUDPMaxSize(r)
-
-	// Cap EDNS0 to our tunnel MTU so the upstream doesn't send a
-	// response larger than our read buffer.
-	// Note: the query could be sent out on an interface that is not ours,
-	// but higher MTU settings could break truncation handling.
-	maxUDPPayload := uint16(currentMTU - ipUDPHeaderSize)
-	client.UDPSize = maxUDPPayload
-	if opt := r.IsEdns0(); opt != nil && opt.UDPSize() > maxUDPPayload {
-		opt.SetUDPSize(maxUDPPayload)
-	}
+	// MTU - ip + udp headers
+	// Note: this could be sent out on an interface that is not ours, but higher MTU settings could break truncation handling.
+	client.UDPSize = uint16(currentMTU - (60 + 8))
 
 	var (
 		rm  *dns.Msg
@@ -547,32 +429,25 @@ func ExchangeWithFallback(ctx context.Context, client *dns.Client, r *dns.Msg, u
 	}
 
 	if rm == nil || !rm.MsgHdr.Truncated {
-		setUpstreamProtocol(ctx, protoUDP)
 		return rm, t, nil
 	}
 
-	// TODO: if the upstream's truncated UDP response already contains more
-	// data than the client's buffer, we could truncate locally and skip
-	// the TCP retry.
+	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)
 
-	tcpClient := *client
-	tcpClient.Net = protoTCP
+	client.Net = "tcp"
 
 	if ctx == nil {
-		rm, t, err = tcpClient.Exchange(r, upstream)
+		rm, t, err = client.Exchange(r, upstream)
 	} else {
-		rm, t, err = tcpClient.ExchangeContext(ctx, r, upstream)
+		rm, t, err = client.ExchangeContext(ctx, r, upstream)
 	}
 
 	if err != nil {
 		return nil, t, fmt.Errorf("with tcp: %w", err)
 	}
 
-	setUpstreamProtocol(ctx, protoTCP)
-
-	if rm.Len() > clientMaxSize {
-		rm.Truncate(clientMaxSize)
-	}
+	// TODO: once TCP is implemented, rm.Truncate() if the request came in over UDP
 
 	return rm, t, nil
 }
@@ -580,46 +455,18 @@ func ExchangeWithFallback(ctx context.Context, client *dns.Client, r *dns.Msg, u
 // 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) {
-	// If request came in over TCP, go straight to TCP upstream
-	if dnsProtocolFromContext(ctx) == protoTCP {
-		rm, err := netstackExchange(ctx, nsNet, r, upstream, protoTCP)
-		if err != nil {
-			return nil, err
-		}
-		setUpstreamProtocol(ctx, protoTCP)
-		return rm, nil
-	}
-
-	clientMaxSize := clientUDPMaxSize(r)
-
-	// Cap EDNS0 to our tunnel MTU so the upstream doesn't send a
-	// response larger than what we can read over UDP.
-	maxUDPPayload := uint16(currentMTU - ipUDPHeaderSize)
-	if opt := r.IsEdns0(); opt != nil && opt.UDPSize() > maxUDPPayload {
-		opt.SetUDPSize(maxUDPPayload)
-	}
-
-	reply, err := netstackExchange(ctx, nsNet, r, upstream, protoUDP)
+	reply, err := netstackExchange(ctx, nsNet, r, upstream, "udp")
 	if err != nil {
 		return nil, err
 	}
 
+	// If response is truncated, retry with TCP
 	if reply != nil && reply.MsgHdr.Truncated {
-		rm, err := netstackExchange(ctx, nsNet, r, upstream, protoTCP)
-		if err != nil {
-			return nil, err
-		}
-
-		setUpstreamProtocol(ctx, protoTCP)
-		if rm.Len() > clientMaxSize {
-			rm.Truncate(clientMaxSize)
-		}
-
-		return rm, nil
+		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")
 	}
 
-	setUpstreamProtocol(ctx, protoUDP)
-
 	return reply, nil
 }
 
@@ -640,7 +487,7 @@ func netstackExchange(ctx context.Context, nsNet *netstack.Net, r *dns.Msg, upst
 		}
 	}
 
-	dnsConn := &dns.Conn{Conn: conn, UDPSize: uint16(currentMTU - ipUDPHeaderSize)}
+	dnsConn := &dns.Conn{Conn: conn}
 
 	if err := dnsConn.WriteMsg(r); err != nil {
 		return nil, fmt.Errorf("write %s message: %w", network, err)

client/internal/dns/upstream_android.go

@@ -51,7 +51,7 @@ func (u *upstreamResolver) exchangeWithinVPN(ctx context.Context, upstream strin
 	upstreamExchangeClient := &dns.Client{
 		Timeout: ClientTimeout,
 	}
-	return ExchangeWithFallback(ctx, upstreamExchangeClient, r, upstream)
+	return upstreamExchangeClient.ExchangeContext(ctx, r, upstream)
 }
 
 // exchangeWithoutVPN protect the UDP socket by Android SDK to avoid to goes through the VPN
@@ -76,7 +76,7 @@ func (u *upstreamResolver) exchangeWithoutVPN(ctx context.Context, upstream stri
 		Timeout: timeout,
 	}
 
-	return ExchangeWithFallback(ctx, upstreamExchangeClient, r, upstream)
+	return upstreamExchangeClient.ExchangeContext(ctx, r, upstream)
 }
 
 func (u *upstreamResolver) isLocalResolver(upstream string) bool {

client/internal/dns/upstream_ios.go

@@ -65,13 +65,11 @@ func (u *upstreamResolverIOS) exchange(ctx context.Context, upstream string, r *
 	} else {
 		upstreamIP = upstreamIP.Unmap()
 	}
-	needsPrivate := u.lNet.Contains(upstreamIP) ||
-		(u.routeMatch != nil && u.routeMatch(upstreamIP))
-	if needsPrivate {
-		log.Debugf("using private client to query %s via upstream %s", r.Question[0].Name, upstream)
+	if u.lNet.Contains(upstreamIP) || upstreamIP.IsPrivate() {
+		log.Debugf("using private client to query upstream: %s", upstream)
 		client, err = GetClientPrivate(u.lIP, u.interfaceName, timeout)
 		if err != nil {
-			return nil, 0, fmt.Errorf("create private client: %s", err)
+			return nil, 0, fmt.Errorf("error while creating private client: %s", err)
 		}
 	}
 

client/internal/dns/upstream_test.go

@@ -188,7 +188,7 @@ func TestUpstreamResolver_DeactivationReactivation(t *testing.T) {
 		reactivated = true
 	}
 
-	resolver.ProbeAvailability(context.TODO())
+	resolver.ProbeAvailability()
 
 	if !failed {
 		t.Errorf("expected that resolving was deactivated")
@@ -475,298 +475,3 @@ func TestFormatFailures(t *testing.T) {
 		})
 	}
 }
-
-func TestDNSProtocolContext(t *testing.T) {
-	t.Run("roundtrip udp", func(t *testing.T) {
-		ctx := contextWithDNSProtocol(context.Background(), protoUDP)
-		assert.Equal(t, protoUDP, dnsProtocolFromContext(ctx))
-	})
-
-	t.Run("roundtrip tcp", func(t *testing.T) {
-		ctx := contextWithDNSProtocol(context.Background(), protoTCP)
-		assert.Equal(t, protoTCP, dnsProtocolFromContext(ctx))
-	})
-
-	t.Run("missing returns empty", func(t *testing.T) {
-		assert.Equal(t, "", dnsProtocolFromContext(context.Background()))
-	})
-}
-
-func TestExchangeWithFallback_TCPContext(t *testing.T) {
-	// Start a local DNS server that responds on TCP only
-	tcpHandler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		m := new(dns.Msg)
-		m.SetReply(r)
-		m.Answer = append(m.Answer, &dns.A{
-			Hdr: dns.RR_Header{Name: r.Question[0].Name, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 60},
-			A:   net.ParseIP("10.0.0.1"),
-		})
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	tcpServer := &dns.Server{
-		Addr:    "127.0.0.1:0",
-		Net:     "tcp",
-		Handler: tcpHandler,
-	}
-
-	tcpLn, err := net.Listen("tcp", "127.0.0.1:0")
-	require.NoError(t, err)
-	tcpServer.Listener = tcpLn
-
-	go func() {
-		if err := tcpServer.ActivateAndServe(); err != nil {
-			t.Logf("tcp server: %v", err)
-		}
-	}()
-	defer func() {
-		_ = tcpServer.Shutdown()
-	}()
-
-	upstream := tcpLn.Addr().String()
-
-	// With TCP context, should connect directly via TCP without trying UDP
-	ctx := contextWithDNSProtocol(context.Background(), protoTCP)
-	client := &dns.Client{Timeout: 2 * time.Second}
-	r := new(dns.Msg).SetQuestion("example.com.", dns.TypeA)
-
-	rm, _, err := ExchangeWithFallback(ctx, client, r, upstream)
-	require.NoError(t, err)
-	require.NotNil(t, rm)
-	require.NotEmpty(t, rm.Answer)
-	assert.Contains(t, rm.Answer[0].String(), "10.0.0.1")
-}
-
-func TestExchangeWithFallback_UDPFallbackToTCP(t *testing.T) {
-	// UDP handler returns a truncated response to trigger TCP retry.
-	udpHandler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		m := new(dns.Msg)
-		m.SetReply(r)
-		m.Truncated = true
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	// TCP handler returns the full answer.
-	tcpHandler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		m := new(dns.Msg)
-		m.SetReply(r)
-		m.Answer = append(m.Answer, &dns.A{
-			Hdr: dns.RR_Header{Name: r.Question[0].Name, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 60},
-			A:   net.ParseIP("10.0.0.3"),
-		})
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	udpPC, err := net.ListenPacket("udp", "127.0.0.1:0")
-	require.NoError(t, err)
-	addr := udpPC.LocalAddr().String()
-
-	udpServer := &dns.Server{
-		PacketConn: udpPC,
-		Net:        "udp",
-		Handler:    udpHandler,
-	}
-
-	tcpLn, err := net.Listen("tcp", addr)
-	require.NoError(t, err)
-
-	tcpServer := &dns.Server{
-		Listener: tcpLn,
-		Net:      "tcp",
-		Handler:  tcpHandler,
-	}
-
-	go func() {
-		if err := udpServer.ActivateAndServe(); err != nil {
-			t.Logf("udp server: %v", err)
-		}
-	}()
-	go func() {
-		if err := tcpServer.ActivateAndServe(); err != nil {
-			t.Logf("tcp server: %v", err)
-		}
-	}()
-	defer func() {
-		_ = udpServer.Shutdown()
-		_ = tcpServer.Shutdown()
-	}()
-
-	ctx := context.Background()
-	client := &dns.Client{Timeout: 2 * time.Second}
-	r := new(dns.Msg).SetQuestion("example.com.", dns.TypeA)
-
-	rm, _, err := ExchangeWithFallback(ctx, client, r, addr)
-	require.NoError(t, err, "should fall back to TCP after truncated UDP response")
-	require.NotNil(t, rm)
-	require.NotEmpty(t, rm.Answer, "TCP response should contain the full answer")
-	assert.Contains(t, rm.Answer[0].String(), "10.0.0.3")
-	assert.False(t, rm.Truncated, "TCP response should not be truncated")
-}
-
-func TestExchangeWithFallback_TCPContextSkipsUDP(t *testing.T) {
-	// Start only a TCP server (no UDP). With TCP context it should succeed.
-	tcpHandler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		m := new(dns.Msg)
-		m.SetReply(r)
-		m.Answer = append(m.Answer, &dns.A{
-			Hdr: dns.RR_Header{Name: r.Question[0].Name, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 60},
-			A:   net.ParseIP("10.0.0.2"),
-		})
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	tcpLn, err := net.Listen("tcp", "127.0.0.1:0")
-	require.NoError(t, err)
-
-	tcpServer := &dns.Server{
-		Listener: tcpLn,
-		Net:      "tcp",
-		Handler:  tcpHandler,
-	}
-
-	go func() {
-		if err := tcpServer.ActivateAndServe(); err != nil {
-			t.Logf("tcp server: %v", err)
-		}
-	}()
-	defer func() {
-		_ = tcpServer.Shutdown()
-	}()
-
-	upstream := tcpLn.Addr().String()
-
-	// TCP context: should skip UDP entirely and go directly to TCP
-	ctx := contextWithDNSProtocol(context.Background(), protoTCP)
-	client := &dns.Client{Timeout: 2 * time.Second}
-	r := new(dns.Msg).SetQuestion("example.com.", dns.TypeA)
-
-	rm, _, err := ExchangeWithFallback(ctx, client, r, upstream)
-	require.NoError(t, err)
-	require.NotNil(t, rm)
-	require.NotEmpty(t, rm.Answer)
-	assert.Contains(t, rm.Answer[0].String(), "10.0.0.2")
-
-	// Without TCP context, trying to reach a TCP-only server via UDP should fail
-	ctx2 := context.Background()
-	client2 := &dns.Client{Timeout: 500 * time.Millisecond}
-	_, _, err = ExchangeWithFallback(ctx2, client2, r, upstream)
-	assert.Error(t, err, "should fail when no UDP server and no TCP context")
-}
-
-func TestExchangeWithFallback_EDNS0Capped(t *testing.T) {
-	// Verify that a client EDNS0 larger than our MTU-derived limit gets
-	// capped in the outgoing request so the upstream doesn't send a
-	// response larger than our read buffer.
-	var receivedUDPSize uint16
-	udpHandler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		if opt := r.IsEdns0(); opt != nil {
-			receivedUDPSize = opt.UDPSize()
-		}
-		m := new(dns.Msg)
-		m.SetReply(r)
-		m.Answer = append(m.Answer, &dns.A{
-			Hdr: dns.RR_Header{Name: r.Question[0].Name, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 60},
-			A:   net.ParseIP("10.0.0.1"),
-		})
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	udpPC, err := net.ListenPacket("udp", "127.0.0.1:0")
-	require.NoError(t, err)
-	addr := udpPC.LocalAddr().String()
-
-	udpServer := &dns.Server{PacketConn: udpPC, Net: "udp", Handler: udpHandler}
-	go func() { _ = udpServer.ActivateAndServe() }()
-	t.Cleanup(func() { _ = udpServer.Shutdown() })
-
-	ctx := context.Background()
-	client := &dns.Client{Timeout: 2 * time.Second}
-	r := new(dns.Msg).SetQuestion("example.com.", dns.TypeA)
-	r.SetEdns0(4096, false)
-
-	rm, _, err := ExchangeWithFallback(ctx, client, r, addr)
-	require.NoError(t, err)
-	require.NotNil(t, rm)
-
-	expectedMax := uint16(currentMTU - ipUDPHeaderSize)
-	assert.Equal(t, expectedMax, receivedUDPSize,
-		"upstream should see capped EDNS0, not the client's 4096")
-}
-
-func TestExchangeWithFallback_TCPTruncatesToClientSize(t *testing.T) {
-	// When the client advertises a large EDNS0 (4096) and the upstream
-	// truncates, the TCP response should NOT be truncated since the full
-	// answer fits within the client's original buffer.
-	udpHandler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		m := new(dns.Msg)
-		m.SetReply(r)
-		m.Truncated = true
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	tcpHandler := dns.HandlerFunc(func(w dns.ResponseWriter, r *dns.Msg) {
-		m := new(dns.Msg)
-		m.SetReply(r)
-		// Add enough records to exceed MTU but fit within 4096
-		for i := range 20 {
-			m.Answer = append(m.Answer, &dns.TXT{
-				Hdr: dns.RR_Header{Name: r.Question[0].Name, Rrtype: dns.TypeTXT, Class: dns.ClassINET, Ttl: 60},
-				Txt: []string{fmt.Sprintf("record-%d-padding-data-to-make-it-longer", i)},
-			})
-		}
-		if err := w.WriteMsg(m); err != nil {
-			t.Logf("write msg: %v", err)
-		}
-	})
-
-	udpPC, err := net.ListenPacket("udp", "127.0.0.1:0")
-	require.NoError(t, err)
-	addr := udpPC.LocalAddr().String()
-
-	udpServer := &dns.Server{PacketConn: udpPC, Net: "udp", Handler: udpHandler}
-	tcpLn, err := net.Listen("tcp", addr)
-	require.NoError(t, err)
-	tcpServer := &dns.Server{Listener: tcpLn, Net: "tcp", Handler: tcpHandler}
-
-	go func() { _ = udpServer.ActivateAndServe() }()
-	go func() { _ = tcpServer.ActivateAndServe() }()
-	t.Cleanup(func() {
-		_ = udpServer.Shutdown()
-		_ = tcpServer.Shutdown()
-	})
-
-	ctx := context.Background()
-	client := &dns.Client{Timeout: 2 * time.Second}
-
-	// Client with large buffer: should get all records without truncation
-	r := new(dns.Msg).SetQuestion("example.com.", dns.TypeTXT)
-	r.SetEdns0(4096, false)
-
-	rm, _, err := ExchangeWithFallback(ctx, client, r, addr)
-	require.NoError(t, err)
-	require.NotNil(t, rm)
-	assert.Len(t, rm.Answer, 20, "large EDNS0 client should get all records")
-	assert.False(t, rm.Truncated, "response should not be truncated for large buffer client")
-
-	// Client with small buffer: should get truncated response
-	r2 := new(dns.Msg).SetQuestion("example.com.", dns.TypeTXT)
-	r2.SetEdns0(512, false)
-
-	rm2, _, err := ExchangeWithFallback(ctx, &dns.Client{Timeout: 2 * time.Second}, r2, addr)
-	require.NoError(t, err)
-	require.NotNil(t, rm2)
-	assert.Less(t, len(rm2.Answer), 20, "small EDNS0 client should get fewer records")
-	assert.True(t, rm2.Truncated, "response should be truncated for small buffer client")
-}

client/internal/dnsfwd/forwarder.go

@@ -237,8 +237,8 @@ func (f *DNSForwarder) writeResponse(logger *log.Entry, w dns.ResponseWriter, re
 		return
 	}
 
-	logger.Tracef("response: domain=%s rcode=%s answers=%s size=%dB took=%s",
-		qname, dns.RcodeToString[resp.Rcode], resutil.FormatAnswers(resp.Answer), resp.Len(), time.Since(startTime))
+	logger.Tracef("response: domain=%s rcode=%s answers=%s took=%s",
+		qname, dns.RcodeToString[resp.Rcode], resutil.FormatAnswers(resp.Answer), time.Since(startTime))
 }
 
 // udpResponseWriter wraps a dns.ResponseWriter to handle UDP-specific truncation.
@@ -263,28 +263,20 @@ func (u *udpResponseWriter) WriteMsg(resp *dns.Msg) error {
 
 func (f *DNSForwarder) handleDNSQueryUDP(w dns.ResponseWriter, query *dns.Msg) {
 	startTime := time.Now()
-	fields := log.Fields{
+	logger := log.WithFields(log.Fields{
 		"request_id": resutil.GenerateRequestID(),
 		"dns_id":     fmt.Sprintf("%04x", query.Id),
-	}
-	if addr := w.RemoteAddr(); addr != nil {
-		fields["client"] = addr.String()
-	}
-	logger := log.WithFields(fields)
+	})
 
 	f.handleDNSQuery(logger, &udpResponseWriter{ResponseWriter: w, query: query}, query, startTime)
 }
 
 func (f *DNSForwarder) handleDNSQueryTCP(w dns.ResponseWriter, query *dns.Msg) {
 	startTime := time.Now()
-	fields := log.Fields{
+	logger := log.WithFields(log.Fields{
 		"request_id": resutil.GenerateRequestID(),
 		"dns_id":     fmt.Sprintf("%04x", query.Id),
-	}
-	if addr := w.RemoteAddr(); addr != nil {
-		fields["client"] = addr.String()
-	}
-	logger := log.WithFields(fields)
+	})
 
 	f.handleDNSQuery(logger, w, query, startTime)
 }

client/internal/engine.go

@@ -28,17 +28,15 @@ import (
 	"github.com/netbirdio/netbird/client/firewall"
 	firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
 	"github.com/netbirdio/netbird/client/iface"
-	"github.com/netbirdio/netbird/client/iface/device"
 	nbnetstack "github.com/netbirdio/netbird/client/iface/netstack"
+	"github.com/netbirdio/netbird/client/iface/device"
 	"github.com/netbirdio/netbird/client/iface/udpmux"
 	"github.com/netbirdio/netbird/client/internal/acl"
 	"github.com/netbirdio/netbird/client/internal/debug"
 	"github.com/netbirdio/netbird/client/internal/dns"
 	dnsconfig "github.com/netbirdio/netbird/client/internal/dns/config"
 	"github.com/netbirdio/netbird/client/internal/dnsfwd"
-	"github.com/netbirdio/netbird/client/internal/expose"
 	"github.com/netbirdio/netbird/client/internal/ingressgw"
-	"github.com/netbirdio/netbird/client/internal/metrics"
 	"github.com/netbirdio/netbird/client/internal/netflow"
 	nftypes "github.com/netbirdio/netbird/client/internal/netflow/types"
 	"github.com/netbirdio/netbird/client/internal/networkmonitor"
@@ -46,21 +44,22 @@ 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/portforward"
 	"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/updater"
+	"github.com/netbirdio/netbird/client/internal/updatemanager"
 	"github.com/netbirdio/netbird/client/jobexec"
 	cProto "github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/shared/management/domain"
+	semaphoregroup "github.com/netbirdio/netbird/util/semaphore-group"
+
 	"github.com/netbirdio/netbird/client/system"
 	nbdns "github.com/netbirdio/netbird/dns"
 	"github.com/netbirdio/netbird/route"
 	mgm "github.com/netbirdio/netbird/shared/management/client"
-	"github.com/netbirdio/netbird/shared/management/domain"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
 	auth "github.com/netbirdio/netbird/shared/relay/auth/hmac"
 	relayClient "github.com/netbirdio/netbird/shared/relay/client"
@@ -76,11 +75,13 @@ import (
 const (
 	PeerConnectionTimeoutMax = 45000 // ms
 	PeerConnectionTimeoutMin = 30000 // ms
+	connInitLimit            = 200
 	disableAutoUpdate        = "disabled"
 )
 
 var ErrResetConnection = fmt.Errorf("reset connection")
 
+// EngineConfig is a config for the Engine
 type EngineConfig struct {
 	WgPort      int
 	WgIfaceName string
@@ -142,18 +143,6 @@ type EngineConfig struct {
 	LogPath string
 }
 
-// EngineServices holds the external service dependencies required by the Engine.
-type EngineServices struct {
-	SignalClient   signal.Client
-	MgmClient      mgm.Client
-	RelayManager   *relayClient.Manager
-	StatusRecorder *peer.Status
-	Checks         []*mgmProto.Checks
-	StateManager   *statemanager.Manager
-	UpdateManager  *updater.Manager
-	ClientMetrics  *metrics.ClientMetrics
-}
-
 // Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
 type Engine struct {
 	// signal is a Signal Service client
@@ -211,19 +200,19 @@ type Engine struct {
 	// checks are the client-applied posture checks that need to be evaluated on the client
 	checks []*mgmProto.Checks
 
-	relayManager       *relayClient.Manager
-	stateManager       *statemanager.Manager
-	portForwardManager *portforward.Manager
-	srWatcher          *guard.SRWatcher
+	relayManager *relayClient.Manager
+	stateManager *statemanager.Manager
+	srWatcher    *guard.SRWatcher
 
 	// Sync response persistence (protected by syncRespMux)
 	syncRespMux         sync.RWMutex
 	persistSyncResponse bool
 	latestSyncResponse  *mgmProto.SyncResponse
+	connSemaphore       *semaphoregroup.SemaphoreGroup
 	flowManager         nftypes.FlowManager
 
 	// auto-update
-	updateManager *updater.Manager
+	updateManager *updatemanager.Manager
 
 	// WireGuard interface monitor
 	wgIfaceMonitor *WGIfaceMonitor
@@ -233,13 +222,8 @@ type Engine struct {
 
 	probeStunTurn *relay.StunTurnProbe
 
-	// clientMetrics collects and pushes metrics
-	clientMetrics *metrics.ClientMetrics
-
 	jobExecutor   *jobexec.Executor
 	jobExecutorWG sync.WaitGroup
-
-	exposeManager *expose.Manager
 }
 
 // Peer is an instance of the Connection Peer
@@ -256,32 +240,35 @@ type localIpUpdater interface {
 func NewEngine(
 	clientCtx context.Context,
 	clientCancel context.CancelFunc,
+	signalClient signal.Client,
+	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
 	config *EngineConfig,
-	services EngineServices,
 	mobileDep MobileDependency,
+	statusRecorder *peer.Status,
+	checks []*mgmProto.Checks,
+	stateManager *statemanager.Manager,
 ) *Engine {
 	engine := &Engine{
-		clientCtx:          clientCtx,
-		clientCancel:       clientCancel,
-		signal:             services.SignalClient,
-		signaler:           peer.NewSignaler(services.SignalClient, config.WgPrivateKey),
-		mgmClient:          services.MgmClient,
-		relayManager:       services.RelayManager,
-		peerStore:          peerstore.NewConnStore(),
-		syncMsgMux:         &sync.Mutex{},
-		config:             config,
-		mobileDep:          mobileDep,
-		STUNs:              []*stun.URI{},
-		TURNs:              []*stun.URI{},
-		networkSerial:      0,
-		statusRecorder:     services.StatusRecorder,
-		stateManager:       services.StateManager,
-		portForwardManager: portforward.NewManager(),
-		checks:             services.Checks,
-		probeStunTurn:      relay.NewStunTurnProbe(relay.DefaultCacheTTL),
-		jobExecutor:        jobexec.NewExecutor(),
-		clientMetrics:      services.ClientMetrics,
-		updateManager:      services.UpdateManager,
+		clientCtx:      clientCtx,
+		clientCancel:   clientCancel,
+		signal:         signalClient,
+		signaler:       peer.NewSignaler(signalClient, config.WgPrivateKey),
+		mgmClient:      mgmClient,
+		relayManager:   relayManager,
+		peerStore:      peerstore.NewConnStore(),
+		syncMsgMux:     &sync.Mutex{},
+		config:         config,
+		mobileDep:      mobileDep,
+		STUNs:          []*stun.URI{},
+		TURNs:          []*stun.URI{},
+		networkSerial:  0,
+		statusRecorder: statusRecorder,
+		stateManager:   stateManager,
+		checks:         checks,
+		connSemaphore:  semaphoregroup.NewSemaphoreGroup(connInitLimit),
+		probeStunTurn:  relay.NewStunTurnProbe(relay.DefaultCacheTTL),
+		jobExecutor:    jobexec.NewExecutor(),
 	}
 
 	log.Infof("I am: %s", config.WgPrivateKey.PublicKey().String())
@@ -324,7 +311,7 @@ func (e *Engine) Stop() error {
 	}
 
 	if e.updateManager != nil {
-		e.updateManager.SetDownloadOnly()
+		e.updateManager.Stop()
 	}
 
 	log.Info("cleaning up status recorder states")
@@ -432,7 +419,6 @@ func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL)
 		e.cancel()
 	}
 	e.ctx, e.cancel = context.WithCancel(e.clientCtx)
-	e.exposeManager = expose.NewManager(e.ctx, e.mgmClient)
 
 	wgIface, err := e.newWgIface()
 	if err != nil {
@@ -502,17 +488,6 @@ func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL)
 
 	e.routeManager.SetRouteChangeListener(e.mobileDep.NetworkChangeListener)
 
-	e.dnsServer.SetRouteChecker(func(ip netip.Addr) bool {
-		for _, routes := range e.routeManager.GetSelectedClientRoutes() {
-			for _, r := range routes {
-				if r.Network.Contains(ip) {
-					return true
-				}
-			}
-		}
-		return false
-	})
-
 	if err = e.wgInterfaceCreate(); err != nil {
 		log.Errorf("failed creating tunnel interface %s: [%s]", e.config.WgIfaceName, err.Error())
 		e.close()
@@ -524,11 +499,6 @@ func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL)
 		return err
 	}
 
-	// Inject firewall into DNS server now that it's available.
-	// The DNS server is created before the firewall because the route manager
-	// depends on the DNS server, and the firewall depends on the wg interface.
-	e.dnsServer.SetFirewall(e.firewall)
-
 	e.udpMux, err = e.wgInterface.Up()
 	if err != nil {
 		log.Errorf("failed to pull up wgInterface [%s]: %s", e.wgInterface.Name(), err.Error())
@@ -540,13 +510,6 @@ func (e *Engine) Start(netbirdConfig *mgmProto.NetbirdConfig, mgmtURL *url.URL)
 	// conntrack entries from being created before the rules are in place
 	e.setupWGProxyNoTrack()
 
-	// Start after interface is up since port may have been resolved from 0 or changed if occupied
-	e.shutdownWg.Add(1)
-	go func() {
-		defer e.shutdownWg.Done()
-		e.portForwardManager.Start(e.ctx, uint16(e.config.WgPort))
-	}()
-
 	// Set the WireGuard interface for rosenpass after interface is up
 	if e.rpManager != nil {
 		e.rpManager.SetInterface(e.wgInterface)
@@ -597,6 +560,13 @@ 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")
@@ -824,30 +794,45 @@ func (e *Engine) PopulateNetbirdConfig(netbirdConfig *mgmProto.NetbirdConfig, mg
 	return nil
 }
 
-func (e *Engine) handleAutoUpdateVersion(autoUpdateSettings *mgmProto.AutoUpdateSettings) {
-	if e.updateManager == nil {
-		return
-	}
-
+func (e *Engine) handleAutoUpdateVersion(autoUpdateSettings *mgmProto.AutoUpdateSettings, initialCheck bool) {
 	if autoUpdateSettings == nil {
 		return
 	}
 
-	if autoUpdateSettings.Version == disableAutoUpdate {
-		log.Infof("auto-update is disabled")
-		e.updateManager.SetDownloadOnly()
+	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
 	}
 
-	e.updateManager.SetVersion(autoUpdateSettings.Version, autoUpdateSettings.AlwaysUpdate)
+	// 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 {
 	started := time.Now()
 	defer func() {
-		duration := time.Since(started)
-		log.Infof("sync finished in %s", duration)
-		e.clientMetrics.RecordSyncDuration(e.ctx, duration)
+		log.Infof("sync finished in %s", time.Since(started))
 	}()
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()
@@ -858,7 +843,7 @@ func (e *Engine) handleSync(update *mgmProto.SyncResponse) error {
 	}
 
 	if update.NetworkMap != nil && update.NetworkMap.PeerConfig != nil {
-		e.handleAutoUpdateVersion(update.NetworkMap.PeerConfig.AutoUpdate)
+		e.handleAutoUpdateVersion(update.NetworkMap.PeerConfig.AutoUpdate, false)
 	}
 
 	if update.GetNetbirdConfig() != nil {
@@ -1023,11 +1008,10 @@ func (e *Engine) updateConfig(conf *mgmProto.PeerConfig) error {
 		return errors.New("wireguard interface is not initialized")
 	}
 
+	// Cannot update the IP address without restarting the engine because
+	// the firewall, route manager, and other components cache the old address
 	if e.wgInterface.Address().String() != conf.Address {
-		log.Infof("peer IP address changed from %s to %s, restarting client", e.wgInterface.Address().String(), conf.Address)
-		_ = CtxGetState(e.ctx).Wrap(ErrResetConnection)
-		e.clientCancel()
-		return ErrResetConnection
+		log.Infof("peer IP address has changed from %s to %s", e.wgInterface.Address().String(), conf.Address)
 	}
 
 	if conf.GetSshConfig() != nil {
@@ -1095,7 +1079,6 @@ func (e *Engine) handleBundle(params *mgmProto.BundleParameters) (*mgmProto.JobR
 		StatusRecorder: e.statusRecorder,
 		SyncResponse:   syncResponse,
 		LogPath:        e.config.LogPath,
-		ClientMetrics:  e.clientMetrics,
 		RefreshStatus: func() {
 			e.RunHealthProbes(true)
 		},
@@ -1333,7 +1316,8 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
 
 	// Test received (upstream) servers for availability right away instead of upon usage.
 	// If no server of a server group responds this will disable the respective handler and retry later.
-	go e.dnsServer.ProbeAvailability()
+	e.dnsServer.ProbeAvailability()
+
 	return nil
 }
 
@@ -1550,13 +1534,12 @@ func (e *Engine) createPeerConn(pubKey string, allowedIPs []netip.Prefix, agentV
 	}
 
 	serviceDependencies := peer.ServiceDependencies{
-		StatusRecorder:     e.statusRecorder,
-		Signaler:           e.signaler,
-		IFaceDiscover:      e.mobileDep.IFaceDiscover,
-		RelayManager:       e.relayManager,
-		SrWatcher:          e.srWatcher,
-		PortForwardManager: e.portForwardManager,
-		MetricsRecorder:    e.clientMetrics,
+		StatusRecorder: e.statusRecorder,
+		Signaler:       e.signaler,
+		IFaceDiscover:  e.mobileDep.IFaceDiscover,
+		RelayManager:   e.relayManager,
+		SrWatcher:      e.srWatcher,
+		Semaphore:      e.connSemaphore,
 	}
 	peerConn, err := peer.NewConn(config, serviceDependencies)
 	if err != nil {
@@ -1579,10 +1562,8 @@ func (e *Engine) receiveSignalEvents() {
 		defer e.shutdownWg.Done()
 		// connect to a stream of messages coming from the signal server
 		err := e.signal.Receive(e.ctx, func(msg *sProto.Message) error {
-			start := time.Now()
 			e.syncMsgMux.Lock()
 			defer e.syncMsgMux.Unlock()
-			gotLock := time.Since(start)
 
 			// Check context INSIDE lock to ensure atomicity with shutdown
 			if e.ctx.Err() != nil {
@@ -1606,8 +1587,6 @@ func (e *Engine) receiveSignalEvents() {
 					return err
 				}
 
-				log.Debugf("receiveMSG: took %s to get lock for peer %s with session id %s", gotLock, msg.Key, offerAnswer.SessionID)
-
 				if msg.Body.Type == sProto.Body_OFFER {
 					conn.OnRemoteOffer(*offerAnswer)
 				} else {
@@ -1713,12 +1692,6 @@ func (e *Engine) close() {
 	if e.rpManager != nil {
 		_ = e.rpManager.Close()
 	}
-
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-	if err := e.portForwardManager.GracefullyStop(ctx); err != nil {
-		log.Warnf("failed to gracefully stop port forwarding manager: %s", err)
-	}
 }
 
 func (e *Engine) readInitialSettings() ([]*route.Route, *nbdns.Config, bool, error) {
@@ -1822,7 +1795,7 @@ func (e *Engine) newDnsServer(dnsConfig *nbdns.Config) (dns.Server, error) {
 		return dnsServer, nil
 
 	case "ios":
-		dnsServer := dns.NewDefaultServerIos(e.ctx, e.wgInterface, e.mobileDep.DnsManager, e.mobileDep.HostDNSAddresses, e.statusRecorder, e.config.DisableDNS)
+		dnsServer := dns.NewDefaultServerIos(e.ctx, e.wgInterface, e.mobileDep.DnsManager, e.statusRecorder, e.config.DisableDNS)
 		return dnsServer, nil
 
 	default:
@@ -1847,28 +1820,11 @@ func (e *Engine) GetRouteManager() routemanager.Manager {
 	return e.routeManager
 }
 
-// GetFirewallManager returns the firewall manager.
+// GetFirewallManager returns the firewall manager
 func (e *Engine) GetFirewallManager() firewallManager.Manager {
 	return e.firewall
 }
 
-// GetExposeManager returns the expose session manager.
-func (e *Engine) GetExposeManager() *expose.Manager {
-	e.syncMsgMux.Lock()
-	defer e.syncMsgMux.Unlock()
-	return e.exposeManager
-}
-
-// IsBlockInbound returns whether inbound connections are blocked.
-func (e *Engine) IsBlockInbound() bool {
-	return e.config.BlockInbound
-}
-
-// GetClientMetrics returns the client metrics
-func (e *Engine) GetClientMetrics() *metrics.ClientMetrics {
-	return e.clientMetrics
-}
-
 func findIPFromInterfaceName(ifaceName string) (net.IP, error) {
 	iface, err := net.InterfaceByName(ifaceName)
 	if err != nil {

client/internal/engine_test.go

@@ -251,6 +251,9 @@ func TestEngine_SSH(t *testing.T) {
 	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
 	engine := NewEngine(
 		ctx, cancel,
+		&signal.MockClient{},
+		&mgmt.MockClient{},
+		relayMgr,
 		&EngineConfig{
 			WgIfaceName:      "utun101",
 			WgAddr:           "100.64.0.1/24",
@@ -260,13 +263,10 @@ func TestEngine_SSH(t *testing.T) {
 			MTU:              iface.DefaultMTU,
 			SSHKey:           sshKey,
 		},
-		EngineServices{
-			SignalClient:   &signal.MockClient{},
-			MgmClient:      &mgmt.MockClient{},
-			RelayManager:   relayMgr,
-			StatusRecorder: peer.NewRecorder("https://mgm"),
-		},
 		MobileDependency{},
+		peer.NewRecorder("https://mgm"),
+		nil,
+		nil,
 	)
 
 	engine.dnsServer = &dns.MockServer{
@@ -428,18 +428,13 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 	defer cancel()
 
 	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
-	engine := NewEngine(ctx, cancel, &EngineConfig{
+	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 		WgIfaceName:  "utun102",
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
 		MTU:          iface.DefaultMTU,
-	}, EngineServices{
-		SignalClient:   &signal.MockClient{},
-		MgmClient:      &mgmt.MockClient{},
-		RelayManager:   relayMgr,
-		StatusRecorder: peer.NewRecorder("https://mgm"),
-	}, MobileDependency{})
+	}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil, nil)
 
 	wgIface := &MockWGIface{
 		NameFunc: func() string { return "utun102" },
@@ -652,18 +647,13 @@ func TestEngine_Sync(t *testing.T) {
 		return nil
 	}
 	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
-	engine := NewEngine(ctx, cancel, &EngineConfig{
+	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{SyncFunc: syncFunc}, relayMgr, &EngineConfig{
 		WgIfaceName:  "utun103",
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
 		MTU:          iface.DefaultMTU,
-	}, EngineServices{
-		SignalClient:   &signal.MockClient{},
-		MgmClient:      &mgmt.MockClient{SyncFunc: syncFunc},
-		RelayManager:   relayMgr,
-		StatusRecorder: peer.NewRecorder("https://mgm"),
-	}, MobileDependency{})
+	}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil, nil)
 	engine.ctx = ctx
 
 	engine.dnsServer = &dns.MockServer{
@@ -822,18 +812,13 @@ func TestEngine_UpdateNetworkMapWithRoutes(t *testing.T) {
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
 			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
-			engine := NewEngine(ctx, cancel, &EngineConfig{
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
 				WgPort:       33100,
 				MTU:          iface.DefaultMTU,
-			}, EngineServices{
-				SignalClient:   &signal.MockClient{},
-				MgmClient:      &mgmt.MockClient{},
-				RelayManager:   relayMgr,
-				StatusRecorder: peer.NewRecorder("https://mgm"),
-			}, MobileDependency{})
+			}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil, nil)
 			engine.ctx = ctx
 			newNet, err := stdnet.NewNet(context.Background(), nil)
 			if err != nil {
@@ -1029,18 +1014,13 @@ func TestEngine_UpdateNetworkMapWithDNSUpdate(t *testing.T) {
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
 			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
-			engine := NewEngine(ctx, cancel, &EngineConfig{
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
 				WgPort:       33100,
 				MTU:          iface.DefaultMTU,
-			}, EngineServices{
-				SignalClient:   &signal.MockClient{},
-				MgmClient:      &mgmt.MockClient{},
-				RelayManager:   relayMgr,
-				StatusRecorder: peer.NewRecorder("https://mgm"),
-			}, MobileDependency{})
+			}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil, nil)
 			engine.ctx = ctx
 
 			newNet, err := stdnet.NewNet(context.Background(), nil)
@@ -1538,8 +1518,13 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 		return nil, err
 	}
 
+	publicKey, err := mgmtClient.GetServerPublicKey()
+	if err != nil {
+		return nil, err
+	}
+
 	info := system.GetInfo(ctx)
-	resp, err := mgmtClient.Register(setupKey, "", info, nil, nil)
+	resp, err := mgmtClient.Register(*publicKey, setupKey, "", info, nil, nil)
 	if err != nil {
 		return nil, err
 	}
@@ -1561,12 +1546,7 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 	}
 
 	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
-	e, err := NewEngine(ctx, cancel, conf, EngineServices{
-		SignalClient:   signalClient,
-		MgmClient:      mgmtClient,
-		RelayManager:   relayMgr,
-		StatusRecorder: peer.NewRecorder("https://mgm"),
-	}, MobileDependency{}), nil
+	e, err := NewEngine(ctx, cancel, signalClient, mgmtClient, relayMgr, conf, MobileDependency{}, peer.NewRecorder("https://mgm"), nil, nil), nil
 	e.ctx = ctx
 	return e, err
 }

client/internal/expose/manager.go

@@ -1,104 +0,0 @@
-package expose
-
-import (
-	"context"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-
-	mgm "github.com/netbirdio/netbird/shared/management/client"
-)
-
-const (
-	renewTimeout = 10 * time.Second
-)
-
-// Response holds the response from exposing a service.
-type Response struct {
-	ServiceName      string
-	ServiceURL       string
-	Domain           string
-	PortAutoAssigned bool
-}
-
-// Request holds the parameters for exposing a local service via the management server.
-// It is part of the embed API surface and exposed via a type alias.
-type Request struct {
-	NamePrefix string
-	Domain     string
-	Port       uint16
-	Protocol   ProtocolType
-	Pin        string
-	Password   string
-	UserGroups []string
-	ListenPort uint16
-}
-
-type ManagementClient interface {
-	CreateExpose(ctx context.Context, req mgm.ExposeRequest) (*mgm.ExposeResponse, error)
-	RenewExpose(ctx context.Context, domain string) error
-	StopExpose(ctx context.Context, domain string) error
-}
-
-// Manager handles expose session lifecycle via the management client.
-type Manager struct {
-	mgmClient ManagementClient
-	ctx       context.Context
-}
-
-// NewManager creates a new expose Manager using the given management client.
-func NewManager(ctx context.Context, mgmClient ManagementClient) *Manager {
-	return &Manager{mgmClient: mgmClient, ctx: ctx}
-}
-
-// Expose creates a new expose session via the management server.
-func (m *Manager) Expose(ctx context.Context, req Request) (*Response, error) {
-	log.Infof("exposing service on port %d", req.Port)
-	resp, err := m.mgmClient.CreateExpose(ctx, toClientExposeRequest(req))
-	if err != nil {
-		return nil, err
-	}
-
-	log.Infof("expose session created for %s", resp.Domain)
-
-	return fromClientExposeResponse(resp), nil
-}
-
-// KeepAlive periodically renews the expose session for the given domain until the context is canceled or an error occurs.
-// It is part of the embed API surface and exposed via a type alias.
-func (m *Manager) KeepAlive(ctx context.Context, domain string) error {
-	ticker := time.NewTicker(30 * time.Second)
-	defer ticker.Stop()
-	defer m.stop(domain)
-
-	for {
-		select {
-		case <-ctx.Done():
-			log.Infof("context canceled, stopping keep alive for %s", domain)
-
-			return nil
-		case <-ticker.C:
-			if err := m.renew(ctx, domain); err != nil {
-				log.Errorf("renewing expose session for %s: %v", domain, err)
-				return err
-			}
-		}
-	}
-}
-
-// renew extends the TTL of an active expose session.
-func (m *Manager) renew(ctx context.Context, domain string) error {
-	renewCtx, cancel := context.WithTimeout(ctx, renewTimeout)
-	defer cancel()
-	return m.mgmClient.RenewExpose(renewCtx, domain)
-}
-
-// stop terminates an active expose session.
-func (m *Manager) stop(domain string) {
-	stopCtx, cancel := context.WithTimeout(m.ctx, renewTimeout)
-	defer cancel()
-	err := m.mgmClient.StopExpose(stopCtx, domain)
-	if err != nil {
-		log.Warnf("Failed stopping expose session for %s: %v", domain, err)
-	}
-}

client/internal/expose/manager_test.go

@@ -1,95 +0,0 @@
-package expose
-
-import (
-	"context"
-	"errors"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
-	daemonProto "github.com/netbirdio/netbird/client/proto"
-	mgm "github.com/netbirdio/netbird/shared/management/client"
-)
-
-func TestManager_Expose_Success(t *testing.T) {
-	mock := &mgm.MockClient{
-		CreateExposeFunc: func(ctx context.Context, req mgm.ExposeRequest) (*mgm.ExposeResponse, error) {
-			return &mgm.ExposeResponse{
-				ServiceName: "my-service",
-				ServiceURL:  "https://my-service.example.com",
-				Domain:      "my-service.example.com",
-			}, nil
-		},
-	}
-
-	m := NewManager(context.Background(), mock)
-	result, err := m.Expose(context.Background(), Request{Port: 8080})
-	require.NoError(t, err)
-	assert.Equal(t, "my-service", result.ServiceName, "service name should match")
-	assert.Equal(t, "https://my-service.example.com", result.ServiceURL, "service URL should match")
-	assert.Equal(t, "my-service.example.com", result.Domain, "domain should match")
-}
-
-func TestManager_Expose_Error(t *testing.T) {
-	mock := &mgm.MockClient{
-		CreateExposeFunc: func(ctx context.Context, req mgm.ExposeRequest) (*mgm.ExposeResponse, error) {
-			return nil, errors.New("permission denied")
-		},
-	}
-
-	m := NewManager(context.Background(), mock)
-	_, err := m.Expose(context.Background(), Request{Port: 8080})
-	require.Error(t, err)
-	assert.Contains(t, err.Error(), "permission denied", "error should propagate")
-}
-
-func TestManager_Renew_Success(t *testing.T) {
-	mock := &mgm.MockClient{
-		RenewExposeFunc: func(ctx context.Context, domain string) error {
-			assert.Equal(t, "my-service.example.com", domain, "domain should be passed through")
-			return nil
-		},
-	}
-
-	m := NewManager(context.Background(), mock)
-	err := m.renew(context.Background(), "my-service.example.com")
-	require.NoError(t, err)
-}
-
-func TestManager_Renew_Timeout(t *testing.T) {
-	ctx, cancel := context.WithCancel(context.Background())
-	cancel()
-
-	mock := &mgm.MockClient{
-		RenewExposeFunc: func(ctx context.Context, domain string) error {
-			return ctx.Err()
-		},
-	}
-
-	m := NewManager(ctx, mock)
-	err := m.renew(ctx, "my-service.example.com")
-	require.Error(t, err)
-}
-
-func TestNewRequest(t *testing.T) {
-	req := &daemonProto.ExposeServiceRequest{
-		Port:       8080,
-		Protocol:   daemonProto.ExposeProtocol_EXPOSE_HTTPS,
-		Pin:        "123456",
-		Password:   "secret",
-		UserGroups: []string{"group1", "group2"},
-		Domain:     "custom.example.com",
-		NamePrefix: "my-prefix",
-	}
-
-	exposeReq := NewRequest(req)
-
-	assert.Equal(t, uint16(8080), exposeReq.Port, "port should match")
-	assert.Equal(t, ProtocolType(daemonProto.ExposeProtocol_EXPOSE_HTTPS), exposeReq.Protocol, "protocol should match")
-	assert.Equal(t, "123456", exposeReq.Pin, "pin should match")
-	assert.Equal(t, "secret", exposeReq.Password, "password should match")
-	assert.Equal(t, []string{"group1", "group2"}, exposeReq.UserGroups, "user groups should match")
-	assert.Equal(t, "custom.example.com", exposeReq.Domain, "domain should match")
-	assert.Equal(t, "my-prefix", exposeReq.NamePrefix, "name prefix should match")
-}

client/internal/expose/protocol.go

@@ -1,40 +0,0 @@
-package expose
-
-import (
-	"fmt"
-	"strings"
-)
-
-// ProtocolType represents the protocol used for exposing a service.
-type ProtocolType int
-
-const (
-	// ProtocolHTTP exposes the service as HTTP.
-	ProtocolHTTP ProtocolType = 0
-	// ProtocolHTTPS exposes the service as HTTPS.
-	ProtocolHTTPS ProtocolType = 1
-	// ProtocolTCP exposes the service as TCP.
-	ProtocolTCP ProtocolType = 2
-	// ProtocolUDP exposes the service as UDP.
-	ProtocolUDP ProtocolType = 3
-	// ProtocolTLS exposes the service as TLS.
-	ProtocolTLS ProtocolType = 4
-)
-
-// ParseProtocolType parses a protocol string into a ProtocolType.
-func ParseProtocolType(s string) (ProtocolType, error) {
-	switch strings.ToLower(s) {
-	case "http":
-		return ProtocolHTTP, nil
-	case "https":
-		return ProtocolHTTPS, nil
-	case "tcp":
-		return ProtocolTCP, nil
-	case "udp":
-		return ProtocolUDP, nil
-	case "tls":
-		return ProtocolTLS, nil
-	default:
-		return 0, fmt.Errorf("unsupported protocol %q: must be http, https, tcp, udp, or tls", s)
-	}
-}

client/internal/expose/request.go

@@ -1,42 +0,0 @@
-package expose
-
-import (
-	daemonProto "github.com/netbirdio/netbird/client/proto"
-	mgm "github.com/netbirdio/netbird/shared/management/client"
-)
-
-// NewRequest converts a daemon ExposeServiceRequest to a management ExposeServiceRequest.
-func NewRequest(req *daemonProto.ExposeServiceRequest) *Request {
-	return &Request{
-		Port:       uint16(req.Port),
-		Protocol:   ProtocolType(req.Protocol),
-		Pin:        req.Pin,
-		Password:   req.Password,
-		UserGroups: req.UserGroups,
-		Domain:     req.Domain,
-		NamePrefix: req.NamePrefix,
-		ListenPort: uint16(req.ListenPort),
-	}
-}
-
-func toClientExposeRequest(req Request) mgm.ExposeRequest {
-	return mgm.ExposeRequest{
-		NamePrefix: req.NamePrefix,
-		Domain:     req.Domain,
-		Port:       req.Port,
-		Protocol:   int(req.Protocol),
-		Pin:        req.Pin,
-		Password:   req.Password,
-		UserGroups: req.UserGroups,
-		ListenPort: req.ListenPort,
-	}
-}
-
-func fromClientExposeResponse(response *mgm.ExposeResponse) *Response {
-	return &Response{
-		ServiceName:      response.ServiceName,
-		Domain:           response.Domain,
-		ServiceURL:       response.ServiceURL,
-		PortAutoAssigned: response.PortAutoAssigned,
-	}
-}

client/internal/metrics/connection_type.go

@@ -1,17 +0,0 @@
-package metrics
-
-// ConnectionType represents the type of peer connection
-type ConnectionType string
-
-const (
-	// ConnectionTypeICE represents a direct peer-to-peer connection using ICE
-	ConnectionTypeICE ConnectionType = "ice"
-
-	// ConnectionTypeRelay represents a relayed connection
-	ConnectionTypeRelay ConnectionType = "relay"
-)
-
-// String returns the string representation of the connection type
-func (c ConnectionType) String() string {
-	return string(c)
-}

client/internal/metrics/deployment_type.go

@@ -1,51 +0,0 @@
-package metrics
-
-import (
-	"net/url"
-	"strings"
-)
-
-// DeploymentType represents the type of NetBird deployment
-type DeploymentType int
-
-const (
-	// DeploymentTypeUnknown represents an unknown or uninitialized deployment type
-	DeploymentTypeUnknown DeploymentType = iota
-
-	// DeploymentTypeCloud represents a cloud-hosted NetBird deployment
-	DeploymentTypeCloud
-
-	// DeploymentTypeSelfHosted represents a self-hosted NetBird deployment
-	DeploymentTypeSelfHosted
-)
-
-// String returns the string representation of the deployment type
-func (d DeploymentType) String() string {
-	switch d {
-	case DeploymentTypeCloud:
-		return "cloud"
-	case DeploymentTypeSelfHosted:
-		return "selfhosted"
-	default:
-		return "unknown"
-	}
-}
-
-// DetermineDeploymentType determines if the deployment is cloud or self-hosted
-// based on the management URL string
-func DetermineDeploymentType(managementURL string) DeploymentType {
-	if managementURL == "" {
-		return DeploymentTypeUnknown
-	}
-
-	u, err := url.Parse(managementURL)
-	if err != nil {
-		return DeploymentTypeSelfHosted
-	}
-
-	if strings.ToLower(u.Hostname()) == "api.netbird.io" {
-		return DeploymentTypeCloud
-	}
-
-	return DeploymentTypeSelfHosted
-}

client/internal/metrics/env.go

@@ -1,93 +0,0 @@
-package metrics
-
-import (
-	"net/url"
-	"os"
-	"strconv"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-)
-
-const (
-	// EnvMetricsPushEnabled controls whether collected metrics are pushed to the backend.
-	// Metrics collection itself is always active (for debug bundles).
-	// Disabled by default. Set NB_METRICS_PUSH_ENABLED=true to enable push.
-	EnvMetricsPushEnabled = "NB_METRICS_PUSH_ENABLED"
-
-	// EnvMetricsForceSending if set to true, skips remote configuration fetch and forces metric sending
-	EnvMetricsForceSending = "NB_METRICS_FORCE_SENDING"
-
-	// EnvMetricsConfigURL is the environment variable to override the metrics push config ServerAddress
-	EnvMetricsConfigURL = "NB_METRICS_CONFIG_URL"
-
-	// EnvMetricsServerURL is the environment variable to override the metrics server address.
-	// When set, this takes precedence over the server_url from remote push config.
-	EnvMetricsServerURL = "NB_METRICS_SERVER_URL"
-
-	// EnvMetricsInterval overrides the push interval from the remote config.
-	// Only affects how often metrics are pushed; remote config availability
-	// and version range checks are still respected.
-	// Format: duration string like "1h", "30m", "4h"
-	EnvMetricsInterval = "NB_METRICS_INTERVAL"
-
-	defaultMetricsConfigURL = "https://ingest.netbird.io/config"
-)
-
-// IsMetricsPushEnabled returns true if metrics push is enabled via NB_METRICS_PUSH_ENABLED env var.
-// Disabled by default. Metrics collection is always active for debug bundles.
-func IsMetricsPushEnabled() bool {
-	enabled, _ := strconv.ParseBool(os.Getenv(EnvMetricsPushEnabled))
-	return enabled
-}
-
-// getMetricsInterval returns the metrics push interval from NB_METRICS_INTERVAL env var.
-// Returns 0 if not set or invalid.
-func getMetricsInterval() time.Duration {
-	intervalStr := os.Getenv(EnvMetricsInterval)
-	if intervalStr == "" {
-		return 0
-	}
-	interval, err := time.ParseDuration(intervalStr)
-	if err != nil {
-		log.Warnf("invalid metrics interval from env %q: %v", intervalStr, err)
-		return 0
-	}
-	if interval <= 0 {
-		log.Warnf("invalid metrics interval from env %q: must be positive", intervalStr)
-		return 0
-	}
-	return interval
-}
-
-func isForceSending() bool {
-	force, _ := strconv.ParseBool(os.Getenv(EnvMetricsForceSending))
-	return force
-}
-
-// getMetricsConfigURL returns the URL to fetch push configuration from
-func getMetricsConfigURL() string {
-	if envURL := os.Getenv(EnvMetricsConfigURL); envURL != "" {
-		return envURL
-	}
-	return defaultMetricsConfigURL
-}
-
-// getMetricsServerURL returns the metrics server URL from NB_METRICS_SERVER_URL env var.
-// Returns nil if not set or invalid.
-func getMetricsServerURL() *url.URL {
-	envURL := os.Getenv(EnvMetricsServerURL)
-	if envURL == "" {
-		return nil
-	}
-	parsed, err := url.ParseRequestURI(envURL)
-	if err != nil || parsed.Host == "" {
-		log.Warnf("invalid metrics server URL %q: must be an absolute HTTP(S) URL", envURL)
-		return nil
-	}
-	if parsed.Scheme != "http" && parsed.Scheme != "https" {
-		log.Warnf("invalid metrics server URL %q: unsupported scheme %q", envURL, parsed.Scheme)
-		return nil
-	}
-	return parsed
-}

client/internal/metrics/influxdb.go

@@ -1,219 +0,0 @@
-package metrics
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"maps"
-	"slices"
-	"sync"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-)
-
-const (
-	maxSampleAge  = 5 * 24 * time.Hour // drop samples older than 5 days
-	maxBufferSize = 5 * 1024 * 1024    // drop oldest samples when estimated size exceeds 5 MB
-	// estimatedSampleSize is a rough per-sample memory estimate (measurement + tags + fields + timestamp)
-	estimatedSampleSize = 256
-)
-
-// influxSample is a single InfluxDB line protocol entry.
-type influxSample struct {
-	measurement string
-	tags        string
-	fields      map[string]float64
-	timestamp   time.Time
-}
-
-// influxDBMetrics collects metric events as timestamped samples.
-// Each event is recorded with its exact timestamp, pushed once, then cleared.
-type influxDBMetrics struct {
-	mu      sync.Mutex
-	samples []influxSample
-}
-
-func newInfluxDBMetrics() metricsImplementation {
-	return &influxDBMetrics{}
-}
-func (m *influxDBMetrics) RecordConnectionStages(
-	_ context.Context,
-	agentInfo AgentInfo,
-	connectionPairID string,
-	connectionType ConnectionType,
-	isReconnection bool,
-	timestamps ConnectionStageTimestamps,
-) {
-	var signalingReceivedToConnection, connectionToWgHandshake, totalDuration float64
-
-	if !timestamps.SignalingReceived.IsZero() && !timestamps.ConnectionReady.IsZero() {
-		signalingReceivedToConnection = timestamps.ConnectionReady.Sub(timestamps.SignalingReceived).Seconds()
-	}
-
-	if !timestamps.ConnectionReady.IsZero() && !timestamps.WgHandshakeSuccess.IsZero() {
-		connectionToWgHandshake = timestamps.WgHandshakeSuccess.Sub(timestamps.ConnectionReady).Seconds()
-	}
-
-	if !timestamps.SignalingReceived.IsZero() && !timestamps.WgHandshakeSuccess.IsZero() {
-		totalDuration = timestamps.WgHandshakeSuccess.Sub(timestamps.SignalingReceived).Seconds()
-	}
-
-	attemptType := "initial"
-	if isReconnection {
-		attemptType = "reconnection"
-	}
-
-	connTypeStr := connectionType.String()
-	tags := fmt.Sprintf("deployment_type=%s,connection_type=%s,attempt_type=%s,version=%s,os=%s,arch=%s,peer_id=%s,connection_pair_id=%s",
-		agentInfo.DeploymentType.String(),
-		connTypeStr,
-		attemptType,
-		agentInfo.Version,
-		agentInfo.OS,
-		agentInfo.Arch,
-		agentInfo.peerID,
-		connectionPairID,
-	)
-
-	now := time.Now()
-
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	m.samples = append(m.samples, influxSample{
-		measurement: "netbird_peer_connection",
-		tags:        tags,
-		fields: map[string]float64{
-			"signaling_to_connection_seconds":    signalingReceivedToConnection,
-			"connection_to_wg_handshake_seconds": connectionToWgHandshake,
-			"total_seconds":                      totalDuration,
-		},
-		timestamp: now,
-	})
-	m.trimLocked()
-
-	log.Tracef("peer connection metrics [%s, %s, %s]: signalingReceived→connection: %.3fs, connection→wg_handshake: %.3fs, total: %.3fs",
-		agentInfo.DeploymentType.String(), connTypeStr, attemptType, signalingReceivedToConnection, connectionToWgHandshake, totalDuration)
-}
-
-func (m *influxDBMetrics) RecordSyncDuration(_ context.Context, agentInfo AgentInfo, duration time.Duration) {
-	tags := fmt.Sprintf("deployment_type=%s,version=%s,os=%s,arch=%s,peer_id=%s",
-		agentInfo.DeploymentType.String(),
-		agentInfo.Version,
-		agentInfo.OS,
-		agentInfo.Arch,
-		agentInfo.peerID,
-	)
-
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	m.samples = append(m.samples, influxSample{
-		measurement: "netbird_sync",
-		tags:        tags,
-		fields: map[string]float64{
-			"duration_seconds": duration.Seconds(),
-		},
-		timestamp: time.Now(),
-	})
-	m.trimLocked()
-}
-
-func (m *influxDBMetrics) RecordLoginDuration(_ context.Context, agentInfo AgentInfo, duration time.Duration, success bool) {
-	result := "success"
-	if !success {
-		result = "failure"
-	}
-
-	tags := fmt.Sprintf("deployment_type=%s,result=%s,version=%s,os=%s,arch=%s,peer_id=%s",
-		agentInfo.DeploymentType.String(),
-		result,
-		agentInfo.Version,
-		agentInfo.OS,
-		agentInfo.Arch,
-		agentInfo.peerID,
-	)
-
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	m.samples = append(m.samples, influxSample{
-		measurement: "netbird_login",
-		tags:        tags,
-		fields: map[string]float64{
-			"duration_seconds": duration.Seconds(),
-		},
-		timestamp: time.Now(),
-	})
-	m.trimLocked()
-
-	log.Tracef("login metrics [%s, %s]: duration=%.3fs", agentInfo.DeploymentType.String(), result, duration.Seconds())
-}
-
-// Export writes pending samples in InfluxDB line protocol format.
-// Format: measurement,tag=val,tag=val field=val,field=val timestamp_ns
-func (m *influxDBMetrics) Export(w io.Writer) error {
-	m.mu.Lock()
-	samples := make([]influxSample, len(m.samples))
-	copy(samples, m.samples)
-	m.mu.Unlock()
-
-	for _, s := range samples {
-		if _, err := fmt.Fprintf(w, "%s,%s ", s.measurement, s.tags); err != nil {
-			return err
-		}
-
-		sortedKeys := slices.Sorted(maps.Keys(s.fields))
-		first := true
-		for _, k := range sortedKeys {
-			if !first {
-				if _, err := fmt.Fprint(w, ","); err != nil {
-					return err
-				}
-			}
-			if _, err := fmt.Fprintf(w, "%s=%g", k, s.fields[k]); err != nil {
-				return err
-			}
-			first = false
-		}
-
-		if _, err := fmt.Fprintf(w, " %d\n", s.timestamp.UnixNano()); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// Reset clears pending samples after a successful push
-func (m *influxDBMetrics) Reset() {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	m.samples = m.samples[:0]
-}
-
-// trimLocked removes samples that exceed age or size limits.
-// Must be called with m.mu held.
-func (m *influxDBMetrics) trimLocked() {
-	now := time.Now()
-
-	// drop samples older than maxSampleAge
-	cutoff := 0
-	for cutoff < len(m.samples) && now.Sub(m.samples[cutoff].timestamp) > maxSampleAge {
-		cutoff++
-	}
-	if cutoff > 0 {
-		copy(m.samples, m.samples[cutoff:])
-		m.samples = m.samples[:len(m.samples)-cutoff]
-		log.Debugf("influxdb metrics: dropped %d samples older than %s", cutoff, maxSampleAge)
-	}
-
-	// drop oldest samples if estimated size exceeds maxBufferSize
-	maxSamples := maxBufferSize / estimatedSampleSize
-	if len(m.samples) > maxSamples {
-		drop := len(m.samples) - maxSamples
-		copy(m.samples, m.samples[drop:])
-		m.samples = m.samples[:maxSamples]
-		log.Debugf("influxdb metrics: dropped %d oldest samples to stay under %d MB size limit", drop, maxBufferSize/(1024*1024))
-	}
-}

client/internal/metrics/influxdb_test.go

@@ -1,229 +0,0 @@
-package metrics
-
-import (
-	"bytes"
-	"context"
-	"strings"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestInfluxDBMetrics_RecordAndExport(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	agentInfo := AgentInfo{
-		DeploymentType: DeploymentTypeCloud,
-		Version:        "1.0.0",
-		OS:             "linux",
-		Arch:           "amd64",
-		peerID:         "abc123",
-	}
-
-	ts := ConnectionStageTimestamps{
-		SignalingReceived:  time.Now().Add(-3 * time.Second),
-		ConnectionReady:    time.Now().Add(-2 * time.Second),
-		WgHandshakeSuccess: time.Now().Add(-1 * time.Second),
-	}
-
-	m.RecordConnectionStages(context.Background(), agentInfo, "pair123", ConnectionTypeICE, false, ts)
-
-	var buf bytes.Buffer
-	err := m.Export(&buf)
-	require.NoError(t, err)
-
-	output := buf.String()
-	assert.Contains(t, output, "netbird_peer_connection,")
-	assert.Contains(t, output, "connection_to_wg_handshake_seconds=")
-	assert.Contains(t, output, "signaling_to_connection_seconds=")
-	assert.Contains(t, output, "total_seconds=")
-}
-
-func TestInfluxDBMetrics_ExportDeterministicFieldOrder(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	agentInfo := AgentInfo{
-		DeploymentType: DeploymentTypeCloud,
-		Version:        "1.0.0",
-		OS:             "linux",
-		Arch:           "amd64",
-		peerID:         "abc123",
-	}
-
-	ts := ConnectionStageTimestamps{
-		SignalingReceived:  time.Now().Add(-3 * time.Second),
-		ConnectionReady:    time.Now().Add(-2 * time.Second),
-		WgHandshakeSuccess: time.Now().Add(-1 * time.Second),
-	}
-
-	// Record multiple times and verify consistent field order
-	for i := 0; i < 10; i++ {
-		m.RecordConnectionStages(context.Background(), agentInfo, "pair123", ConnectionTypeICE, false, ts)
-	}
-
-	var buf bytes.Buffer
-	err := m.Export(&buf)
-	require.NoError(t, err)
-
-	lines := strings.Split(strings.TrimSpace(buf.String()), "\n")
-	require.Len(t, lines, 10)
-
-	// Extract field portion from each line and verify they're all identical
-	var fieldSections []string
-	for _, line := range lines {
-		parts := strings.SplitN(line, " ", 3)
-		require.Len(t, parts, 3, "each line should have measurement, fields, timestamp")
-		fieldSections = append(fieldSections, parts[1])
-	}
-
-	for i := 1; i < len(fieldSections); i++ {
-		assert.Equal(t, fieldSections[0], fieldSections[i], "field order should be deterministic across samples")
-	}
-
-	// Fields should be alphabetically sorted
-	assert.True(t, strings.HasPrefix(fieldSections[0], "connection_to_wg_handshake_seconds="),
-		"fields should be sorted: connection_to_wg < signaling_to < total")
-}
-
-func TestInfluxDBMetrics_RecordSyncDuration(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	agentInfo := AgentInfo{
-		DeploymentType: DeploymentTypeSelfHosted,
-		Version:        "2.0.0",
-		OS:             "darwin",
-		Arch:           "arm64",
-		peerID:         "def456",
-	}
-
-	m.RecordSyncDuration(context.Background(), agentInfo, 1500*time.Millisecond)
-
-	var buf bytes.Buffer
-	err := m.Export(&buf)
-	require.NoError(t, err)
-
-	output := buf.String()
-	assert.Contains(t, output, "netbird_sync,")
-	assert.Contains(t, output, "duration_seconds=1.5")
-	assert.Contains(t, output, "deployment_type=selfhosted")
-}
-
-func TestInfluxDBMetrics_Reset(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	agentInfo := AgentInfo{
-		DeploymentType: DeploymentTypeCloud,
-		Version:        "1.0.0",
-		OS:             "linux",
-		Arch:           "amd64",
-		peerID:         "abc123",
-	}
-
-	m.RecordSyncDuration(context.Background(), agentInfo, time.Second)
-
-	var buf bytes.Buffer
-	err := m.Export(&buf)
-	require.NoError(t, err)
-	assert.NotEmpty(t, buf.String())
-
-	m.Reset()
-
-	buf.Reset()
-	err = m.Export(&buf)
-	require.NoError(t, err)
-	assert.Empty(t, buf.String(), "should be empty after reset")
-}
-
-func TestInfluxDBMetrics_ExportEmpty(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	var buf bytes.Buffer
-	err := m.Export(&buf)
-	require.NoError(t, err)
-	assert.Empty(t, buf.String())
-}
-
-func TestInfluxDBMetrics_TrimByAge(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	m.mu.Lock()
-	m.samples = append(m.samples, influxSample{
-		measurement: "old",
-		tags:        "t=1",
-		fields:      map[string]float64{"v": 1},
-		timestamp:   time.Now().Add(-maxSampleAge - time.Hour),
-	})
-	m.trimLocked()
-	remaining := len(m.samples)
-	m.mu.Unlock()
-
-	assert.Equal(t, 0, remaining, "old samples should be trimmed")
-}
-
-func TestInfluxDBMetrics_RecordLoginDuration(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	agentInfo := AgentInfo{
-		DeploymentType: DeploymentTypeCloud,
-		Version:        "1.0.0",
-		OS:             "linux",
-		Arch:           "amd64",
-		peerID:         "abc123",
-	}
-
-	m.RecordLoginDuration(context.Background(), agentInfo, 2500*time.Millisecond, true)
-
-	var buf bytes.Buffer
-	err := m.Export(&buf)
-	require.NoError(t, err)
-
-	output := buf.String()
-	assert.Contains(t, output, "netbird_login,")
-	assert.Contains(t, output, "duration_seconds=2.5")
-	assert.Contains(t, output, "result=success")
-}
-
-func TestInfluxDBMetrics_RecordLoginDurationFailure(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	agentInfo := AgentInfo{
-		DeploymentType: DeploymentTypeSelfHosted,
-		Version:        "1.0.0",
-		OS:             "darwin",
-		Arch:           "arm64",
-		peerID:         "xyz789",
-	}
-
-	m.RecordLoginDuration(context.Background(), agentInfo, 5*time.Second, false)
-
-	var buf bytes.Buffer
-	err := m.Export(&buf)
-	require.NoError(t, err)
-
-	output := buf.String()
-	assert.Contains(t, output, "netbird_login,")
-	assert.Contains(t, output, "result=failure")
-	assert.Contains(t, output, "deployment_type=selfhosted")
-}
-
-func TestInfluxDBMetrics_TrimBySize(t *testing.T) {
-	m := newInfluxDBMetrics().(*influxDBMetrics)
-
-	maxSamples := maxBufferSize / estimatedSampleSize
-	m.mu.Lock()
-	for i := 0; i < maxSamples+100; i++ {
-		m.samples = append(m.samples, influxSample{
-			measurement: "test",
-			tags:        "t=1",
-			fields:      map[string]float64{"v": float64(i)},
-			timestamp:   time.Now(),
-		})
-	}
-	m.trimLocked()
-	remaining := len(m.samples)
-	m.mu.Unlock()
-
-	assert.Equal(t, maxSamples, remaining, "should trim to max samples")
-}

client/internal/metrics/infra/.env.example

@@ -1,16 +0,0 @@
-# Copy to .env and adjust values before running docker compose
-
-# InfluxDB admin (server-side only, never exposed to clients)
-INFLUXDB_ADMIN_PASSWORD=changeme
-INFLUXDB_ADMIN_TOKEN=changeme
-
-# Grafana admin credentials
-GRAFANA_ADMIN_USER=admin
-GRAFANA_ADMIN_PASSWORD=changeme
-
-# Remote config served by ingest at /config
-# Set CONFIG_METRICS_SERVER_URL to the ingest server's public address to enable
-CONFIG_METRICS_SERVER_URL=
-CONFIG_VERSION_SINCE=0.0.0
-CONFIG_VERSION_UNTIL=99.99.99
-CONFIG_PERIOD_MINUTES=5

client/internal/metrics/infra/.gitignore

@@ -1 +0,0 @@
-.env

client/internal/metrics/infra/README.md

@@ -1,194 +0,0 @@
-# Client Metrics
-
-Internal documentation for the NetBird client metrics system.
-
-## Overview
-
-Client metrics track connection performance and sync durations using InfluxDB line protocol (`influxdb.go`). Each event is pushed once then cleared.
-
-Metrics collection is always active (for debug bundles). Push to backend is:
-- Disabled by default (opt-in via `NB_METRICS_PUSH_ENABLED=true`)
-- Managed at daemon layer (survives engine restarts)
-
-## Architecture
-
-### Layer Separation
-
-```text
-Daemon Layer (connect.go)
-  ├─ Creates ClientMetrics instance once
-  ├─ Starts/stops push lifecycle
-  └─ Updates AgentInfo on profile switch
-      │
-      ▼
-Engine Layer (engine.go)
-  └─ Records metrics via ClientMetrics methods
-```
-
-### Ingest Server
-
-Clients do not talk to InfluxDB directly. An ingest server sits between clients and InfluxDB:
-
-```text
-Client ──POST──▶ Ingest Server (:8087) ──▶ InfluxDB (internal)
-                  │
-                  ├─ Validates line protocol
-                  ├─ Allowlists measurements, fields, and tags
-                  ├─ Rejects out-of-bound values
-                  └─ Serves remote config at /config
-```
-
-- **No secret/token-based client auth** — the ingest server holds the InfluxDB token server-side. Clients must send a hashed peer ID via `X-Peer-ID` header.
-- **InfluxDB is not exposed** — only accessible within the docker network
-- Source: `ingest/main.go`
-
-## Metrics Collected
-
-### Connection Stage Timing
-
-Measurement: `netbird_peer_connection`
-
-| Field | Timestamps | Description |
-|-------|-----------|-------------|
-| `signaling_to_connection_seconds` | `SignalingReceived → ConnectionReady` | ICE/relay negotiation time after the first signal is received from the remote peer |
-| `connection_to_wg_handshake_seconds` | `ConnectionReady → WgHandshakeSuccess` | WireGuard cryptographic handshake latency once the transport layer is ready |
-| `total_seconds` | `SignalingReceived → WgHandshakeSuccess` | End-to-end connection time anchored at the first received signal |
-
-Tags:
-- `deployment_type`: "cloud" | "selfhosted" | "unknown"
-- `connection_type`: "ice" | "relay"
-- `attempt_type`: "initial" | "reconnection"
-- `version`: NetBird version string
-- `os`: Operating system (linux, darwin, windows, android, ios, etc.)
-- `arch`: CPU architecture (amd64, arm64, etc.)
-
-**Note:** `SignalingReceived` is set when the first offer or answer arrives from the remote peer (in both initial and reconnection paths). It excludes the potentially unbounded wait for the remote peer to come online.
-
-### Sync Duration
-
-Measurement: `netbird_sync`
-
-| Field | Description |
-|-------|-------------|
-| `duration_seconds` | Time to process a sync message from management server |
-
-Tags:
-- `deployment_type`: "cloud" | "selfhosted" | "unknown"
-- `version`: NetBird version string
-- `os`: Operating system (linux, darwin, windows, android, ios, etc.)
-- `arch`: CPU architecture (amd64, arm64, etc.)
-
-### Login Duration
-
-Measurement: `netbird_login`
-
-| Field | Description |
-|-------|-------------|
-| `duration_seconds` | Time to complete the login/auth exchange with management server |
-
-Tags:
-- `deployment_type`: "cloud" | "selfhosted" | "unknown"
-- `result`: "success" | "failure"
-- `version`: NetBird version string
-- `os`: Operating system (linux, darwin, windows, android, ios, etc.)
-- `arch`: CPU architecture (amd64, arm64, etc.)
-
-## Buffer Limits
-
-The InfluxDB backend limits in-memory sample storage to prevent unbounded growth when pushes fail:
-- **Max age:** Samples older than 5 days are dropped
-- **Max size:** Estimated buffer size capped at 5 MB (~20k samples)
-
-## Configuration
-
-### Client Environment Variables
-
-| Variable | Default | Description |
-|----------|---------|-------------|
-| `NB_METRICS_PUSH_ENABLED` | `false` | Enable metrics push to backend |
-| `NB_METRICS_SERVER_URL` | *(from remote config)* | Ingest server URL (e.g., `https://ingest.netbird.io`) |
-| `NB_METRICS_INTERVAL` | *(from remote config)* | Push interval (e.g., "1m", "30m", "4h") |
-| `NB_METRICS_FORCE_SENDING` | `false` | Skip remote config, push unconditionally |
-| `NB_METRICS_CONFIG_URL` | `https://ingest.netbird.io/config` | Remote push config URL |
-
-`NB_METRICS_SERVER_URL` and `NB_METRICS_INTERVAL` override their respective values but do not bypass remote config eligibility checks (version range). Use `NB_METRICS_FORCE_SENDING=true` to skip all remote config gating.
-
-### Ingest Server Environment Variables
-
-| Variable | Default | Description |
-|----------|---------|-------------|
-| `INGEST_LISTEN_ADDR` | `:8087` | Listen address |
-| `INFLUXDB_URL` | `http://influxdb:8086/api/v2/write?org=netbird&bucket=metrics&precision=ns` | InfluxDB write endpoint |
-| `INFLUXDB_TOKEN` | *(required)* | InfluxDB auth token (server-side only) |
-| `CONFIG_METRICS_SERVER_URL` | *(empty — disables /config)* | `server_url` in the remote config JSON (the URL clients push metrics to) |
-| `CONFIG_VERSION_SINCE` | `0.0.0` | Minimum client version to push metrics |
-| `CONFIG_VERSION_UNTIL` | `99.99.99` | Maximum client version to push metrics |
-| `CONFIG_PERIOD_MINUTES` | `5` | Push interval in minutes |
-
-The ingest server serves a remote config JSON at `GET /config` when `CONFIG_METRICS_SERVER_URL` is set. Clients can use `NB_METRICS_CONFIG_URL=http://<ingest>/config` to fetch it.
-
-### Configuration Precedence
-
-For URL and Interval, the precedence is:
-1. **Environment variable** - `NB_METRICS_SERVER_URL` / `NB_METRICS_INTERVAL`
-2. **Remote config** - fetched from `NB_METRICS_CONFIG_URL`
-3. **Default** - 5 minute interval, URL from remote config
-
-## Push Behavior
-
-1. `StartPush()` spawns background goroutine with timer
-2. First push happens immediately on startup
-3. Periodically: `push()` → `Export()` → HTTP POST to ingest server
-4. On failure: log error, continue (non-blocking)
-5. On success: `Reset()` clears pushed samples
-6. `StopPush()` cancels context and waits for goroutine
-
-Samples are collected with exact timestamps, pushed once, then cleared. No data is resent.
-
-## Local Development Setup
-
-### 1. Configure and Start Services
-
-```bash
-# From this directory (client/internal/metrics/infra)
-cp .env.example .env
-# Edit .env to set INFLUXDB_ADMIN_PASSWORD, INFLUXDB_ADMIN_TOKEN, and GRAFANA_ADMIN_PASSWORD
-docker compose up -d
-```
-
-This starts:
-- **Ingest server** on http://localhost:8087 — accepts client metrics (requires `X-Peer-ID` header, no secret/token auth)
-- **InfluxDB** — internal only, not exposed to host
-- **Grafana** on http://localhost:3001
-
-### 2. Configure Client
-
-```bash
-export NB_METRICS_PUSH_ENABLED=true
-export NB_METRICS_FORCE_SENDING=true
-export NB_METRICS_SERVER_URL=http://localhost:8087
-export NB_METRICS_INTERVAL=1m
-```
-
-### 3. Run Client
-
-```bash
-cd ../../../..
-go run ./client/ up
-```
-
-### 4. View in Grafana
-
-- **InfluxDB dashboard:** http://localhost:3001/d/netbird-influxdb-metrics
-
-### 5. Verify Data
-
-```bash
-# Query via InfluxDB (using admin token from .env)
-docker compose exec influxdb influx query \
-  'from(bucket: "metrics") |> range(start: -1h)' \
-  --org netbird
-
-# Check ingest server health
-curl http://localhost:8087/health
-```