Remove unused wait group

Remove unnecessary uapi open from Android implementation

.github/pull_request_template.md

@@ -6,5 +6,6 @@
 - [ ] Is it a bug fix
 - [ ] Is a typo/documentation fix
 - [ ] Is a feature enhancement
+- [ ] It is a refactor
 - [ ] Created tests that fail without the change (if possible)
 - [ ] Extended the README / documentation, if necessary

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

@@ -6,6 +6,10 @@ on:
       - main
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
+
 jobs:
   test:
     runs-on: macos-latest

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

@@ -6,6 +6,10 @@ on:
       - main
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
+
 jobs:
   test:
     strategy:
@@ -31,13 +35,13 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install dependencies
-        run: sudo apt update && sudo apt install -y -q libgtk-3-dev libayatana-appindicator3-dev libgl1-mesa-dev xorg-dev
+        run: sudo apt update && sudo apt install -y -q libgtk-3-dev libayatana-appindicator3-dev libgl1-mesa-dev xorg-dev gcc-multilib
 
       - name: Install modules
         run: go mod tidy
 
       - name: Test
-        run: GOARCH=${{ matrix.arch }} go test -exec 'sudo --preserve-env=CI' -timeout 5m -p 1 ./...
+        run: CGO_ENABLED=1 GOARCH=${{ matrix.arch }} go test -exec 'sudo --preserve-env=CI' -timeout 5m -p 1 ./...
 
   test_client_on_docker:
     runs-on: ubuntu-latest
@@ -66,13 +70,13 @@ jobs:
         run: go mod tidy
 
       - name: Generate Iface Test bin
-        run: go test -c -o iface-testing.bin ./iface/...
+        run: go test -c -o iface-testing.bin ./iface/
 
       - name: Generate RouteManager Test bin
         run: go test -c -o routemanager-testing.bin ./client/internal/routemanager/...
 
       - name: Generate Engine Test bin
-        run: go test -c -o engine-testing.bin ./client/internal/*.go
+        run: go test -c -o engine-testing.bin ./client/internal
 
       - name: Generate Peer Test bin
         run: go test -c -o peer-testing.bin ./client/internal/peer/...
@@ -89,4 +93,4 @@ jobs:
         run: docker run -t --cap-add=NET_ADMIN --privileged --rm -v $PWD:/ci -w /ci/client/internal --entrypoint /busybox/sh gcr.io/distroless/base:debug -c /ci/engine-testing.bin  -test.timeout 5m -test.parallel 1
 
       - name: Run Peer tests in docker
-        run: docker run -t --cap-add=NET_ADMIN --privileged --rm -v $PWD:/ci -w /ci/client/internal/peer  --entrypoint /busybox/sh gcr.io/distroless/base:debug -c /ci/peer-testing.bin  -test.timeout 5m -test.parallel 1
+        run: docker run -t --cap-add=NET_ADMIN --privileged --rm -v $PWD:/ci -w /ci/client/internal/peer  --entrypoint /busybox/sh gcr.io/distroless/base:debug -c /ci/peer-testing.bin  -test.timeout 5m -test.parallel 1

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

@@ -6,47 +6,45 @@ on:
       - main
   pull_request:
 
+env:
+  downloadPath: '${{ github.workspace }}\temp'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
+
 jobs:
-  pre:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-      - run: bash -x wireguard_nt.sh
-        working-directory: client
-
-      - uses: actions/upload-artifact@v2
-        with:
-          name: syso
-          path: client/*.syso
-          retention-days: 1
-
   test:
-    needs: pre
     runs-on: windows-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
+        id: go
         with:
           go-version: 1.19.x
 
-      - uses: actions/cache@v2
+      - name: Download wintun
+        uses: carlosperate/download-file-action@v2
+        id: download-wintun
         with:
-          path: |
-            %LocalAppData%\go-build
-            ~\go\pkg\mod
-            ~\AppData\Local\go-build
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          file-url: https://www.wintun.net/builds/wintun-0.14.1.zip
+          file-name: wintun.zip
+          location: ${{ env.downloadPath }}
+          sha256: '07c256185d6ee3652e09fa55c0b673e2624b565e02c4b9091c79ca7d2f24ef51'
 
-      - uses: actions/download-artifact@v2
-        with:
-          name: syso
-          path: iface\
+      - name: Decompressing wintun files
+        run: tar -zvxf "${{ steps.download-wintun.outputs.file-path }}" -C ${{ env.downloadPath }}
 
-      - name: Test
-        run: go test -tags=load_wgnt_from_rsrc -timeout 5m -p 1 ./...
+      - run: mv ${{ env.downloadPath }}/wintun/bin/amd64/wintun.dll 'C:\Windows\System32\'
+
+      - run: choco install -y sysinternals
+      - run: PsExec64 -s -w ${{ github.workspace }} C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe env -w GOMODCACHE=C:\Users\runneradmin\go\pkg\mod
+      - run: PsExec64 -s -w ${{ github.workspace }} C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe env -w GOCACHE=C:\Users\runneradmin\AppData\Local\go-build
+
+      - name: test
+        run: PsExec64 -s -w ${{ github.workspace }} cmd.exe /c "C:\hostedtoolcache\windows\go\${{ steps.go.outputs.go-version }}\x64\bin\go.exe test -timeout 5m -p 1 ./... > test-out.txt 2>&1"
+      - name: test output
+        if: ${{ always() }}
+        run: Get-Content test-out.txt

.github/workflows/golangci-lint.yml

@@ -1,5 +1,8 @@
 name: golangci-lint
 on: [pull_request]
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
 jobs:
   golangci:
     name: lint

.github/workflows/install-test-darwin.yml

@@ -0,0 +1,60 @@
+name: Test installation Darwin
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    paths:
+      - "release_files/install.sh"
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
+jobs:
+  install-cli-only:
+    runs-on: macos-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Rename brew package
+        if: ${{ matrix.check_bin_install }}
+        run: mv /opt/homebrew/bin/brew /opt/homebrew/bin/brew.bak
+
+      - name: Run install script
+        run: |
+          sh ./release_files/install.sh
+        env:
+          SKIP_UI_APP: true
+
+      - name: Run tests
+        run: |
+          if ! command -v netbird &> /dev/null; then
+            echo "Error: netbird is not installed"
+            exit 1
+          fi
+  install-all:
+    runs-on: macos-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Rename brew package
+        if: ${{ matrix.check_bin_install }}
+        run: mv /opt/homebrew/bin/brew /opt/homebrew/bin/brew.bak
+
+      - name: Run install script
+        run: |
+          sh ./release_files/install.sh
+
+      - name: Run tests
+        run: |
+          if ! command -v netbird &> /dev/null; then
+              echo "Error: netbird is not installed"
+              exit 1
+          fi
+
+          if [[ $(mdfind "kMDItemContentType == 'com.apple.application-bundle' && kMDItemFSName == '*NetBird UI.app'") ]]; then
+            echo "Error: NetBird UI is not installed"
+            exit 1
+          fi

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

@@ -0,0 +1,38 @@
+name: Test installation Linux
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    paths:
+      - "release_files/install.sh"
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
+jobs:
+  install-cli-only:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        check_bin_install: [true, false]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Rename apt package
+        if: ${{ matrix.check_bin_install }}
+        run: |
+          sudo mv /usr/bin/apt /usr/bin/apt.bak
+          sudo mv /usr/bin/apt-get /usr/bin/apt-get.bak
+
+      - name: Run install script
+        run: |
+          sh ./release_files/install.sh
+
+      - name: Run tests
+        run: |
+          if ! command -v netbird &> /dev/null; then
+            echo "Error: netbird is not installed"
+            exit 1
+          fi

.github/workflows/release.yml

@@ -9,8 +9,12 @@ on:
   pull_request:
 
 env:
-  SIGN_PIPE_VER: "v0.0.4"
-  GORELEASER_VER: "v1.6.3"
+  SIGN_PIPE_VER: "v0.0.6"
+  GORELEASER_VER: "v1.14.1"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
 
 jobs:
   release:
@@ -21,10 +25,6 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0 # It is required for GoReleaser to work properly
-
-      - name: Generate syso with DLL
-        run: bash -x wireguard_nt.sh
-        working-directory: client
       -
         name: Set up Go
         uses: actions/setup-go@v2
@@ -57,7 +57,19 @@ jobs:
         with:
           username: netbirdio
           password: ${{ secrets.DOCKER_TOKEN }}
+      - name: Install OS build dependencies
+        run: sudo apt update && sudo apt install -y -q gcc-arm-linux-gnueabihf gcc-aarch64-linux-gnu
 
+      - name: Install rsrc
+        run: go install github.com/akavel/rsrc@v0.10.2
+      - name: Generate windows rsrc amd64
+        run: rsrc -arch amd64 -ico client/ui/netbird.ico -manifest client/manifest.xml -o client/resources_windows_amd64.syso
+      - name: Generate windows rsrc arm64
+        run: rsrc -arch arm64 -ico client/ui/netbird.ico -manifest client/manifest.xml -o client/resources_windows_arm64.syso
+      - name: Generate windows rsrc arm
+        run: rsrc -arch arm -ico client/ui/netbird.ico -manifest client/manifest.xml -o client/resources_windows_arm.syso
+      - name: Generate windows rsrc 386
+        run: rsrc -arch 386 -ico client/ui/netbird.ico -manifest client/manifest.xml -o client/resources_windows_386.syso
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
@@ -127,7 +139,7 @@ jobs:
           retention-days: 3
 
   release_ui_darwin:
-    runs-on: macos-latest
+    runs-on: macos-11
     steps:
       -
         name: Checkout

.github/workflows/test-docker-compose-linux.yml

@@ -6,6 +6,10 @@ on:
       - main
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || github.actor_id }}
+  cancel-in-progress: true
+
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -59,6 +63,11 @@ jobs:
           CI_NETBIRD_AUTH_TOKEN_ENDPOINT: https://example.eu.auth0.com/oauth/token
           CI_NETBIRD_AUTH_DEVICE_AUTH_ENDPOINT: https://example.eu.auth0.com/oauth/device/code
           CI_NETBIRD_AUTH_REDIRECT_URI: "/peers"
+          CI_NETBIRD_TOKEN_SOURCE: "idToken"
+          CI_NETBIRD_AUTH_USER_ID_CLAIM: "email"
+          CI_NETBIRD_AUTH_DEVICE_AUTH_AUDIENCE: "super"
+          CI_NETBIRD_AUTH_DEVICE_AUTH_SCOPE: "openid email"
+
         run: |
           grep AUTH_CLIENT_ID docker-compose.yml | grep $CI_NETBIRD_AUTH_CLIENT_ID
           grep AUTH_AUTHORITY docker-compose.yml | grep $CI_NETBIRD_AUTH_AUTHORITY
@@ -68,6 +77,12 @@ jobs:
           grep NETBIRD_MGMT_API_ENDPOINT docker-compose.yml | grep "$CI_NETBIRD_DOMAIN:33073"
           grep AUTH_REDIRECT_URI docker-compose.yml | grep $CI_NETBIRD_AUTH_REDIRECT_URI
           grep AUTH_SILENT_REDIRECT_URI docker-compose.yml | egrep 'AUTH_SILENT_REDIRECT_URI=$'
+          grep LETSENCRYPT_DOMAIN docker-compose.yml | egrep 'LETSENCRYPT_DOMAIN=$'
+          grep NETBIRD_TOKEN_SOURCE docker-compose.yml | grep $CI_NETBIRD_TOKEN_SOURCE
+          grep AuthUserIDClaim management.json | grep $CI_NETBIRD_AUTH_USER_ID_CLAIM
+          grep -A 1 ProviderConfig management.json | grep Audience | grep $CI_NETBIRD_AUTH_DEVICE_AUTH_AUDIENCE
+          grep Scope management.json | grep "$CI_NETBIRD_AUTH_DEVICE_AUTH_SCOPE"
+          grep UseIDToken management.json | grep false
 
       - name: run docker compose up
         working-directory: infrastructure_files

.goreleaser.yaml

@@ -25,14 +25,20 @@ builds:
       - goos: windows
         goarch: 386
     ldflags:
-      - -s -w -X github.com/netbirdio/netbird/client/system.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+      - -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 }}'
     tags:
       - load_wgnt_from_rsrc
 
   - id: netbird-mgmt
     dir: management
-    env: [CGO_ENABLED=0]
+    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-mgmt
     goos:
       - linux
@@ -41,7 +47,7 @@ builds:
       - arm64
       - arm
     ldflags:
-      - -s -w -X github.com/netbirdio/netbird/client/system.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+      - -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-signal
@@ -55,7 +61,7 @@ builds:
       - arm64
       - arm
     ldflags:
-      - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+      - -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 }}'
 
 archives:

.goreleaser_ui.yaml

@@ -10,7 +10,7 @@ builds:
     goarch:
       - amd64
     ldflags:
-      - -s -w -X github.com/netbirdio/netbird/client/system.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+      - -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-ui-windows
@@ -24,7 +24,7 @@ builds:
     goarch:
       - amd64
     ldflags:
-      - -s -w -X github.com/netbirdio/netbird/client/system.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+      - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
       - -H windowsgui
     mod_timestamp: '{{ .CommitTimestamp }}'
 

.goreleaser_ui_darwin.yaml

@@ -14,7 +14,7 @@ builds:
       - hardfloat
       - softfloat
     ldflags:
-      - -s -w -X github.com/netbirdio/netbird/client/system.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+      - -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 }}'
     tags:
       - load_wgnt_from_rsrc

README.md

@@ -1,5 +1,5 @@
 <p align="center">
- <strong>:hatching_chick: New Release! DNS support.</strong>
+ <strong>:hatching_chick: New Release! Peer expiration.</strong>
   <a href="https://github.com/netbirdio/netbird/releases">
        Learn more
      </a>   
@@ -56,10 +56,10 @@ NetBird uses [NAT traversal techniques](https://en.wikipedia.org/wiki/Interactiv
 - \[x] Remote SSH access without managing SSH keys.
 - \[x] Network Routes.  
 - \[x] Private DNS.
+- \[x] Network Activity Monitoring.
 
 **Coming soon:**
 -  \[ ] Mobile clients.
--  \[ ] Network Activity Monitoring.
 
 ### Secure peer-to-peer VPN with SSO and MFA in minutes
 
@@ -98,6 +98,7 @@ See a complete [architecture overview](https://netbird.io/docs/overview/architec
 
 ### Community projects
 -  [NetBird on OpenWRT](https://github.com/messense/openwrt-netbird)
+-  [NetBird installer script](https://github.com/physk/netbird-installer)
 
 ### Support acknowledgement
 

client/Dockerfile

@@ -1,5 +1,5 @@
 FROM gcr.io/distroless/base:debug
-ENV WT_LOG_FILE=console
+ENV NB_FOREGROUND_MODE=true
 ENV PATH=/sbin:/usr/sbin:/bin:/usr/bin:/busybox
 SHELL ["/busybox/sh","-c"]
 RUN sed -i -E 's/(^root:.+)\/sbin\/nologin/\1\/busybox\/sh/g' /etc/passwd

client/android/client.go

@@ -0,0 +1,129 @@
+package android
+
+import (
+	"context"
+	"sync"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/client/internal"
+	"github.com/netbirdio/netbird/client/internal/peer"
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+	"github.com/netbirdio/netbird/client/system"
+	"github.com/netbirdio/netbird/formatter"
+	"github.com/netbirdio/netbird/iface"
+)
+
+// ConnectionListener export internal Listener for mobile
+type ConnectionListener interface {
+	peer.Listener
+}
+
+// TunAdapter export internal TunAdapter for mobile
+type TunAdapter interface {
+	iface.TunAdapter
+}
+
+// IFaceDiscover export internal IFaceDiscover for mobile
+type IFaceDiscover interface {
+	stdnet.ExternalIFaceDiscover
+}
+
+func init() {
+	formatter.SetLogcatFormatter(log.StandardLogger())
+}
+
+// Client struct manage the life circle of background service
+type Client struct {
+	cfgFile       string
+	tunAdapter    iface.TunAdapter
+	iFaceDiscover IFaceDiscover
+	recorder      *peer.Status
+	ctxCancel     context.CancelFunc
+	ctxCancelLock *sync.Mutex
+	deviceName    string
+}
+
+// NewClient instantiate a new Client
+func NewClient(cfgFile, deviceName string, tunAdapter TunAdapter, iFaceDiscover IFaceDiscover) *Client {
+	lvl, _ := log.ParseLevel("trace")
+	log.SetLevel(lvl)
+
+	return &Client{
+		cfgFile:       cfgFile,
+		deviceName:    deviceName,
+		tunAdapter:    tunAdapter,
+		iFaceDiscover: iFaceDiscover,
+		recorder:      peer.NewRecorder(""),
+		ctxCancelLock: &sync.Mutex{},
+	}
+}
+
+// Run start the internal client. It is a blocker function
+func (c *Client) Run(urlOpener URLOpener) error {
+	cfg, err := internal.UpdateOrCreateConfig(internal.ConfigInput{
+		ConfigPath: c.cfgFile,
+	})
+	if err != nil {
+		return err
+	}
+	c.recorder.UpdateManagementAddress(cfg.ManagementURL.String())
+
+	var ctx context.Context
+	//nolint
+	ctxWithValues := context.WithValue(context.Background(), system.DeviceNameCtxKey, c.deviceName)
+	c.ctxCancelLock.Lock()
+	ctx, c.ctxCancel = context.WithCancel(ctxWithValues)
+	defer c.ctxCancel()
+	c.ctxCancelLock.Unlock()
+
+	auth := NewAuthWithConfig(ctx, cfg)
+	err = auth.login(urlOpener)
+	if err != nil {
+		return err
+	}
+
+	// todo do not throw error in case of cancelled context
+	ctx = internal.CtxInitState(ctx)
+	return internal.RunClient(ctx, cfg, c.recorder, c.tunAdapter, c.iFaceDiscover)
+}
+
+// Stop the internal client and free the resources
+func (c *Client) Stop() {
+	c.ctxCancelLock.Lock()
+	defer c.ctxCancelLock.Unlock()
+	if c.ctxCancel == nil {
+		return
+	}
+
+	c.ctxCancel()
+}
+
+// PeersList return with the list of the PeerInfos
+func (c *Client) PeersList() *PeerInfoArray {
+
+	fullStatus := c.recorder.GetFullStatus()
+
+	peerInfos := make([]PeerInfo, len(fullStatus.Peers))
+	for n, p := range fullStatus.Peers {
+		pi := PeerInfo{
+			p.IP,
+			p.FQDN,
+			p.ConnStatus.String(),
+			p.Direct,
+		}
+		peerInfos[n] = pi
+	}
+
+	return &PeerInfoArray{items: peerInfos}
+}
+
+// SetConnectionListener set the network connection listener
+func (c *Client) SetConnectionListener(listener ConnectionListener) {
+	c.recorder.SetConnectionListener(listener)
+}
+
+// RemoveConnectionListener remove connection listener
+func (c *Client) RemoveConnectionListener() {
+	c.recorder.RemoveConnectionListener()
+}

client/android/login.go

@@ -0,0 +1,229 @@
+package android
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/cenkalti/backoff/v4"
+
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc/codes"
+	gstatus "google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/cmd"
+	"github.com/netbirdio/netbird/client/system"
+
+	"github.com/netbirdio/netbird/client/internal"
+)
+
+// SSOListener is async listener for mobile framework
+type SSOListener interface {
+	OnSuccess(bool)
+	OnError(error)
+}
+
+// ErrListener is async listener for mobile framework
+type ErrListener interface {
+	OnSuccess()
+	OnError(error)
+}
+
+// URLOpener it is a callback interface. The Open function will be triggered if
+// the backend want to show an url for the user
+type URLOpener interface {
+	Open(string)
+}
+
+// Auth can register or login new client
+type Auth struct {
+	ctx     context.Context
+	config  *internal.Config
+	cfgPath string
+}
+
+// NewAuth instantiate Auth struct and validate the management URL
+func NewAuth(cfgPath string, mgmURL string) (*Auth, error) {
+	inputCfg := internal.ConfigInput{
+		ManagementURL: mgmURL,
+	}
+
+	cfg, err := internal.CreateInMemoryConfig(inputCfg)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Auth{
+		ctx:     context.Background(),
+		config:  cfg,
+		cfgPath: cfgPath,
+	}, nil
+}
+
+// NewAuthWithConfig instantiate Auth based on existing config
+func NewAuthWithConfig(ctx context.Context, config *internal.Config) *Auth {
+	return &Auth{
+		ctx:    ctx,
+		config: config,
+	}
+}
+
+// SaveConfigIfSSOSupported test the connectivity with the management server by retrieving the server device flow info.
+// If it returns a flow info than save the configuration and return true. If it gets a codes.NotFound, it means that SSO
+// is not supported and returns false without saving the configuration. For other errors return false.
+func (a *Auth) SaveConfigIfSSOSupported(listener SSOListener) {
+	go func() {
+		sso, err := a.saveConfigIfSSOSupported()
+		if err != nil {
+			listener.OnError(err)
+		} else {
+			listener.OnSuccess(sso)
+		}
+	}()
+}
+
+func (a *Auth) saveConfigIfSSOSupported() (bool, error) {
+	supportsSSO := true
+	err := a.withBackOff(a.ctx, func() (err error) {
+		_, err = internal.GetDeviceAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
+		if s, ok := gstatus.FromError(err); ok && s.Code() == codes.NotFound {
+			supportsSSO = false
+			err = nil
+		}
+		return err
+	})
+
+	if !supportsSSO {
+		return false, nil
+	}
+
+	if err != nil {
+		return false, fmt.Errorf("backoff cycle failed: %v", err)
+	}
+
+	err = internal.WriteOutConfig(a.cfgPath, a.config)
+	return true, err
+}
+
+// LoginWithSetupKeyAndSaveConfig test the connectivity with the management server with the setup key.
+func (a *Auth) LoginWithSetupKeyAndSaveConfig(resultListener ErrListener, setupKey string, deviceName string) {
+	go func() {
+		err := a.loginWithSetupKeyAndSaveConfig(setupKey, deviceName)
+		if err != nil {
+			resultListener.OnError(err)
+		} else {
+			resultListener.OnSuccess()
+		}
+	}()
+}
+
+func (a *Auth) loginWithSetupKeyAndSaveConfig(setupKey string, deviceName string) error {
+	//nolint
+	ctxWithValues := context.WithValue(a.ctx, system.DeviceNameCtxKey, deviceName)
+
+	err := a.withBackOff(a.ctx, func() error {
+		backoffErr := internal.Login(ctxWithValues, a.config, setupKey, "")
+		if s, ok := gstatus.FromError(backoffErr); ok && (s.Code() == codes.PermissionDenied) {
+			// we got an answer from management, exit backoff earlier
+			return backoff.Permanent(backoffErr)
+		}
+		return backoffErr
+	})
+	if err != nil {
+		return fmt.Errorf("backoff cycle failed: %v", err)
+	}
+
+	return internal.WriteOutConfig(a.cfgPath, a.config)
+}
+
+// Login try register the client on the server
+func (a *Auth) Login(resultListener ErrListener, urlOpener URLOpener) {
+	go func() {
+		err := a.login(urlOpener)
+		if err != nil {
+			resultListener.OnError(err)
+		} else {
+			resultListener.OnSuccess()
+		}
+	}()
+}
+
+func (a *Auth) login(urlOpener URLOpener) error {
+	var needsLogin bool
+
+	// check if we need to generate JWT token
+	err := a.withBackOff(a.ctx, func() (err error) {
+		needsLogin, err = internal.IsLoginRequired(a.ctx, a.config.PrivateKey, a.config.ManagementURL, a.config.SSHKey)
+		return
+	})
+	if err != nil {
+		return fmt.Errorf("backoff cycle failed: %v", err)
+	}
+
+	jwtToken := ""
+	if needsLogin {
+		tokenInfo, err := a.foregroundGetTokenInfo(urlOpener)
+		if err != nil {
+			return fmt.Errorf("interactive sso login failed: %v", err)
+		}
+		jwtToken = tokenInfo.GetTokenToUse()
+	}
+
+	err = a.withBackOff(a.ctx, func() error {
+		err := internal.Login(a.ctx, a.config, "", jwtToken)
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied) {
+			return nil
+		}
+		return err
+	})
+	if err != nil {
+		return fmt.Errorf("backoff cycle failed: %v", err)
+	}
+
+	return nil
+}
+
+func (a *Auth) foregroundGetTokenInfo(urlOpener URLOpener) (*internal.TokenInfo, error) {
+	providerConfig, err := internal.GetDeviceAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
+	if err != nil {
+		s, ok := gstatus.FromError(err)
+		if ok && s.Code() == codes.NotFound {
+			return nil, fmt.Errorf("no SSO provider returned from management. " +
+				"If you are using hosting Netbird see documentation at " +
+				"https://github.com/netbirdio/netbird/tree/main/management for details")
+		} else if ok && s.Code() == codes.Unimplemented {
+			return nil, fmt.Errorf("the management server, %s, does not support SSO providers, "+
+				"please update your servver or use Setup Keys to login", a.config.ManagementURL)
+		} else {
+			return nil, fmt.Errorf("getting device authorization flow info failed with error: %v", err)
+		}
+	}
+
+	hostedClient := internal.NewHostedDeviceFlow(providerConfig.ProviderConfig)
+
+	flowInfo, err := hostedClient.RequestDeviceCode(context.TODO())
+	if err != nil {
+		return nil, fmt.Errorf("getting a request device code failed: %v", err)
+	}
+
+	go urlOpener.Open(flowInfo.VerificationURIComplete)
+
+	waitTimeout := time.Duration(flowInfo.ExpiresIn)
+	waitCTX, cancel := context.WithTimeout(a.ctx, waitTimeout*time.Second)
+	defer cancel()
+	tokenInfo, err := hostedClient.WaitToken(waitCTX, flowInfo)
+	if err != nil {
+		return nil, fmt.Errorf("waiting for browser login failed: %v", err)
+	}
+
+	return &tokenInfo, nil
+}
+
+func (a *Auth) withBackOff(ctx context.Context, bf func() error) error {
+	return backoff.RetryNotify(
+		bf,
+		backoff.WithContext(cmd.CLIBackOffSettings, ctx),
+		func(err error, duration time.Duration) {
+			log.Warnf("retrying Login to the Management service in %v due to error %v", duration, err)
+		})
+}

client/android/peer_notifier.go

@@ -0,0 +1,37 @@
+package android
+
+// PeerInfo describe information about the peers. It designed for the UI usage
+type PeerInfo struct {
+	IP         string
+	FQDN       string
+	ConnStatus string // Todo replace to enum
+	Direct     bool
+}
+
+// PeerInfoCollection made for Java layer to get non default types as collection
+type PeerInfoCollection interface {
+	Add(s string) PeerInfoCollection
+	Get(i int) string
+	Size() int
+}
+
+// PeerInfoArray is the implementation of the PeerInfoCollection
+type PeerInfoArray struct {
+	items []PeerInfo
+}
+
+// Add new PeerInfo to the collection
+func (array PeerInfoArray) Add(s PeerInfo) PeerInfoArray {
+	array.items = append(array.items, s)
+	return array
+}
+
+// Get return an element of the collection
+func (array PeerInfoArray) Get(i int) *PeerInfo {
+	return &array.items[i]
+}
+
+// Size return with the size of the collection
+func (array PeerInfoArray) Size() int {
+	return len(array.items)
+}

client/android/preferences.go

@@ -0,0 +1,78 @@
+package android
+
+import (
+	"github.com/netbirdio/netbird/client/internal"
+)
+
+// Preferences export a subset of the internal config for gomobile
+type Preferences struct {
+	configInput internal.ConfigInput
+}
+
+// NewPreferences create new Preferences instance
+func NewPreferences(configPath string) *Preferences {
+	ci := internal.ConfigInput{
+		ConfigPath: configPath,
+	}
+	return &Preferences{ci}
+}
+
+// GetManagementURL read url from config file
+func (p *Preferences) GetManagementURL() (string, error) {
+	if p.configInput.ManagementURL != "" {
+		return p.configInput.ManagementURL, nil
+	}
+
+	cfg, err := internal.ReadConfig(p.configInput.ConfigPath)
+	if err != nil {
+		return "", err
+	}
+	return cfg.ManagementURL.String(), err
+}
+
+// SetManagementURL store the given url and wait for commit
+func (p *Preferences) SetManagementURL(url string) {
+	p.configInput.ManagementURL = url
+}
+
+// GetAdminURL read url from config file
+func (p *Preferences) GetAdminURL() (string, error) {
+	if p.configInput.AdminURL != "" {
+		return p.configInput.AdminURL, nil
+	}
+
+	cfg, err := internal.ReadConfig(p.configInput.ConfigPath)
+	if err != nil {
+		return "", err
+	}
+	return cfg.AdminURL.String(), err
+}
+
+// SetAdminURL store the given url and wait for commit
+func (p *Preferences) SetAdminURL(url string) {
+	p.configInput.AdminURL = url
+}
+
+// GetPreSharedKey read preshared key from config file
+func (p *Preferences) GetPreSharedKey() (string, error) {
+	if p.configInput.PreSharedKey != nil {
+		return *p.configInput.PreSharedKey, nil
+	}
+
+	cfg, err := internal.ReadConfig(p.configInput.ConfigPath)
+	if err != nil {
+		return "", err
+	}
+	return cfg.PreSharedKey, err
+}
+
+// SetPreSharedKey store the given key and wait for commit
+func (p *Preferences) SetPreSharedKey(key string) {
+	p.configInput.PreSharedKey = &key
+}
+
+// Commit write out the changes into config file
+func (p *Preferences) Commit() error {
+	_, err := internal.UpdateOrCreateConfig(p.configInput)
+	return err
+}

client/android/preferences_test.go

@@ -0,0 +1,120 @@
+package android
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/netbirdio/netbird/client/internal"
+)
+
+func TestPreferences_DefaultValues(t *testing.T) {
+	cfgFile := filepath.Join(t.TempDir(), "netbird.json")
+	p := NewPreferences(cfgFile)
+	defaultVar, err := p.GetAdminURL()
+	if err != nil {
+		t.Fatalf("failed to read default value: %s", err)
+	}
+
+	if defaultVar != internal.DefaultAdminURL {
+		t.Errorf("invalid default admin url: %s", defaultVar)
+	}
+
+	defaultVar, err = p.GetManagementURL()
+	if err != nil {
+		t.Fatalf("failed to read default management URL: %s", err)
+	}
+
+	if defaultVar != internal.DefaultManagementURL {
+		t.Errorf("invalid default management url: %s", defaultVar)
+	}
+
+	var preSharedKey string
+	preSharedKey, err = p.GetPreSharedKey()
+	if err != nil {
+		t.Fatalf("failed to read default preshared key: %s", err)
+	}
+
+	if preSharedKey != "" {
+		t.Errorf("invalid preshared key: %s", preSharedKey)
+	}
+}
+
+func TestPreferences_ReadUncommitedValues(t *testing.T) {
+	exampleString := "exampleString"
+	cfgFile := filepath.Join(t.TempDir(), "netbird.json")
+	p := NewPreferences(cfgFile)
+
+	p.SetAdminURL(exampleString)
+	resp, err := p.GetAdminURL()
+	if err != nil {
+		t.Fatalf("failed to read admin url: %s", err)
+	}
+
+	if resp != exampleString {
+		t.Errorf("unexpected admin url: %s", resp)
+	}
+
+	p.SetManagementURL(exampleString)
+	resp, err = p.GetManagementURL()
+	if err != nil {
+		t.Fatalf("failed to read managmenet url: %s", err)
+	}
+
+	if resp != exampleString {
+		t.Errorf("unexpected managemenet url: %s", resp)
+	}
+
+	p.SetPreSharedKey(exampleString)
+	resp, err = p.GetPreSharedKey()
+	if err != nil {
+		t.Fatalf("failed to read preshared key: %s", err)
+	}
+
+	if resp != exampleString {
+		t.Errorf("unexpected preshared key: %s", resp)
+	}
+}
+
+func TestPreferences_Commit(t *testing.T) {
+	exampleURL := "https://myurl.com:443"
+	examplePresharedKey := "topsecret"
+	cfgFile := filepath.Join(t.TempDir(), "netbird.json")
+	p := NewPreferences(cfgFile)
+
+	p.SetAdminURL(exampleURL)
+	p.SetManagementURL(exampleURL)
+	p.SetPreSharedKey(examplePresharedKey)
+
+	err := p.Commit()
+	if err != nil {
+		t.Fatalf("failed to save changes: %s", err)
+	}
+
+	p = NewPreferences(cfgFile)
+	resp, err := p.GetAdminURL()
+	if err != nil {
+		t.Fatalf("failed to read admin url: %s", err)
+	}
+
+	if resp != exampleURL {
+		t.Errorf("unexpected admin url: %s", resp)
+	}
+
+	resp, err = p.GetManagementURL()
+	if err != nil {
+		t.Fatalf("failed to read managmenet url: %s", err)
+	}
+
+	if resp != exampleURL {
+		t.Errorf("unexpected managemenet url: %s", resp)
+	}
+
+	resp, err = p.GetPreSharedKey()
+	if err != nil {
+		t.Fatalf("failed to read preshared key: %s", err)
+	}
+
+	if resp != examplePresharedKey {
+		t.Errorf("unexpected preshared key: %s", resp)
+	}
+}

client/cmd/down.go

@@ -15,7 +15,7 @@ var downCmd = &cobra.Command{
 	Use:   "down",
 	Short: "down netbird connections",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 

client/cmd/login.go

@@ -3,10 +3,11 @@ package cmd
 import (
 	"context"
 	"fmt"
+	"time"
+
 	"github.com/skratchdot/open-golang/open"
 	"google.golang.org/grpc/codes"
 	gstatus "google.golang.org/grpc/status"
-	"time"
 
 	"github.com/netbirdio/netbird/util"
 
@@ -20,7 +21,7 @@ var loginCmd = &cobra.Command{
 	Use:   "login",
 	Short: "login to the Netbird Management Service (first run)",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 
@@ -38,7 +39,12 @@ var loginCmd = &cobra.Command{
 				return err
 			}
 
-			config, err := internal.GetConfig(managementURL, adminURL, configPath, preSharedKey)
+			config, err := internal.UpdateOrCreateConfig(internal.ConfigInput{
+				ManagementURL: managementURL,
+				AdminURL:      adminURL,
+				ConfigPath:    configPath,
+				PreSharedKey:  &preSharedKey,
+			})
 			if err != nil {
 				return fmt.Errorf("get config file: %v", err)
 			}
@@ -129,7 +135,7 @@ func foregroundLogin(ctx context.Context, cmd *cobra.Command, config *internal.C
 		if err != nil {
 			return fmt.Errorf("interactive sso login failed: %v", err)
 		}
-		jwtToken = tokenInfo.AccessToken
+		jwtToken = tokenInfo.GetTokenToUse()
 	}
 
 	err = WithBackOff(func() error {
@@ -147,7 +153,7 @@ func foregroundLogin(ctx context.Context, cmd *cobra.Command, config *internal.C
 }
 
 func foregroundGetTokenInfo(ctx context.Context, cmd *cobra.Command, config *internal.Config) (*internal.TokenInfo, error) {
-	providerConfig, err := internal.GetDeviceAuthorizationFlowInfo(ctx, config)
+	providerConfig, err := internal.GetDeviceAuthorizationFlowInfo(ctx, config.PrivateKey, config.ManagementURL)
 	if err != nil {
 		s, ok := gstatus.FromError(err)
 		if ok && s.Code() == codes.NotFound {
@@ -157,7 +163,7 @@ func foregroundGetTokenInfo(ctx context.Context, cmd *cobra.Command, config *int
 		} else if ok && s.Code() == codes.Unimplemented {
 			mgmtURL := managementURL
 			if mgmtURL == "" {
-				mgmtURL = internal.ManagementURLDefault().String()
+				mgmtURL = internal.DefaultManagementURL
 			}
 			return nil, fmt.Errorf("the management server, %s, does not support SSO providers, "+
 				"please update your servver or use Setup Keys to login", mgmtURL)
@@ -166,12 +172,7 @@ func foregroundGetTokenInfo(ctx context.Context, cmd *cobra.Command, config *int
 		}
 	}
 
-	hostedClient := internal.NewHostedDeviceFlow(
-		providerConfig.ProviderConfig.Audience,
-		providerConfig.ProviderConfig.ClientID,
-		providerConfig.ProviderConfig.TokenEndpoint,
-		providerConfig.ProviderConfig.DeviceAuthEndpoint,
-	)
+	hostedClient := internal.NewHostedDeviceFlow(providerConfig.ProviderConfig)
 
 	flowInfo, err := hostedClient.RequestDeviceCode(context.TODO())
 	if err != nil {

client/cmd/root.go

@@ -24,6 +24,11 @@ import (
 	"github.com/netbirdio/netbird/client/internal"
 )
 
+const (
+	externalIPMapFlag  = "external-ip-map"
+	dnsResolverAddress = "dns-resolver-address"
+)
+
 var (
 	configPath              string
 	defaultConfigPathDir    string
@@ -41,6 +46,8 @@ var (
 	adminURL                string
 	setupKey                string
 	preSharedKey            string
+	natExternalIPs          []string
+	customDNSAddress        string
 	rootCmd                 = &cobra.Command{
 		Use:          "netbird",
 		Short:        "",
@@ -80,12 +87,12 @@ func init() {
 		defaultDaemonAddr = "tcp://127.0.0.1:41731"
 	}
 	rootCmd.PersistentFlags().StringVar(&daemonAddr, "daemon-addr", defaultDaemonAddr, "Daemon service address to serve CLI requests [unix|tcp]://[path|host:port]")
-	rootCmd.PersistentFlags().StringVar(&managementURL, "management-url", "", fmt.Sprintf("Management Service URL [http|https]://[host]:[port] (default \"%s\")", internal.ManagementURLDefault().String()))
-	rootCmd.PersistentFlags().StringVar(&adminURL, "admin-url", "https://app.netbird.io", "Admin Panel URL [http|https]://[host]:[port]")
-	rootCmd.PersistentFlags().StringVar(&configPath, "config", defaultConfigPath, "Netbird config file location")
-	rootCmd.PersistentFlags().StringVar(&logLevel, "log-level", "info", "sets Netbird log level")
+	rootCmd.PersistentFlags().StringVarP(&managementURL, "management-url", "m", "", fmt.Sprintf("Management Service URL [http|https]://[host]:[port] (default \"%s\")", internal.DefaultManagementURL))
+	rootCmd.PersistentFlags().StringVar(&adminURL, "admin-url", "", fmt.Sprintf("Admin Panel URL [http|https]://[host]:[port] (default \"%s\")", internal.DefaultAdminURL))
+	rootCmd.PersistentFlags().StringVarP(&configPath, "config", "c", defaultConfigPath, "Netbird config file location")
+	rootCmd.PersistentFlags().StringVarP(&logLevel, "log-level", "l", "info", "sets Netbird log level")
 	rootCmd.PersistentFlags().StringVar(&logFile, "log-file", defaultLogFile, "sets Netbird log path. If console is specified the the log will be output to stdout")
-	rootCmd.PersistentFlags().StringVar(&setupKey, "setup-key", "", "Setup key obtained from the Management Service Dashboard (used to register peer)")
+	rootCmd.PersistentFlags().StringVarP(&setupKey, "setup-key", "k", "", "Setup key obtained from the Management Service Dashboard (used to register peer)")
 	rootCmd.PersistentFlags().StringVar(&preSharedKey, "preshared-key", "", "Sets Wireguard PreSharedKey property. If set, then only peers that have the same key can communicate.")
 	rootCmd.AddCommand(serviceCmd)
 	rootCmd.AddCommand(upCmd)
@@ -96,6 +103,19 @@ func init() {
 	rootCmd.AddCommand(sshCmd)
 	serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd) // service control commands are subcommands of service
 	serviceCmd.AddCommand(installCmd, uninstallCmd)              // service installer commands are subcommands of service
+	upCmd.PersistentFlags().StringSliceVar(&natExternalIPs, externalIPMapFlag, nil,
+		`Sets external IPs maps between local addresses and interfaces.`+
+			`You can specify a comma-separated list with a single IP and IP/IP or IP/Interface Name. `+
+			`An empty string "" clears the previous configuration. `+
+			`E.g. --external-ip-map 12.34.56.78/10.0.0.1 or --external-ip-map 12.34.56.200,12.34.56.78/10.0.0.1,12.34.56.80/eth1 `+
+			`or --external-ip-map ""`,
+	)
+	upCmd.PersistentFlags().StringVar(&customDNSAddress, dnsResolverAddress, "",
+		`Sets a custom address for NetBird's local DNS resolver. `+
+			`If set, the agent won't attempt to discover the best ip and port to listen on. `+
+			`An empty string "" clears the previous configuration. `+
+			`E.g. --dns-resolver-address 127.0.0.1:5053 or --dns-resolver-address ""`,
+	)
 }
 
 // SetupCloseHandler handles SIGTERM signal and exits with success
@@ -115,8 +135,8 @@ func SetupCloseHandler(ctx context.Context, cancel context.CancelFunc) {
 }
 
 // SetFlagsFromEnvVars reads and updates flag values from environment variables with prefix WT_
-func SetFlagsFromEnvVars() {
-	flags := rootCmd.PersistentFlags()
+func SetFlagsFromEnvVars(cmd *cobra.Command) {
+	flags := cmd.PersistentFlags()
 	flags.VisitAll(func(f *pflag.Flag) {
 		oldEnvVar := FlagNameToEnvVar(f.Name, "WT_")
 

client/cmd/root_test.go

@@ -0,0 +1,36 @@
+package cmd
+
+import (
+	"fmt"
+	"io"
+	"testing"
+)
+
+func TestInitCommands(t *testing.T) {
+	helpFlag := "-h"
+	commandArgs := [][]string{{"root", helpFlag}}
+	for _, command := range rootCmd.Commands() {
+		commandArgs = append(commandArgs, []string{command.Name(), command.Name(), helpFlag})
+		for _, subcommand := range command.Commands() {
+			commandArgs = append(commandArgs, []string{command.Name() + " " + subcommand.Name(), command.Name(), subcommand.Name(), helpFlag})
+		}
+	}
+
+	for _, args := range commandArgs {
+		t.Run(fmt.Sprintf("Testing Command %s", args[0]), func(t *testing.T) {
+			defer func() {
+				err := recover()
+				if err != nil {
+					t.Fatalf("got an panic error while running the command: %s -h. Error: %s", args[0], err)
+				}
+			}()
+
+			rootCmd.SetArgs(args[1:])
+			rootCmd.SetOut(io.Discard)
+			if err := rootCmd.Execute(); err != nil {
+				t.Errorf("expected no error while running %s command, got %v", args[0], err)
+				return
+			}
+		})
+	}
+}

client/cmd/service_controller.go

@@ -54,7 +54,7 @@ func (p *program) Start(svc service.Service) error {
 			}
 		}
 
-		serverInstance := server.New(p.ctx, managementURL, adminURL, configPath, logFile)
+		serverInstance := server.New(p.ctx, configPath, logFile)
 		if err := serverInstance.Start(); err != nil {
 			log.Fatalf("failed to start daemon: %v", err)
 		}
@@ -84,7 +84,7 @@ var runCmd = &cobra.Command{
 	Use:   "run",
 	Short: "runs Netbird as service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 
@@ -118,7 +118,7 @@ var startCmd = &cobra.Command{
 	Use:   "start",
 	Short: "starts Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 
@@ -153,7 +153,7 @@ var stopCmd = &cobra.Command{
 	Use:   "stop",
 	Short: "stops Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 
@@ -186,7 +186,7 @@ var restartCmd = &cobra.Command{
 	Use:   "restart",
 	Short: "restarts Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 

client/cmd/service_installer.go

@@ -13,7 +13,7 @@ var installCmd = &cobra.Command{
 	Use:   "install",
 	Short: "installs Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 
@@ -86,7 +86,7 @@ var uninstallCmd = &cobra.Command{
 	Use:   "uninstall",
 	Short: "uninstalls Netbird service from system",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 

client/cmd/ssh.go

@@ -4,15 +4,17 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/netbirdio/netbird/client/internal"
-	nbssh "github.com/netbirdio/netbird/client/ssh"
-	"github.com/netbirdio/netbird/util"
-	log "github.com/sirupsen/logrus"
-	"github.com/spf13/cobra"
 	"os"
 	"os/signal"
 	"strings"
 	"syscall"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+
+	"github.com/netbirdio/netbird/client/internal"
+	nbssh "github.com/netbirdio/netbird/client/ssh"
+	"github.com/netbirdio/netbird/util"
 )
 
 var (
@@ -40,7 +42,8 @@ var sshCmd = &cobra.Command{
 	},
 	Short: "connect to a remote SSH server",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
+		SetFlagsFromEnvVars(cmd)
 
 		cmd.SetOut(cmd.OutOrStdout())
 
@@ -56,7 +59,9 @@ var sshCmd = &cobra.Command{
 
 		ctx := internal.CtxInitState(cmd.Context())
 
-		config, err := internal.ReadConfig("", "", configPath, nil)
+		config, err := internal.UpdateConfig(internal.ConfigInput{
+			ConfigPath: configPath,
+		})
 		if err != nil {
 			return err
 		}

client/cmd/status.go

@@ -2,25 +2,74 @@ package cmd
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"net"
 	"net/netip"
 	"sort"
 	"strings"
+	"time"
+
+	"github.com/spf13/cobra"
+	"google.golang.org/grpc/status"
+	"gopkg.in/yaml.v3"
 
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/proto"
-	nbStatus "github.com/netbirdio/netbird/client/status"
-	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/util"
-	"github.com/spf13/cobra"
-	"google.golang.org/grpc/status"
+	"github.com/netbirdio/netbird/version"
 )
 
+type peerStateDetailOutput struct {
+	FQDN             string           `json:"fqdn" yaml:"fqdn"`
+	IP               string           `json:"netbirdIp" yaml:"netbirdIp"`
+	PubKey           string           `json:"publicKey" yaml:"publicKey"`
+	Status           string           `json:"status" yaml:"status"`
+	LastStatusUpdate time.Time        `json:"lastStatusUpdate" yaml:"lastStatusUpdate"`
+	ConnType         string           `json:"connectionType" yaml:"connectionType"`
+	Direct           bool             `json:"direct" yaml:"direct"`
+	IceCandidateType iceCandidateType `json:"iceCandidateType" yaml:"iceCandidateType"`
+}
+
+type peersStateOutput struct {
+	Total     int                     `json:"total" yaml:"total"`
+	Connected int                     `json:"connected" yaml:"connected"`
+	Details   []peerStateDetailOutput `json:"details" yaml:"details"`
+}
+
+type signalStateOutput struct {
+	URL       string `json:"url" yaml:"url"`
+	Connected bool   `json:"connected" yaml:"connected"`
+}
+
+type managementStateOutput struct {
+	URL       string `json:"url" yaml:"url"`
+	Connected bool   `json:"connected" yaml:"connected"`
+}
+
+type iceCandidateType struct {
+	Local  string `json:"local" yaml:"local"`
+	Remote string `json:"remote" yaml:"remote"`
+}
+
+type statusOutputOverview struct {
+	Peers           peersStateOutput      `json:"peers" yaml:"peers"`
+	CliVersion      string                `json:"cliVersion" yaml:"cliVersion"`
+	DaemonVersion   string                `json:"daemonVersion" yaml:"daemonVersion"`
+	ManagementState managementStateOutput `json:"management" yaml:"management"`
+	SignalState     signalStateOutput     `json:"signal" yaml:"signal"`
+	IP              string                `json:"netbirdIp" yaml:"netbirdIp"`
+	PubKey          string                `json:"publicKey" yaml:"publicKey"`
+	KernelInterface bool                  `json:"usesKernelInterface" yaml:"usesKernelInterface"`
+	FQDN            string                `json:"fqdn" yaml:"fqdn"`
+}
+
 var (
 	detailFlag   bool
 	ipv4Flag     bool
+	jsonFlag     bool
+	yamlFlag     bool
 	ipsFilter    []string
 	statusFilter string
 	ipsFilterMap map[string]struct{}
@@ -29,67 +78,99 @@ var (
 var statusCmd = &cobra.Command{
 	Use:   "status",
 	Short: "status of the Netbird Service",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
-
-		cmd.SetOut(cmd.OutOrStdout())
-
-		err := parseFilters()
-		if err != nil {
-			return err
-		}
-
-		err = util.InitLog(logLevel, "console")
-		if err != nil {
-			return fmt.Errorf("failed initializing log %v", err)
-		}
-
-		ctx := internal.CtxInitState(context.Background())
-
-		conn, err := DialClientGRPCServer(ctx, daemonAddr)
-		if err != nil {
-			return fmt.Errorf("failed to connect to daemon error: %v\n"+
-				"If the daemon is not running please run: "+
-				"\nnetbird service install \nnetbird service start\n", err)
-		}
-		defer conn.Close()
-
-		resp, err := proto.NewDaemonServiceClient(conn).Status(cmd.Context(), &proto.StatusRequest{GetFullPeerStatus: true})
-		if err != nil {
-			return fmt.Errorf("status failed: %v", status.Convert(err).Message())
-		}
-
-		daemonStatus := fmt.Sprintf("Daemon status: %s\n", resp.GetStatus())
-		if resp.GetStatus() == string(internal.StatusNeedsLogin) || resp.GetStatus() == string(internal.StatusLoginFailed) {
-
-			cmd.Printf("%s\n"+
-				"Run UP command to log in with SSO (interactive login):\n\n"+
-				" netbird up \n\n"+
-				"If you are running a self-hosted version and no SSO provider has been configured in your Management Server,\n"+
-				"you can use a setup-key:\n\n netbird up --management-url <YOUR_MANAGEMENT_URL> --setup-key <YOUR_SETUP_KEY>\n\n"+
-				"More info: https://www.netbird.io/docs/overview/setup-keys\n\n",
-				daemonStatus,
-			)
-			return nil
-		}
-
-		pbFullStatus := resp.GetFullStatus()
-		fullStatus := fromProtoFullStatus(pbFullStatus)
-
-		cmd.Print(parseFullStatus(fullStatus, detailFlag, daemonStatus, resp.GetDaemonVersion(), ipv4Flag))
-
-		return nil
-	},
+	RunE:  statusFunc,
 }
 
 func init() {
 	ipsFilterMap = make(map[string]struct{})
-	statusCmd.PersistentFlags().BoolVarP(&detailFlag, "detail", "d", false, "display detailed status information")
+	statusCmd.PersistentFlags().BoolVarP(&detailFlag, "detail", "d", false, "display detailed status information in human-readable format")
+	statusCmd.PersistentFlags().BoolVar(&jsonFlag, "json", false, "display detailed status information in json format")
+	statusCmd.PersistentFlags().BoolVar(&yamlFlag, "yaml", false, "display detailed status information in yaml format")
 	statusCmd.PersistentFlags().BoolVar(&ipv4Flag, "ipv4", false, "display only NetBird IPv4 of this peer, e.g., --ipv4 will output 100.64.0.33")
+	statusCmd.MarkFlagsMutuallyExclusive("detail", "json", "yaml", "ipv4")
 	statusCmd.PersistentFlags().StringSliceVar(&ipsFilter, "filter-by-ips", []string{}, "filters the detailed output by a list of one or more IPs, e.g., --filter-by-ips 100.64.0.100,100.64.0.200")
 	statusCmd.PersistentFlags().StringVar(&statusFilter, "filter-by-status", "", "filters the detailed output by connection status(connected|disconnected), e.g., --filter-by-status connected")
 }
 
+func statusFunc(cmd *cobra.Command, args []string) error {
+	SetFlagsFromEnvVars(rootCmd)
+
+	cmd.SetOut(cmd.OutOrStdout())
+
+	err := parseFilters()
+	if err != nil {
+		return err
+	}
+
+	err = util.InitLog(logLevel, "console")
+	if err != nil {
+		return fmt.Errorf("failed initializing log %v", err)
+	}
+
+	ctx := internal.CtxInitState(context.Background())
+
+	resp, _ := getStatus(ctx, cmd)
+	if err != nil {
+		return nil
+	}
+
+	if resp.GetStatus() == string(internal.StatusNeedsLogin) || resp.GetStatus() == string(internal.StatusLoginFailed) {
+		cmd.Printf("Daemon status: %s\n\n"+
+			"Run UP command to log in with SSO (interactive login):\n\n"+
+			" netbird up \n\n"+
+			"If you are running a self-hosted version and no SSO provider has been configured in your Management Server,\n"+
+			"you can use a setup-key:\n\n netbird up --management-url <YOUR_MANAGEMENT_URL> --setup-key <YOUR_SETUP_KEY>\n\n"+
+			"More info: https://www.netbird.io/docs/overview/setup-keys\n\n",
+			resp.GetStatus(),
+		)
+		return nil
+	}
+
+	if ipv4Flag {
+		cmd.Print(parseInterfaceIP(resp.GetFullStatus().GetLocalPeerState().GetIP()))
+		return nil
+	}
+
+	outputInformationHolder := convertToStatusOutputOverview(resp)
+
+	statusOutputString := ""
+	switch {
+	case detailFlag:
+		statusOutputString = parseToFullDetailSummary(outputInformationHolder)
+	case jsonFlag:
+		statusOutputString, err = parseToJSON(outputInformationHolder)
+	case yamlFlag:
+		statusOutputString, err = parseToYAML(outputInformationHolder)
+	default:
+		statusOutputString = parseGeneralSummary(outputInformationHolder, false)
+	}
+
+	if err != nil {
+		return err
+	}
+
+	cmd.Print(statusOutputString)
+
+	return nil
+}
+
+func getStatus(ctx context.Context, cmd *cobra.Command) (*proto.StatusResponse, error) {
+	conn, err := DialClientGRPCServer(ctx, daemonAddr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to daemon error: %v\n"+
+			"If the daemon is not running please run: "+
+			"\nnetbird service install \nnetbird service start\n", err)
+	}
+	defer conn.Close()
+
+	resp, err := proto.NewDaemonServiceClient(conn).Status(cmd.Context(), &proto.StatusRequest{GetFullPeerStatus: true})
+	if err != nil {
+		return nil, fmt.Errorf("status failed: %v", status.Convert(err).Message())
+	}
+
+	return resp, nil
+}
+
 func parseFilters() error {
 	switch strings.ToLower(statusFilter) {
 	case "", "disconnected", "connected":
@@ -109,195 +190,229 @@ func parseFilters() error {
 	return nil
 }
 
-func fromProtoFullStatus(pbFullStatus *proto.FullStatus) nbStatus.FullStatus {
-	var fullStatus nbStatus.FullStatus
+func convertToStatusOutputOverview(resp *proto.StatusResponse) statusOutputOverview {
+	pbFullStatus := resp.GetFullStatus()
+
 	managementState := pbFullStatus.GetManagementState()
-	fullStatus.ManagementState.URL = managementState.GetURL()
-	fullStatus.ManagementState.Connected = managementState.GetConnected()
-
-	signalState := pbFullStatus.GetSignalState()
-	fullStatus.SignalState.URL = signalState.GetURL()
-	fullStatus.SignalState.Connected = signalState.GetConnected()
-
-	localPeerState := pbFullStatus.GetLocalPeerState()
-	fullStatus.LocalPeerState.IP = localPeerState.GetIP()
-	fullStatus.LocalPeerState.PubKey = localPeerState.GetPubKey()
-	fullStatus.LocalPeerState.KernelInterface = localPeerState.GetKernelInterface()
-	fullStatus.LocalPeerState.FQDN = localPeerState.GetFqdn()
-
-	var peersState []nbStatus.PeerState
-
-	for _, pbPeerState := range pbFullStatus.GetPeers() {
-		timeLocal := pbPeerState.GetConnStatusUpdate().AsTime().Local()
-		peerState := nbStatus.PeerState{
-			IP:                     pbPeerState.GetIP(),
-			PubKey:                 pbPeerState.GetPubKey(),
-			ConnStatus:             pbPeerState.GetConnStatus(),
-			ConnStatusUpdate:       timeLocal,
-			Relayed:                pbPeerState.GetRelayed(),
-			Direct:                 pbPeerState.GetDirect(),
-			LocalIceCandidateType:  pbPeerState.GetLocalIceCandidateType(),
-			RemoteIceCandidateType: pbPeerState.GetRemoteIceCandidateType(),
-			FQDN:                   pbPeerState.GetFqdn(),
-		}
-		peersState = append(peersState, peerState)
+	managementOverview := managementStateOutput{
+		URL:       managementState.GetURL(),
+		Connected: managementState.GetConnected(),
 	}
 
-	fullStatus.Peers = peersState
+	signalState := pbFullStatus.GetSignalState()
+	signalOverview := signalStateOutput{
+		URL:       signalState.GetURL(),
+		Connected: signalState.GetConnected(),
+	}
 
-	return fullStatus
+	peersOverview := mapPeers(resp.GetFullStatus().GetPeers())
+
+	overview := statusOutputOverview{
+		Peers:           peersOverview,
+		CliVersion:      version.NetbirdVersion(),
+		DaemonVersion:   resp.GetDaemonVersion(),
+		ManagementState: managementOverview,
+		SignalState:     signalOverview,
+		IP:              pbFullStatus.GetLocalPeerState().GetIP(),
+		PubKey:          pbFullStatus.GetLocalPeerState().GetPubKey(),
+		KernelInterface: pbFullStatus.GetLocalPeerState().GetKernelInterface(),
+		FQDN:            pbFullStatus.GetLocalPeerState().GetFqdn(),
+	}
+
+	return overview
 }
 
-func parseFullStatus(fullStatus nbStatus.FullStatus, printDetail bool, daemonStatus string, daemonVersion string, flag bool) string {
+func mapPeers(peers []*proto.PeerState) peersStateOutput {
+	var peersStateDetail []peerStateDetailOutput
+	localICE := ""
+	remoteICE := ""
+	connType := ""
+	peersConnected := 0
+	for _, pbPeerState := range peers {
+		isPeerConnected := pbPeerState.ConnStatus == peer.StatusConnected.String()
+		if skipDetailByFilters(pbPeerState, isPeerConnected) {
+			continue
+		}
+		if isPeerConnected {
+			peersConnected = peersConnected + 1
 
-	interfaceIP := fullStatus.LocalPeerState.IP
+			localICE = pbPeerState.GetLocalIceCandidateType()
+			remoteICE = pbPeerState.GetRemoteIceCandidateType()
+			connType = "P2P"
+			if pbPeerState.Relayed {
+				connType = "Relayed"
+			}
+		}
 
+		timeLocal := pbPeerState.GetConnStatusUpdate().AsTime().Local()
+		peerState := peerStateDetailOutput{
+			IP:               pbPeerState.GetIP(),
+			PubKey:           pbPeerState.GetPubKey(),
+			Status:           pbPeerState.GetConnStatus(),
+			LastStatusUpdate: timeLocal.UTC(),
+			ConnType:         connType,
+			Direct:           pbPeerState.GetDirect(),
+			IceCandidateType: iceCandidateType{
+				Local:  localICE,
+				Remote: remoteICE,
+			},
+			FQDN: pbPeerState.GetFqdn(),
+		}
+
+		peersStateDetail = append(peersStateDetail, peerState)
+	}
+
+	sortPeersByIP(peersStateDetail)
+
+	peersOverview := peersStateOutput{
+		Total:     len(peersStateDetail),
+		Connected: peersConnected,
+		Details:   peersStateDetail,
+	}
+	return peersOverview
+}
+
+func sortPeersByIP(peersStateDetail []peerStateDetailOutput) {
+	if len(peersStateDetail) > 0 {
+		sort.SliceStable(peersStateDetail, func(i, j int) bool {
+			iAddr, _ := netip.ParseAddr(peersStateDetail[i].IP)
+			jAddr, _ := netip.ParseAddr(peersStateDetail[j].IP)
+			return iAddr.Compare(jAddr) == -1
+		})
+	}
+}
+
+func parseInterfaceIP(interfaceIP string) string {
 	ip, _, err := net.ParseCIDR(interfaceIP)
 	if err != nil {
 		return ""
 	}
+	return fmt.Sprintf("%s\n", ip)
+}
 
-	if ipv4Flag {
-		return fmt.Sprintf("%s\n", ip)
+func parseToJSON(overview statusOutputOverview) (string, error) {
+	jsonBytes, err := json.Marshal(overview)
+	if err != nil {
+		return "", fmt.Errorf("json marshal failed")
 	}
+	return string(jsonBytes), err
+}
 
-	var (
-		managementStatusURL  = ""
-		signalStatusURL      = ""
-		managementConnString = "Disconnected"
-		signalConnString     = "Disconnected"
-		interfaceTypeString  = "Userspace"
-	)
-
-	if printDetail {
-		managementStatusURL = fmt.Sprintf(" to %s", fullStatus.ManagementState.URL)
-		signalStatusURL = fmt.Sprintf(" to %s", fullStatus.SignalState.URL)
+func parseToYAML(overview statusOutputOverview) (string, error) {
+	yamlBytes, err := yaml.Marshal(overview)
+	if err != nil {
+		return "", fmt.Errorf("yaml marshal failed")
 	}
+	return string(yamlBytes), nil
+}
 
-	if fullStatus.ManagementState.Connected {
+func parseGeneralSummary(overview statusOutputOverview, showURL bool) string {
+
+	managementConnString := "Disconnected"
+	if overview.ManagementState.Connected {
 		managementConnString = "Connected"
+		if showURL {
+			managementConnString = fmt.Sprintf("%s to %s", managementConnString, overview.ManagementState.URL)
+		}
 	}
 
-	if fullStatus.SignalState.Connected {
+	signalConnString := "Disconnected"
+	if overview.SignalState.Connected {
 		signalConnString = "Connected"
+		if showURL {
+			signalConnString = fmt.Sprintf("%s to %s", signalConnString, overview.SignalState.URL)
+		}
 	}
 
-	if fullStatus.LocalPeerState.KernelInterface {
+	interfaceTypeString := "Userspace"
+	interfaceIP := overview.IP
+	if overview.KernelInterface {
 		interfaceTypeString = "Kernel"
-	} else if fullStatus.LocalPeerState.IP == "" {
+	} else if overview.IP == "" {
 		interfaceTypeString = "N/A"
 		interfaceIP = "N/A"
 	}
 
-	parsedPeersString, peersConnected := parsePeers(fullStatus.Peers, printDetail)
-
-	peersCountString := fmt.Sprintf("%d/%d Connected", peersConnected, len(fullStatus.Peers))
+	peersCountString := fmt.Sprintf("%d/%d Connected", overview.Peers.Connected, overview.Peers.Total)
 
 	summary := fmt.Sprintf(
 		"Daemon version: %s\n"+
 			"CLI version: %s\n"+
-			"%s"+ // daemon status
-			"Management: %s%s\n"+
-			"Signal: %s%s\n"+
-			"Domain: %s\n"+
+			"Management: %s\n"+
+			"Signal: %s\n"+
+			"FQDN: %s\n"+
 			"NetBird IP: %s\n"+
 			"Interface type: %s\n"+
 			"Peers count: %s\n",
-		daemonVersion,
-		system.NetbirdVersion(),
-		daemonStatus,
+		overview.DaemonVersion,
+		version.NetbirdVersion(),
 		managementConnString,
-		managementStatusURL,
 		signalConnString,
-		signalStatusURL,
-		fullStatus.LocalPeerState.FQDN,
+		overview.FQDN,
 		interfaceIP,
 		interfaceTypeString,
 		peersCountString,
 	)
-
-	if printDetail {
-		return fmt.Sprintf(
-			"Peers detail:"+
-				"%s\n"+
-				"%s",
-			parsedPeersString,
-			summary,
-		)
-	}
 	return summary
 }
 
-func parsePeers(peers []nbStatus.PeerState, printDetail bool) (string, int) {
-	var (
-		peersString    = ""
-		peersConnected = 0
+func parseToFullDetailSummary(overview statusOutputOverview) string {
+	parsedPeersString := parsePeers(overview.Peers)
+	summary := parseGeneralSummary(overview, true)
+
+	return fmt.Sprintf(
+		"Peers detail:"+
+			"%s\n"+
+			"%s",
+		parsedPeersString,
+		summary,
 	)
-
-	if len(peers) > 0 {
-		sort.SliceStable(peers, func(i, j int) bool {
-			iAddr, _ := netip.ParseAddr(peers[i].IP)
-			jAddr, _ := netip.ParseAddr(peers[j].IP)
-			return iAddr.Compare(jAddr) == -1
-		})
-	}
-
-	connectedStatusString := peer.StatusConnected.String()
-
-	for _, peerState := range peers {
-		peerConnectionStatus := false
-		if peerState.ConnStatus == connectedStatusString {
-			peersConnected = peersConnected + 1
-			peerConnectionStatus = true
-		}
-
-		if printDetail {
-
-			if skipDetailByFilters(peerState, peerConnectionStatus) {
-				continue
-			}
-
-			localICE := "-"
-			remoteICE := "-"
-			connType := "-"
-
-			if peerConnectionStatus {
-				localICE = peerState.LocalIceCandidateType
-				remoteICE = peerState.RemoteIceCandidateType
-				connType = "P2P"
-				if peerState.Relayed {
-					connType = "Relayed"
-				}
-			}
-
-			peerString := fmt.Sprintf(
-				"\n %s:\n"+
-					"  NetBird IP: %s\n"+
-					"  Public key: %s\n"+
-					"  Status: %s\n"+
-					"  -- detail --\n"+
-					"  Connection type: %s\n"+
-					"  Direct: %t\n"+
-					"  ICE candidate (Local/Remote): %s/%s\n"+
-					"  Last connection update: %s\n",
-				peerState.FQDN,
-				peerState.IP,
-				peerState.PubKey,
-				peerState.ConnStatus,
-				connType,
-				peerState.Direct,
-				localICE,
-				remoteICE,
-				peerState.ConnStatusUpdate.Format("2006-01-02 15:04:05"),
-			)
-
-			peersString = peersString + peerString
-		}
-	}
-	return peersString, peersConnected
 }
 
-func skipDetailByFilters(peerState nbStatus.PeerState, isConnected bool) bool {
+func parsePeers(peers peersStateOutput) string {
+	var (
+		peersString = ""
+	)
+
+	for _, peerState := range peers.Details {
+
+		localICE := "-"
+		if peerState.IceCandidateType.Local != "" {
+			localICE = peerState.IceCandidateType.Local
+		}
+
+		remoteICE := "-"
+		if peerState.IceCandidateType.Remote != "" {
+			remoteICE = peerState.IceCandidateType.Remote
+		}
+
+		peerString := fmt.Sprintf(
+			"\n %s:\n"+
+				"  NetBird IP: %s\n"+
+				"  Public key: %s\n"+
+				"  Status: %s\n"+
+				"  -- detail --\n"+
+				"  Connection type: %s\n"+
+				"  Direct: %t\n"+
+				"  ICE candidate (Local/Remote): %s/%s\n"+
+				"  Last connection update: %s\n",
+			peerState.FQDN,
+			peerState.IP,
+			peerState.PubKey,
+			peerState.Status,
+			peerState.ConnType,
+			peerState.Direct,
+			localICE,
+			remoteICE,
+			peerState.LastStatusUpdate.Format("2006-01-02 15:04:05"),
+		)
+
+		peersString = peersString + peerString
+	}
+	return peersString
+}
+
+func skipDetailByFilters(peerState *proto.PeerState, isConnected bool) bool {
 	statusEval := false
 	ipEval := false
 

client/cmd/status_test.go

@@ -0,0 +1,301 @@
+package cmd
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/protobuf/types/known/timestamppb"
+
+	"github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/version"
+)
+
+var resp = &proto.StatusResponse{
+	Status: "Connected",
+	FullStatus: &proto.FullStatus{
+		Peers: []*proto.PeerState{
+			{
+				IP:                     "192.168.178.101",
+				PubKey:                 "Pubkey1",
+				Fqdn:                   "peer-1.awesome-domain.com",
+				ConnStatus:             "Connected",
+				ConnStatusUpdate:       timestamppb.New(time.Date(2001, time.Month(1), 1, 1, 1, 1, 0, time.UTC)),
+				Relayed:                false,
+				Direct:                 true,
+				LocalIceCandidateType:  "",
+				RemoteIceCandidateType: "",
+			},
+			{
+				IP:                     "192.168.178.102",
+				PubKey:                 "Pubkey2",
+				Fqdn:                   "peer-2.awesome-domain.com",
+				ConnStatus:             "Connected",
+				ConnStatusUpdate:       timestamppb.New(time.Date(2002, time.Month(2), 2, 2, 2, 2, 0, time.UTC)),
+				Relayed:                true,
+				Direct:                 false,
+				LocalIceCandidateType:  "relay",
+				RemoteIceCandidateType: "prflx",
+			},
+		},
+		ManagementState: &proto.ManagementState{
+			URL:       "my-awesome-management.com:443",
+			Connected: true,
+		},
+		SignalState: &proto.SignalState{
+			URL:       "my-awesome-signal.com:443",
+			Connected: true,
+		},
+		LocalPeerState: &proto.LocalPeerState{
+			IP:              "192.168.178.100/16",
+			PubKey:          "Some-Pub-Key",
+			KernelInterface: true,
+			Fqdn:            "some-localhost.awesome-domain.com",
+		},
+	},
+	DaemonVersion: "0.14.1",
+}
+
+var overview = statusOutputOverview{
+	Peers: peersStateOutput{
+		Total:     2,
+		Connected: 2,
+		Details: []peerStateDetailOutput{
+			{
+				IP:               "192.168.178.101",
+				PubKey:           "Pubkey1",
+				FQDN:             "peer-1.awesome-domain.com",
+				Status:           "Connected",
+				LastStatusUpdate: time.Date(2001, 1, 1, 1, 1, 1, 0, time.UTC),
+				ConnType:         "P2P",
+				Direct:           true,
+				IceCandidateType: iceCandidateType{
+					Local:  "",
+					Remote: "",
+				},
+			},
+			{
+				IP:               "192.168.178.102",
+				PubKey:           "Pubkey2",
+				FQDN:             "peer-2.awesome-domain.com",
+				Status:           "Connected",
+				LastStatusUpdate: time.Date(2002, 2, 2, 2, 2, 2, 0, time.UTC),
+				ConnType:         "Relayed",
+				Direct:           false,
+				IceCandidateType: iceCandidateType{
+					Local:  "relay",
+					Remote: "prflx",
+				},
+			},
+		},
+	},
+	CliVersion:    version.NetbirdVersion(),
+	DaemonVersion: "0.14.1",
+	ManagementState: managementStateOutput{
+		URL:       "my-awesome-management.com:443",
+		Connected: true,
+	},
+	SignalState: signalStateOutput{
+		URL:       "my-awesome-signal.com:443",
+		Connected: true,
+	},
+	IP:              "192.168.178.100/16",
+	PubKey:          "Some-Pub-Key",
+	KernelInterface: true,
+	FQDN:            "some-localhost.awesome-domain.com",
+}
+
+func TestConversionFromFullStatusToOutputOverview(t *testing.T) {
+	convertedResult := convertToStatusOutputOverview(resp)
+
+	assert.Equal(t, overview, convertedResult)
+}
+
+func TestSortingOfPeers(t *testing.T) {
+	peers := []peerStateDetailOutput{
+		{
+			IP: "192.168.178.104",
+		},
+		{
+			IP: "192.168.178.102",
+		},
+		{
+			IP: "192.168.178.101",
+		},
+		{
+			IP: "192.168.178.105",
+		},
+		{
+			IP: "192.168.178.103",
+		},
+	}
+
+	sortPeersByIP(peers)
+
+	assert.Equal(t, peers[3].IP, "192.168.178.104")
+}
+
+func TestParsingToJSON(t *testing.T) {
+	json, _ := parseToJSON(overview)
+
+	//@formatter:off
+	expectedJSON := "{\"" +
+		"peers\":" +
+		"{" +
+		"\"total\":2," +
+		"\"connected\":2," +
+		"\"details\":" +
+		"[" +
+		"{" +
+		"\"fqdn\":\"peer-1.awesome-domain.com\"," +
+		"\"netbirdIp\":\"192.168.178.101\"," +
+		"\"publicKey\":\"Pubkey1\"," +
+		"\"status\":\"Connected\"," +
+		"\"lastStatusUpdate\":\"2001-01-01T01:01:01Z\"," +
+		"\"connectionType\":\"P2P\"," +
+		"\"direct\":true," +
+		"\"iceCandidateType\":" +
+		"{" +
+		"\"local\":\"\"," +
+		"\"remote\":\"\"" +
+		"}" +
+		"}," +
+		"{" +
+		"\"fqdn\":\"peer-2.awesome-domain.com\"," +
+		"\"netbirdIp\":\"192.168.178.102\"," +
+		"\"publicKey\":\"Pubkey2\"," +
+		"\"status\":\"Connected\"," +
+		"\"lastStatusUpdate\":\"2002-02-02T02:02:02Z\"," +
+		"\"connectionType\":\"Relayed\"," +
+		"\"direct\":false," +
+		"\"iceCandidateType\":" +
+		"{" +
+		"\"local\":\"relay\"," +
+		"\"remote\":\"prflx\"" +
+		"}" +
+		"}" +
+		"]" +
+		"}," +
+		"\"cliVersion\":\"development\"," +
+		"\"daemonVersion\":\"0.14.1\"," +
+		"\"management\":" +
+		"{" +
+		"\"url\":\"my-awesome-management.com:443\"," +
+		"\"connected\":true" +
+		"}," +
+		"\"signal\":" +
+		"{\"" +
+		"url\":\"my-awesome-signal.com:443\"," +
+		"\"connected\":true" +
+		"}," +
+		"\"netbirdIp\":\"192.168.178.100/16\"," +
+		"\"publicKey\":\"Some-Pub-Key\"," +
+		"\"usesKernelInterface\":true," +
+		"\"fqdn\":\"some-localhost.awesome-domain.com\"" +
+		"}"
+	// @formatter:on
+
+	assert.Equal(t, expectedJSON, json)
+}
+
+func TestParsingToYAML(t *testing.T) {
+	yaml, _ := parseToYAML(overview)
+
+	expectedYAML := "peers:\n" +
+		"    total: 2\n" +
+		"    connected: 2\n" +
+		"    details:\n" +
+		"        - fqdn: peer-1.awesome-domain.com\n" +
+		"          netbirdIp: 192.168.178.101\n" +
+		"          publicKey: Pubkey1\n" +
+		"          status: Connected\n" +
+		"          lastStatusUpdate: 2001-01-01T01:01:01Z\n" +
+		"          connectionType: P2P\n" +
+		"          direct: true\n" +
+		"          iceCandidateType:\n" +
+		"            local: \"\"\n" +
+		"            remote: \"\"\n" +
+		"        - fqdn: peer-2.awesome-domain.com\n" +
+		"          netbirdIp: 192.168.178.102\n" +
+		"          publicKey: Pubkey2\n" +
+		"          status: Connected\n" +
+		"          lastStatusUpdate: 2002-02-02T02:02:02Z\n" +
+		"          connectionType: Relayed\n" +
+		"          direct: false\n" +
+		"          iceCandidateType:\n" +
+		"            local: relay\n" +
+		"            remote: prflx\n" +
+		"cliVersion: development\n" +
+		"daemonVersion: 0.14.1\n" +
+		"management:\n" +
+		"    url: my-awesome-management.com:443\n" +
+		"    connected: true\n" +
+		"signal:\n" +
+		"    url: my-awesome-signal.com:443\n" +
+		"    connected: true\n" +
+		"netbirdIp: 192.168.178.100/16\n" +
+		"publicKey: Some-Pub-Key\n" +
+		"usesKernelInterface: true\n" +
+		"fqdn: some-localhost.awesome-domain.com\n"
+
+	assert.Equal(t, expectedYAML, yaml)
+}
+
+func TestParsingToDetail(t *testing.T) {
+	detail := parseToFullDetailSummary(overview)
+
+	expectedDetail := "Peers detail:\n" +
+		" peer-1.awesome-domain.com:\n" +
+		"  NetBird IP: 192.168.178.101\n" +
+		"  Public key: Pubkey1\n" +
+		"  Status: Connected\n" +
+		"  -- detail --\n" +
+		"  Connection type: P2P\n" +
+		"  Direct: true\n" +
+		"  ICE candidate (Local/Remote): -/-\n" +
+		"  Last connection update: 2001-01-01 01:01:01\n" +
+		"\n" +
+		" peer-2.awesome-domain.com:\n" +
+		"  NetBird IP: 192.168.178.102\n" +
+		"  Public key: Pubkey2\n" +
+		"  Status: Connected\n" +
+		"  -- detail --\n" +
+		"  Connection type: Relayed\n" +
+		"  Direct: false\n" +
+		"  ICE candidate (Local/Remote): relay/prflx\n" +
+		"  Last connection update: 2002-02-02 02:02:02\n" +
+		"\n" +
+		"Daemon version: 0.14.1\n" +
+		"CLI version: development\n" +
+		"Management: Connected to my-awesome-management.com:443\n" +
+		"Signal: Connected to my-awesome-signal.com:443\n" +
+		"FQDN: some-localhost.awesome-domain.com\n" +
+		"NetBird IP: 192.168.178.100/16\n" +
+		"Interface type: Kernel\n" +
+		"Peers count: 2/2 Connected\n"
+
+	assert.Equal(t, expectedDetail, detail)
+}
+
+func TestParsingToShortVersion(t *testing.T) {
+	shortVersion := parseGeneralSummary(overview, false)
+
+	expectedString := "Daemon version: 0.14.1\n" +
+		"CLI version: development\n" +
+		"Management: Connected\n" +
+		"Signal: Connected\n" +
+		"FQDN: some-localhost.awesome-domain.com\n" +
+		"NetBird IP: 192.168.178.100/16\n" +
+		"Interface type: Kernel\n" +
+		"Peers count: 2/2 Connected\n"
+
+	assert.Equal(t, expectedString, shortVersion)
+}
+
+func TestParsingOfIP(t *testing.T) {
+	InterfaceIP := "192.168.178.123/16"
+
+	parsedIP := parseInterfaceIP(InterfaceIP)
+
+	assert.Equal(t, "192.168.178.123\n", parsedIP)
+}

client/cmd/testutil.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"context"
+	"github.com/netbirdio/netbird/management/server/activity"
 	"net"
 	"path/filepath"
 	"testing"
@@ -68,7 +69,12 @@ func startManagement(t *testing.T, config *mgmt.Config) (*grpc.Server, net.Liste
 	}
 
 	peersUpdateManager := mgmt.NewPeersUpdateManager()
-	accountManager, err := mgmt.BuildManager(store, peersUpdateManager, nil, "", "")
+	eventStore := &activity.InMemoryEventStore{}
+	if err != nil {
+		return nil, nil
+	}
+	accountManager, err := mgmt.BuildManager(store, peersUpdateManager, nil, "", "",
+		eventStore)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -96,7 +102,8 @@ func startClientDaemon(
 	}
 	s := grpc.NewServer()
 
-	server := client.New(ctx, managementURL, adminURL, configPath, "")
+	server := client.New(ctx,
+		configPath, "")
 	if err := server.Start(); err != nil {
 		t.Fatal(err)
 	}

client/cmd/up.go

@@ -3,126 +3,266 @@ package cmd
 import (
 	"context"
 	"fmt"
-	"github.com/netbirdio/netbird/client/internal"
-	"github.com/netbirdio/netbird/client/proto"
-	nbStatus "github.com/netbirdio/netbird/client/status"
-	"github.com/netbirdio/netbird/util"
+	"net"
+	"net/netip"
+	"strings"
+
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc/codes"
 	gstatus "google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/internal"
+	"github.com/netbirdio/netbird/client/internal/peer"
+	"github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/util"
 )
 
-var upCmd = &cobra.Command{
-	Use:   "up",
-	Short: "install, login and start Netbird client",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+const (
+	invalidInputType int = iota
+	ipInputType
+	interfaceInputType
+)
 
-		cmd.SetOut(cmd.OutOrStdout())
+var (
+	foregroundMode bool
+	upCmd          = &cobra.Command{
+		Use:   "up",
+		Short: "install, login and start Netbird client",
+		RunE:  upFunc,
+	}
+)
 
-		err := util.InitLog(logLevel, "console")
+func init() {
+	upCmd.PersistentFlags().BoolVarP(&foregroundMode, "foreground-mode", "F", false, "start service in foreground")
+}
+
+func upFunc(cmd *cobra.Command, args []string) error {
+	SetFlagsFromEnvVars(rootCmd)
+	SetFlagsFromEnvVars(cmd)
+
+	cmd.SetOut(cmd.OutOrStdout())
+
+	err := util.InitLog(logLevel, "console")
+	if err != nil {
+		return fmt.Errorf("failed initializing log %v", err)
+	}
+
+	err = validateNATExternalIPs(natExternalIPs)
+	if err != nil {
+		return err
+	}
+
+	ctx := internal.CtxInitState(cmd.Context())
+
+	if foregroundMode {
+		return runInForegroundMode(ctx, cmd)
+	}
+	return runInDaemonMode(ctx, cmd)
+}
+
+func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
+	err := handleRebrand(cmd)
+	if err != nil {
+		return err
+	}
+
+	customDNSAddressConverted, err := parseCustomDNSAddress(cmd.Flag(dnsResolverAddress).Changed)
+	if err != nil {
+		return err
+	}
+
+	config, err := internal.UpdateOrCreateConfig(internal.ConfigInput{
+		ManagementURL:    managementURL,
+		AdminURL:         adminURL,
+		ConfigPath:       configPath,
+		PreSharedKey:     &preSharedKey,
+		NATExternalIPs:   natExternalIPs,
+		CustomDNSAddress: customDNSAddressConverted,
+	})
+	if err != nil {
+		return fmt.Errorf("get config file: %v", err)
+	}
+
+	config, _ = internal.UpdateOldManagementPort(ctx, config, configPath)
+
+	err = foregroundLogin(ctx, cmd, config, setupKey)
+	if err != nil {
+		return fmt.Errorf("foreground login failed: %v", err)
+	}
+
+	var cancel context.CancelFunc
+	ctx, cancel = context.WithCancel(ctx)
+	SetupCloseHandler(ctx, cancel)
+	return internal.RunClient(ctx, config, peer.NewRecorder(config.ManagementURL.String()), nil, nil)
+}
+
+func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {
+
+	customDNSAddressConverted, err := parseCustomDNSAddress(cmd.Flag(dnsResolverAddress).Changed)
+	if err != nil {
+		return err
+	}
+
+	conn, err := DialClientGRPCServer(ctx, daemonAddr)
+	if err != nil {
+		return fmt.Errorf("failed to connect to daemon error: %v\n"+
+			"If the daemon is not running please run: "+
+			"\nnetbird service install \nnetbird service start\n", err)
+	}
+	defer func() {
+		err := conn.Close()
 		if err != nil {
-			return fmt.Errorf("failed initializing log %v", err)
+			log.Warnf("failed closing dameon gRPC client connection %v", err)
+			return
 		}
+	}()
 
-		ctx := internal.CtxInitState(cmd.Context())
+	client := proto.NewDaemonServiceClient(conn)
 
-		// workaround to run without service
-		if logFile == "console" {
-			err = handleRebrand(cmd)
-			if err != nil {
-				return err
-			}
+	status, err := client.Status(ctx, &proto.StatusRequest{})
+	if err != nil {
+		return fmt.Errorf("unable to get daemon status: %v", err)
+	}
 
-			config, err := internal.GetConfig(managementURL, adminURL, configPath, preSharedKey)
-			if err != nil {
-				return fmt.Errorf("get config file: %v", err)
-			}
+	if status.Status == string(internal.StatusConnected) {
+		cmd.Println("Already connected")
+		return nil
+	}
 
-			config, _ = internal.UpdateOldManagementPort(ctx, config, configPath)
+	loginRequest := proto.LoginRequest{
+		SetupKey:            setupKey,
+		PreSharedKey:        preSharedKey,
+		ManagementUrl:       managementURL,
+		AdminURL:            adminURL,
+		NatExternalIPs:      natExternalIPs,
+		CleanNATExternalIPs: natExternalIPs != nil && len(natExternalIPs) == 0,
+		CustomDNSAddress:    customDNSAddressConverted,
+	}
 
-			err = foregroundLogin(ctx, cmd, config, setupKey)
-			if err != nil {
-				return fmt.Errorf("foreground login failed: %v", err)
-			}
+	var loginErr error
 
-			var cancel context.CancelFunc
-			ctx, cancel = context.WithCancel(ctx)
-			SetupCloseHandler(ctx, cancel)
-			return internal.RunClient(ctx, config, nbStatus.NewRecorder())
-		}
+	var loginResp *proto.LoginResponse
 
-		conn, err := DialClientGRPCServer(ctx, daemonAddr)
-		if err != nil {
-			return fmt.Errorf("failed to connect to daemon error: %v\n"+
-				"If the daemon is not running please run: "+
-				"\nnetbird service install \nnetbird service start\n", err)
-		}
-		defer func() {
-			err := conn.Close()
-			if err != nil {
-				log.Warnf("failed closing dameon gRPC client connection %v", err)
-				return
-			}
-		}()
-
-		client := proto.NewDaemonServiceClient(conn)
-
-		status, err := client.Status(ctx, &proto.StatusRequest{})
-		if err != nil {
-			return fmt.Errorf("unable to get daemon status: %v", err)
-		}
-
-		if status.Status == string(internal.StatusConnected) {
-			cmd.Println("Already connected")
+	err = WithBackOff(func() error {
+		var backOffErr error
+		loginResp, backOffErr = client.Login(ctx, &loginRequest)
+		if s, ok := gstatus.FromError(backOffErr); ok && (s.Code() == codes.InvalidArgument ||
+			s.Code() == codes.PermissionDenied ||
+			s.Code() == codes.NotFound ||
+			s.Code() == codes.Unimplemented) {
+			loginErr = backOffErr
 			return nil
 		}
+		return backOffErr
+	})
+	if err != nil {
+		return fmt.Errorf("login backoff cycle failed: %v", err)
+	}
 
-		loginRequest := proto.LoginRequest{
-			SetupKey:      setupKey,
-			PreSharedKey:  preSharedKey,
-			ManagementUrl: managementURL,
-		}
+	if loginErr != nil {
+		return fmt.Errorf("login failed: %v", loginErr)
+	}
 
-		var loginErr error
+	if loginResp.NeedsSSOLogin {
 
-		var loginResp *proto.LoginResponse
+		openURL(cmd, loginResp.VerificationURIComplete)
 
-		err = WithBackOff(func() error {
-			var backOffErr error
-			loginResp, backOffErr = client.Login(ctx, &loginRequest)
-			if s, ok := gstatus.FromError(backOffErr); ok && (s.Code() == codes.InvalidArgument ||
-				s.Code() == codes.PermissionDenied ||
-				s.Code() == codes.NotFound ||
-				s.Code() == codes.Unimplemented) {
-				loginErr = backOffErr
-				return nil
-			}
-			return backOffErr
-		})
+		_, err = client.WaitSSOLogin(ctx, &proto.WaitSSOLoginRequest{UserCode: loginResp.UserCode})
 		if err != nil {
-			return fmt.Errorf("login backoff cycle failed: %v", err)
+			return fmt.Errorf("waiting sso login failed with: %v", err)
 		}
+	}
 
-		if loginErr != nil {
-			return fmt.Errorf("login failed: %v", loginErr)
-		}
-
-		if loginResp.NeedsSSOLogin {
-
-			openURL(cmd, loginResp.VerificationURIComplete)
-
-			_, err = client.WaitSSOLogin(ctx, &proto.WaitSSOLoginRequest{UserCode: loginResp.UserCode})
-			if err != nil {
-				return fmt.Errorf("waiting sso login failed with: %v", err)
-			}
-		}
-
-		if _, err := client.Up(ctx, &proto.UpRequest{}); err != nil {
-			return fmt.Errorf("call service up method: %v", err)
-		}
-		cmd.Println("Connected")
-		return nil
-	},
+	if _, err := client.Up(ctx, &proto.UpRequest{}); err != nil {
+		return fmt.Errorf("call service up method: %v", err)
+	}
+	cmd.Println("Connected")
+	return nil
+}
+
+func validateNATExternalIPs(list []string) error {
+	for _, element := range list {
+		if element == "" {
+			return fmt.Errorf("empty string is not a valid input for %s", externalIPMapFlag)
+		}
+
+		subElements := strings.Split(element, "/")
+		if len(subElements) > 2 {
+			return fmt.Errorf("%s is not a valid input for %s. it should be formated as \"String\" or \"String/String\"", element, externalIPMapFlag)
+		}
+
+		if len(subElements) == 1 && !isValidIP(subElements[0]) {
+			return fmt.Errorf("%s is not a valid input for %s. it should be formated as \"IP\" or \"IP/IP\", or \"IP/Interface Name\"", element, externalIPMapFlag)
+		}
+
+		last := 0
+		for _, singleElement := range subElements {
+			inputType, err := validateElement(singleElement)
+			if err != nil {
+				return fmt.Errorf("%s is not a valid input for %s. it should be an IP string or a network name", singleElement, externalIPMapFlag)
+			}
+			if last == interfaceInputType && inputType == interfaceInputType {
+				return fmt.Errorf("%s is not a valid input for %s. it should not contain two interface names", element, externalIPMapFlag)
+			}
+			last = inputType
+		}
+	}
+	return nil
+}
+
+func validateElement(element string) (int, error) {
+	if isValidIP(element) {
+		return ipInputType, nil
+	}
+	validIface, err := isValidInterface(element)
+	if err != nil {
+		return invalidInputType, fmt.Errorf("unable to validate the network interface name, error: %s", err)
+	}
+
+	if validIface {
+		return interfaceInputType, nil
+	}
+
+	return interfaceInputType, fmt.Errorf("invalid IP or network interface name not found")
+}
+
+func isValidIP(ip string) bool {
+	return net.ParseIP(ip) != nil
+}
+
+func isValidInterface(name string) (bool, error) {
+	netInterfaces, err := net.Interfaces()
+	if err != nil {
+		return false, err
+	}
+	for _, iface := range netInterfaces {
+		if iface.Name == name {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
+func parseCustomDNSAddress(modified bool) ([]byte, error) {
+	var parsed []byte
+	if modified {
+		if !isValidAddrPort(customDNSAddress) {
+			return nil, fmt.Errorf("%s is invalid, it should be formated as IP:Port string or as an empty string like \"\"", customDNSAddress)
+		}
+		if customDNSAddress == "" && logFile != "console" {
+			parsed = []byte("empty")
+		} else {
+			parsed = []byte(customDNSAddress)
+		}
+	}
+	return parsed, nil
+}
+
+func isValidAddrPort(input string) bool {
+	if input == "" {
+		return true
+	}
+	_, err := netip.ParseAddrPort(input)
+	return err == nil
 }

client/cmd/version.go

@@ -1,8 +1,9 @@
 package cmd
 
 import (
-	"github.com/netbirdio/netbird/client/system"
 	"github.com/spf13/cobra"
+
+	"github.com/netbirdio/netbird/version"
 )
 
 var (
@@ -11,7 +12,7 @@ var (
 		Short: "prints Netbird version",
 		Run: func(cmd *cobra.Command, args []string) {
 			cmd.SetOut(cmd.OutOrStdout())
-			cmd.Println(system.NetbirdVersion())
+			cmd.Println(version.NetbirdVersion())
 		},
 	}
 )

client/firewall/firewall.go

@@ -0,0 +1,57 @@
+package firewall
+
+import (
+	"net"
+)
+
+// Rule abstraction should be implemented by each firewall manager
+//
+// Each firewall type for different OS can use different type
+// of the properties to hold data of the created rule
+type Rule interface {
+	// GetRuleID returns the rule id
+	GetRuleID() string
+}
+
+// Direction is the direction of the traffic
+type Direction int
+
+const (
+	// DirectionSrc is the direction of the traffic from the source
+	DirectionSrc Direction = iota
+	// DirectionDst is the direction of the traffic from the destination
+	DirectionDst
+)
+
+// Action is the action to be taken on a rule
+type Action int
+
+const (
+	// ActionAccept is the action to accept a packet
+	ActionAccept Action = iota
+	// ActionDrop is the action to drop a packet
+	ActionDrop
+)
+
+// Manager is the high level abstraction of a firewall manager
+//
+// It declares methods which handle actions required by the
+// Netbird client for ACL and routing functionality
+type Manager interface {
+	// AddFiltering rule to the firewall
+	AddFiltering(
+		ip net.IP,
+		port *Port,
+		direction Direction,
+		action Action,
+		comment string,
+	) (Rule, error)
+
+	// DeleteRule from the firewall by rule definition
+	DeleteRule(rule Rule) error
+
+	// Reset firewall to the default state
+	Reset() error
+
+	// TODO: migrate routemanager firewal actions to this interface
+}

client/firewall/iptables/manager_linux.go

@@ -0,0 +1,160 @@
+package iptables
+
+import (
+	"fmt"
+	"net"
+	"strconv"
+	"sync"
+
+	"github.com/coreos/go-iptables/iptables"
+	"github.com/google/uuid"
+
+	fw "github.com/netbirdio/netbird/client/firewall"
+)
+
+const (
+	// ChainFilterName is the name of the chain that is used for filtering by the Netbird client
+	ChainFilterName = "NETBIRD-ACL"
+)
+
+// Manager of iptables firewall
+type Manager struct {
+	mutex sync.Mutex
+
+	ipv4Client *iptables.IPTables
+	ipv6Client *iptables.IPTables
+}
+
+// Create iptables firewall manager
+func Create() (*Manager, error) {
+	m := &Manager{}
+
+	// init clients for booth ipv4 and ipv6
+	ipv4Client, err := iptables.NewWithProtocol(iptables.ProtocolIPv4)
+	if err != nil {
+		return nil, fmt.Errorf("iptables is not installed in the system or not supported")
+	}
+	m.ipv4Client = ipv4Client
+
+	ipv6Client, err := iptables.NewWithProtocol(iptables.ProtocolIPv6)
+	if err != nil {
+		return nil, fmt.Errorf("ip6tables is not installed in the system or not supported")
+	}
+	m.ipv6Client = ipv6Client
+
+	if err := m.Reset(); err != nil {
+		return nil, fmt.Errorf("failed to reset firewall: %s", err)
+	}
+
+	return m, nil
+}
+
+// AddFiltering rule to the firewall
+func (m *Manager) AddFiltering(
+	ip net.IP,
+	port *fw.Port,
+	direction fw.Direction,
+	action fw.Action,
+	comment string,
+) (fw.Rule, error) {
+	m.mutex.Lock()
+	defer m.mutex.Unlock()
+	client := m.client(ip)
+	ok, err := client.ChainExists("filter", ChainFilterName)
+	if err != nil {
+		return nil, fmt.Errorf("failed to check if chain exists: %s", err)
+	}
+	if !ok {
+		if err := client.NewChain("filter", ChainFilterName); err != nil {
+			return nil, fmt.Errorf("failed to create chain: %s", err)
+		}
+	}
+	if port == nil || port.Values == nil || (port.IsRange && len(port.Values) != 2) {
+		return nil, fmt.Errorf("invalid port definition")
+	}
+	pv := strconv.Itoa(port.Values[0])
+	if port.IsRange {
+		pv += ":" + strconv.Itoa(port.Values[1])
+	}
+	specs := m.filterRuleSpecs("filter", ChainFilterName, ip, pv, direction, action, comment)
+	if err := client.AppendUnique("filter", ChainFilterName, specs...); err != nil {
+		return nil, err
+	}
+	rule := &Rule{
+		id:    uuid.New().String(),
+		specs: specs,
+		v6:    ip.To4() == nil,
+	}
+	return rule, nil
+}
+
+// DeleteRule from the firewall by rule definition
+func (m *Manager) DeleteRule(rule fw.Rule) error {
+	m.mutex.Lock()
+	defer m.mutex.Unlock()
+	r, ok := rule.(*Rule)
+	if !ok {
+		return fmt.Errorf("invalid rule type")
+	}
+	client := m.ipv4Client
+	if r.v6 {
+		client = m.ipv6Client
+	}
+	return client.Delete("filter", ChainFilterName, r.specs...)
+}
+
+// Reset firewall to the default state
+func (m *Manager) Reset() error {
+	m.mutex.Lock()
+	defer m.mutex.Unlock()
+	if err := m.reset(m.ipv4Client, "filter", ChainFilterName); err != nil {
+		return fmt.Errorf("clean ipv4 firewall ACL chain: %w", err)
+	}
+	if err := m.reset(m.ipv6Client, "filter", ChainFilterName); err != nil {
+		return fmt.Errorf("clean ipv6 firewall ACL chain: %w", err)
+	}
+	return nil
+}
+
+// reset firewall chain, clear it and drop it
+func (m *Manager) reset(client *iptables.IPTables, table, chain string) error {
+	ok, err := client.ChainExists(table, chain)
+	if err != nil {
+		return fmt.Errorf("failed to check if chain exists: %w", err)
+	}
+	if !ok {
+		return nil
+	}
+	if err := client.ClearChain(table, ChainFilterName); err != nil {
+		return fmt.Errorf("failed to clear chain: %w", err)
+	}
+	return client.DeleteChain(table, ChainFilterName)
+}
+
+// filterRuleSpecs returns the specs of a filtering rule
+func (m *Manager) filterRuleSpecs(
+	table string, chain string, ip net.IP, port string,
+	direction fw.Direction, action fw.Action, comment string,
+) (specs []string) {
+	if direction == fw.DirectionSrc {
+		specs = append(specs, "-s", ip.String())
+	}
+	specs = append(specs, "-p", "tcp", "--dport", port)
+	specs = append(specs, "-j", m.actionToStr(action))
+	return append(specs, "-m", "comment", "--comment", comment)
+}
+
+// client returns corresponding iptables client for the given ip
+func (m *Manager) client(ip net.IP) *iptables.IPTables {
+	if ip.To4() != nil {
+		return m.ipv4Client
+	}
+	return m.ipv6Client
+}
+
+func (m *Manager) actionToStr(action fw.Action) string {
+	if action == fw.ActionAccept {
+		return "ACCEPT"
+	}
+	return "DROP"
+}

client/firewall/iptables/manager_linux_test.go

@@ -0,0 +1,105 @@
+package iptables
+
+import (
+	"net"
+	"testing"
+
+	"github.com/coreos/go-iptables/iptables"
+	fw "github.com/netbirdio/netbird/client/firewall"
+)
+
+func TestNewManager(t *testing.T) {
+	ipv4Client, err := iptables.NewWithProtocol(iptables.ProtocolIPv4)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	manager, err := Create()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var rule1 fw.Rule
+	t.Run("add first rule", func(t *testing.T) {
+		ip := net.ParseIP("10.20.0.2")
+		port := &fw.Port{Proto: fw.PortProtocolTCP, Values: []int{8080}}
+		rule1, err = manager.AddFiltering(ip, port, fw.DirectionDst, fw.ActionAccept, "accept HTTP traffic")
+		if err != nil {
+			t.Errorf("failed to add rule: %v", err)
+		}
+
+		checkRuleSpecs(t, ipv4Client, true, rule1.(*Rule).specs...)
+	})
+
+	var rule2 fw.Rule
+	t.Run("add second rule", func(t *testing.T) {
+		ip := net.ParseIP("10.20.0.3")
+		port := &fw.Port{
+			Proto:  fw.PortProtocolTCP,
+			Values: []int{8043: 8046},
+		}
+		rule2, err = manager.AddFiltering(
+			ip, port, fw.DirectionDst, fw.ActionAccept, "accept HTTPS traffic from ports range")
+		if err != nil {
+			t.Errorf("failed to add rule: %v", err)
+		}
+
+		checkRuleSpecs(t, ipv4Client, true, rule2.(*Rule).specs...)
+	})
+
+	t.Run("delete first rule", func(t *testing.T) {
+		if err := manager.DeleteRule(rule1); err != nil {
+			t.Errorf("failed to delete rule: %v", err)
+		}
+
+		checkRuleSpecs(t, ipv4Client, false, rule1.(*Rule).specs...)
+	})
+
+	t.Run("delete second rule", func(t *testing.T) {
+		if err := manager.DeleteRule(rule2); err != nil {
+			t.Errorf("failed to delete rule: %v", err)
+		}
+
+		checkRuleSpecs(t, ipv4Client, false, rule2.(*Rule).specs...)
+	})
+
+	t.Run("reset check", func(t *testing.T) {
+		// add second rule
+		ip := net.ParseIP("10.20.0.3")
+		port := &fw.Port{Proto: fw.PortProtocolUDP, Values: []int{5353}}
+		_, err = manager.AddFiltering(ip, port, fw.DirectionDst, fw.ActionAccept, "accept Fake DNS traffic")
+		if err != nil {
+			t.Errorf("failed to add rule: %v", err)
+		}
+
+		if err := manager.Reset(); err != nil {
+			t.Errorf("failed to reset: %v", err)
+		}
+
+		ok, err := ipv4Client.ChainExists("filter", ChainFilterName)
+		if err != nil {
+			t.Errorf("failed to drop chain: %v", err)
+		}
+
+		if ok {
+			t.Errorf("chain '%v' still exists after Reset", ChainFilterName)
+		}
+	})
+}
+
+func checkRuleSpecs(t *testing.T, ipv4Client *iptables.IPTables, mustExists bool, rulespec ...string) {
+	exists, err := ipv4Client.Exists("filter", ChainFilterName, rulespec...)
+	if err != nil {
+		t.Errorf("failed to check rule: %v", err)
+		return
+	}
+
+	if !exists && mustExists {
+		t.Errorf("rule '%v' does not exist", rulespec)
+		return
+	}
+	if exists && !mustExists {
+		t.Errorf("rule '%v' exist", rulespec)
+		return
+	}
+}

client/firewall/iptables/rule.go

@@ -0,0 +1,13 @@
+package iptables
+
+// Rule to handle management of rules
+type Rule struct {
+	id    string
+	specs []string
+	v6    bool
+}
+
+// GetRuleID returns the rule id
+func (r *Rule) GetRuleID() string {
+	return r.id
+}

client/firewall/port.go

@@ -0,0 +1,24 @@
+package firewall
+
+// PortProtocol is the protocol of the port
+type PortProtocol string
+
+const (
+	// PortProtocolTCP is the TCP protocol
+	PortProtocolTCP PortProtocol = "tcp"
+
+	// PortProtocolUDP is the UDP protocol
+	PortProtocolUDP PortProtocol = "udp"
+)
+
+// Port of the address for firewall rule
+type Port struct {
+	// IsRange is true Values contains two values, the first is the start port, the second is the end port
+	IsRange bool
+
+	// Values contains one value for single port, multiple values for the list of ports, or two values for the range of ports
+	Values []int
+
+	// Proto is the protocol of the port
+	Proto PortProtocol
+}

client/installer.nsis

@@ -193,6 +193,7 @@ ExecWait `taskkill /im ${UI_APP_EXE}.exe`
 Sleep 3000
 Delete "$INSTDIR\${UI_APP_EXE}"
 Delete "$INSTDIR\${MAIN_APP_EXE}"
+Delete "$INSTDIR\wintun.dll"
 RmDir /r "$INSTDIR"
 
 SetShellVarContext current

client/internal/config.go

@@ -1,33 +1,42 @@
 package internal
 
 import (
-	"context"
 	"fmt"
 	"net/url"
 	"os"
 
-	"github.com/netbirdio/netbird/client/ssh"
-	"github.com/netbirdio/netbird/iface"
-	mgm "github.com/netbirdio/netbird/management/client"
-	"github.com/netbirdio/netbird/util"
 	log "github.com/sirupsen/logrus"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/ssh"
+	"github.com/netbirdio/netbird/iface"
+	"github.com/netbirdio/netbird/util"
 )
 
-var managementURLDefault *url.URL
+const (
+	// ManagementLegacyPort is the port that was used before by the Management gRPC server.
+	// It is used for backward compatibility now.
+	// NB: hardcoded from github.com/netbirdio/netbird/management/cmd to avoid import
+	ManagementLegacyPort = 33073
+	// DefaultManagementURL points to the NetBird's cloud management endpoint
+	DefaultManagementURL = "https://api.wiretrustee.com:443"
+	// DefaultAdminURL points to NetBird's cloud management console
+	DefaultAdminURL = "https://app.netbird.io:443"
+)
 
-func ManagementURLDefault() *url.URL {
-	return managementURLDefault
-}
+var defaultInterfaceBlacklist = []string{iface.WgInterfaceDefault, "wt", "utun", "tun0", "zt", "ZeroTier", "wg", "ts",
+	"Tailscale", "tailscale", "docker", "veth", "br-", "lo"}
 
-func init() {
-	managementURL, err := ParseURL("Management URL", "https://api.wiretrustee.com:443")
-	if err != nil {
-		panic(err)
-	}
-	managementURLDefault = managementURL
+// ConfigInput carries configuration changes to the client
+type ConfigInput struct {
+	ManagementURL    string
+	AdminURL         string
+	ConfigPath       string
+	PreSharedKey     *string
+	NATExternalIPs   []string
+	CustomDNSAddress []byte
 }
 
 // Config Configuration type
@@ -42,7 +51,7 @@ type Config struct {
 	IFaceBlackList       []string
 	DisableIPv6Discovery bool
 	// SSHKey is a private SSH key in a PEM format
-	SSHKey         string
+	SSHKey string
 
 	// ExternalIP mappings, if different than the host interface IP
 	//
@@ -60,10 +69,68 @@ type Config struct {
 	//      "12.34.56.78/10.1.2.3" => interface IP 10.1.2.3 will be mapped to external IP of 12.34.56.78
 
 	NATExternalIPs []string
+	// CustomDNSAddress sets the DNS resolver listening address in format ip:port
+	CustomDNSAddress string
+}
+
+// ReadConfig read config file and return with Config. If it is not exists create a new with default values
+func ReadConfig(configPath string) (*Config, error) {
+	if configFileIsExists(configPath) {
+		config := &Config{}
+		if _, err := util.ReadJson(configPath, config); err != nil {
+			return nil, err
+		}
+		return config, nil
+	}
+
+	cfg, err := createNewConfig(ConfigInput{ConfigPath: configPath})
+	if err != nil {
+		return nil, err
+	}
+
+	err = WriteOutConfig(configPath, cfg)
+	return cfg, err
+}
+
+// UpdateConfig update existing configuration according to input configuration and return with the configuration
+func UpdateConfig(input ConfigInput) (*Config, error) {
+	if !configFileIsExists(input.ConfigPath) {
+		return nil, status.Errorf(codes.NotFound, "config file doesn't exist")
+	}
+
+	return update(input)
+}
+
+// UpdateOrCreateConfig reads existing config or generates a new one
+func UpdateOrCreateConfig(input ConfigInput) (*Config, error) {
+	if !configFileIsExists(input.ConfigPath) {
+		log.Infof("generating new config %s", input.ConfigPath)
+		cfg, err := createNewConfig(input)
+		if err != nil {
+			return nil, err
+		}
+		err = WriteOutConfig(input.ConfigPath, cfg)
+		return cfg, err
+	}
+
+	if isPreSharedKeyHidden(input.PreSharedKey) {
+		input.PreSharedKey = nil
+	}
+	return update(input)
+}
+
+// CreateInMemoryConfig generate a new config but do not write out it to the store
+func CreateInMemoryConfig(input ConfigInput) (*Config, error) {
+	return createNewConfig(input)
+}
+
+// WriteOutConfig write put the prepared config to the given path
+func WriteOutConfig(path string, config *Config) error {
+	return util.WriteJson(path, config)
 }
 
 // createNewConfig creates a new config generating a new Wireguard key and saving to file
-func createNewConfig(managementURL, adminURL, configPath, preSharedKey string) (*Config, error) {
+func createNewConfig(input ConfigInput) (*Config, error) {
 	wgKey := generateKey()
 	pem, err := ssh.GeneratePrivateKey(ssh.ED25519)
 	if err != nil {
@@ -76,74 +143,59 @@ func createNewConfig(managementURL, adminURL, configPath, preSharedKey string) (
 		WgPort:               iface.DefaultWgPort,
 		IFaceBlackList:       []string{},
 		DisableIPv6Discovery: false,
+		NATExternalIPs:       input.NATExternalIPs,
+		CustomDNSAddress:     string(input.CustomDNSAddress),
 	}
-	if managementURL != "" {
-		URL, err := ParseURL("Management URL", managementURL)
+
+	defaultManagementURL, err := parseURL("Management URL", DefaultManagementURL)
+	if err != nil {
+		return nil, err
+	}
+
+	config.ManagementURL = defaultManagementURL
+	if input.ManagementURL != "" {
+		URL, err := parseURL("Management URL", input.ManagementURL)
 		if err != nil {
 			return nil, err
 		}
 		config.ManagementURL = URL
-	} else {
-		config.ManagementURL = managementURLDefault
 	}
 
-	if preSharedKey != "" {
-		config.PreSharedKey = preSharedKey
+	if input.PreSharedKey != nil {
+		config.PreSharedKey = *input.PreSharedKey
 	}
 
-	if adminURL != "" {
-		newURL, err := ParseURL("Admin Panel URL", adminURL)
+	defaultAdminURL, err := parseURL("Admin URL", DefaultAdminURL)
+	if err != nil {
+		return nil, err
+	}
+
+	config.AdminURL = defaultAdminURL
+	if input.AdminURL != "" {
+		newURL, err := parseURL("Admin Panel URL", input.AdminURL)
 		if err != nil {
 			return nil, err
 		}
 		config.AdminURL = newURL
 	}
 
-	config.IFaceBlackList = []string{iface.WgInterfaceDefault, "wt", "utun", "tun0", "zt", "ZeroTier", "utun", "wg", "ts",
-		"Tailscale", "tailscale", "docker", "veth", "br-"}
-
-	err = util.WriteJson(configPath, config)
-	if err != nil {
-		return nil, err
-	}
-
+	config.IFaceBlackList = defaultInterfaceBlacklist
 	return config, nil
 }
 
-// ParseURL parses and validates management URL
-func ParseURL(serviceName, managementURL string) (*url.URL, error) {
-	parsedMgmtURL, err := url.ParseRequestURI(managementURL)
-	if err != nil {
-		log.Errorf("failed parsing management URL %s: [%s]", managementURL, err.Error())
-		return nil, err
-	}
-
-	if parsedMgmtURL.Scheme != "https" && parsedMgmtURL.Scheme != "http" {
-		return nil, fmt.Errorf(
-			"invalid %s URL provided %s. Supported format [http|https]://[host]:[port]",
-			serviceName, managementURL)
-	}
-
-	return parsedMgmtURL, err
-}
-
-// ReadConfig reads existing config. In case provided managementURL is not empty overrides the read property
-func ReadConfig(managementURL, adminURL, configPath string, preSharedKey *string) (*Config, error) {
+func update(input ConfigInput) (*Config, error) {
 	config := &Config{}
-	if _, err := os.Stat(configPath); os.IsNotExist(err) {
-		return nil, status.Errorf(codes.NotFound, "config file doesn't exist")
-	}
 
-	if _, err := util.ReadJson(configPath, config); err != nil {
+	if _, err := util.ReadJson(input.ConfigPath, config); err != nil {
 		return nil, err
 	}
 
 	refresh := false
 
-	if managementURL != "" && config.ManagementURL.String() != managementURL {
+	if input.ManagementURL != "" && config.ManagementURL.String() != input.ManagementURL {
 		log.Infof("new Management URL provided, updated to %s (old value %s)",
-			managementURL, config.ManagementURL)
-		newURL, err := ParseURL("Management URL", managementURL)
+			input.ManagementURL, config.ManagementURL)
+		newURL, err := parseURL("Management URL", input.ManagementURL)
 		if err != nil {
 			return nil, err
 		}
@@ -151,10 +203,10 @@ func ReadConfig(managementURL, adminURL, configPath string, preSharedKey *string
 		refresh = true
 	}
 
-	if adminURL != "" && (config.AdminURL == nil || config.AdminURL.String() != adminURL) {
+	if input.AdminURL != "" && (config.AdminURL == nil || config.AdminURL.String() != input.AdminURL) {
 		log.Infof("new Admin Panel URL provided, updated to %s (old value %s)",
-			adminURL, config.AdminURL)
-		newURL, err := ParseURL("Admin Panel URL", adminURL)
+			input.AdminURL, config.AdminURL)
+		newURL, err := parseURL("Admin Panel URL", input.AdminURL)
 		if err != nil {
 			return nil, err
 		}
@@ -162,12 +214,13 @@ func ReadConfig(managementURL, adminURL, configPath string, preSharedKey *string
 		refresh = true
 	}
 
-	if preSharedKey != nil && config.PreSharedKey != *preSharedKey {
+	if input.PreSharedKey != nil && config.PreSharedKey != *input.PreSharedKey {
 		log.Infof("new pre-shared key provided, updated to %s (old value %s)",
-			*preSharedKey, config.PreSharedKey)
-		config.PreSharedKey = *preSharedKey
+			*input.PreSharedKey, config.PreSharedKey)
+		config.PreSharedKey = *input.PreSharedKey
 		refresh = true
 	}
+
 	if config.SSHKey == "" {
 		pem, err := ssh.GeneratePrivateKey(ssh.ED25519)
 		if err != nil {
@@ -181,10 +234,19 @@ func ReadConfig(managementURL, adminURL, configPath string, preSharedKey *string
 		config.WgPort = iface.DefaultWgPort
 		refresh = true
 	}
+	if input.NATExternalIPs != nil && len(config.NATExternalIPs) != len(input.NATExternalIPs) {
+		config.NATExternalIPs = input.NATExternalIPs
+		refresh = true
+	}
+
+	if input.CustomDNSAddress != nil {
+		config.CustomDNSAddress = string(input.CustomDNSAddress)
+		refresh = true
+	}
 
 	if refresh {
 		// since we have new management URL, we need to update config file
-		if err := util.WriteJson(configPath, config); err != nil {
+		if err := util.WriteJson(input.ConfigPath, config); err != nil {
 			return nil, err
 		}
 	}
@@ -192,19 +254,32 @@ func ReadConfig(managementURL, adminURL, configPath string, preSharedKey *string
 	return config, nil
 }
 
-// GetConfig reads existing config or generates a new one
-func GetConfig(managementURL, adminURL, configPath, preSharedKey string) (*Config, error) {
-	if _, err := os.Stat(configPath); os.IsNotExist(err) {
-		log.Infof("generating new config %s", configPath)
-		return createNewConfig(managementURL, adminURL, configPath, preSharedKey)
-	} else {
-		// don't overwrite pre-shared key if we receive asterisks from UI
-		pk := &preSharedKey
-		if preSharedKey == "**********" {
-			pk = nil
-		}
-		return ReadConfig(managementURL, adminURL, configPath, pk)
+// parseURL parses and validates a service URL
+func parseURL(serviceName, serviceURL string) (*url.URL, error) {
+	parsedMgmtURL, err := url.ParseRequestURI(serviceURL)
+	if err != nil {
+		log.Errorf("failed parsing %s URL %s: [%s]", serviceName, serviceURL, err.Error())
+		return nil, err
 	}
+
+	if parsedMgmtURL.Scheme != "https" && parsedMgmtURL.Scheme != "http" {
+		return nil, fmt.Errorf(
+			"invalid %s URL provided %s. Supported format [http|https]://[host]:[port]",
+			serviceName, serviceURL)
+	}
+
+	if parsedMgmtURL.Port() == "" {
+		switch parsedMgmtURL.Scheme {
+		case "https":
+			parsedMgmtURL.Host = parsedMgmtURL.Host + ":443"
+		case "http":
+			parsedMgmtURL.Host = parsedMgmtURL.Host + ":80"
+		default:
+			log.Infof("unable to determine a default port for schema %s in URL %s", parsedMgmtURL.Scheme, serviceURL)
+		}
+	}
+
+	return parsedMgmtURL, err
 }
 
 // generateKey generates a new Wireguard private key
@@ -216,107 +291,15 @@ func generateKey() string {
 	return key.String()
 }
 
-// DeviceAuthorizationFlow represents Device Authorization Flow information
-type DeviceAuthorizationFlow struct {
-	Provider       string
-	ProviderConfig ProviderConfig
+// don't overwrite pre-shared key if we receive asterisks from UI
+func isPreSharedKeyHidden(preSharedKey *string) bool {
+	if preSharedKey != nil && *preSharedKey == "**********" {
+		return true
+	}
+	return false
 }
 
-// ProviderConfig has all attributes needed to initiate a device authorization flow
-type ProviderConfig struct {
-	// ClientID An IDP application client id
-	ClientID string
-	// ClientSecret An IDP application client secret
-	ClientSecret string
-	// Domain An IDP API domain
-	// Deprecated. Use OIDCConfigEndpoint instead
-	Domain string
-	// Audience An Audience for to authorization validation
-	Audience string
-	// TokenEndpoint is the endpoint of an IDP manager where clients can obtain access token
-	TokenEndpoint string
-	// DeviceAuthEndpoint is the endpoint of an IDP manager where clients can obtain device authorization code
-	DeviceAuthEndpoint string
-}
-
-func GetDeviceAuthorizationFlowInfo(ctx context.Context, config *Config) (DeviceAuthorizationFlow, error) {
-	// validate our peer's Wireguard PRIVATE key
-	myPrivateKey, err := wgtypes.ParseKey(config.PrivateKey)
-	if err != nil {
-		log.Errorf("failed parsing Wireguard key %s: [%s]", config.PrivateKey, err.Error())
-		return DeviceAuthorizationFlow{}, err
-	}
-
-	var mgmTlsEnabled bool
-	if config.ManagementURL.Scheme == "https" {
-		mgmTlsEnabled = true
-	}
-
-	log.Debugf("connecting to Management Service %s", config.ManagementURL.String())
-	mgmClient, err := mgm.NewClient(ctx, config.ManagementURL.Host, myPrivateKey, mgmTlsEnabled)
-	if err != nil {
-		log.Errorf("failed connecting to Management Service %s %v", config.ManagementURL.String(), err)
-		return DeviceAuthorizationFlow{}, err
-	}
-	log.Debugf("connected to the Management service %s", config.ManagementURL.String())
-	defer func() {
-		err = mgmClient.Close()
-		if err != nil {
-			log.Warnf("failed to close the Management service client %v", err)
-		}
-	}()
-
-	serverKey, err := mgmClient.GetServerPublicKey()
-	if err != nil {
-		log.Errorf("failed while getting Management Service public key: %v", err)
-		return DeviceAuthorizationFlow{}, err
-	}
-
-	protoDeviceAuthorizationFlow, err := mgmClient.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)
-			return DeviceAuthorizationFlow{}, err
-		} else {
-			log.Errorf("failed to retrieve device flow: %v", err)
-			return DeviceAuthorizationFlow{}, err
-		}
-	}
-
-	deviceAuthorizationFlow := DeviceAuthorizationFlow{
-		Provider: protoDeviceAuthorizationFlow.Provider.String(),
-
-		ProviderConfig: ProviderConfig{
-			Audience:           protoDeviceAuthorizationFlow.GetProviderConfig().GetAudience(),
-			ClientID:           protoDeviceAuthorizationFlow.GetProviderConfig().GetClientID(),
-			ClientSecret:       protoDeviceAuthorizationFlow.GetProviderConfig().GetClientSecret(),
-			Domain:             protoDeviceAuthorizationFlow.GetProviderConfig().Domain,
-			TokenEndpoint:      protoDeviceAuthorizationFlow.GetProviderConfig().GetTokenEndpoint(),
-			DeviceAuthEndpoint: protoDeviceAuthorizationFlow.GetProviderConfig().GetDeviceAuthEndpoint(),
-		},
-	}
-
-	err = isProviderConfigValid(deviceAuthorizationFlow.ProviderConfig)
-	if err != nil {
-		return DeviceAuthorizationFlow{}, err
-	}
-
-	return deviceAuthorizationFlow, nil
-}
-
-func isProviderConfigValid(config ProviderConfig) error {
-	errorMSGFormat := "invalid provider configuration received from management: %s value is empty. Contact your NetBird administrator"
-	if config.Audience == "" {
-		return fmt.Errorf(errorMSGFormat, "Audience")
-	}
-	if config.ClientID == "" {
-		return fmt.Errorf(errorMSGFormat, "Client ID")
-	}
-	if config.TokenEndpoint == "" {
-		return fmt.Errorf(errorMSGFormat, "Token Endpoint")
-	}
-	if config.DeviceAuthEndpoint == "" {
-		return fmt.Errorf(errorMSGFormat, "Device Auth Endpoint")
-	}
-	return nil
+func configFileIsExists(path string) bool {
+	_, err := os.Stat(path)
+	return !os.IsNotExist(err)
 }

client/internal/config_test.go

@@ -10,17 +10,34 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestReadConfig(t *testing.T) {
-}
-
 func TestGetConfig(t *testing.T) {
+	// case 1: new default config has to be generated
+	config, err := UpdateOrCreateConfig(ConfigInput{
+		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
+	})
+
+	if err != nil {
+		return
+	}
+
+	assert.Equal(t, config.ManagementURL.String(), DefaultManagementURL)
+	assert.Equal(t, config.AdminURL.String(), DefaultAdminURL)
+
+	if err != nil {
+		return
+	}
 	managementURL := "https://test.management.url:33071"
-	adminURL := "https://app.admin.url"
+	adminURL := "https://app.admin.url:443"
 	path := filepath.Join(t.TempDir(), "config.json")
 	preSharedKey := "preSharedKey"
 
-	// case 1: new config has to be generated
-	config, err := GetConfig(managementURL, adminURL, path, preSharedKey)
+	// case 2: new config has to be generated
+	config, err = UpdateOrCreateConfig(ConfigInput{
+		ManagementURL: managementURL,
+		AdminURL:      adminURL,
+		ConfigPath:    path,
+		PreSharedKey:  &preSharedKey,
+	})
 	if err != nil {
 		return
 	}
@@ -32,8 +49,13 @@ func TestGetConfig(t *testing.T) {
 		t.Errorf("config file was expected to be created under path %s", path)
 	}
 
-	// case 2: existing config -> fetch it
-	config, err = GetConfig(managementURL, adminURL, path, preSharedKey)
+	// case 3: existing config -> fetch it
+	config, err = UpdateOrCreateConfig(ConfigInput{
+		ManagementURL: managementURL,
+		AdminURL:      adminURL,
+		ConfigPath:    path,
+		PreSharedKey:  &preSharedKey,
+	})
 	if err != nil {
 		return
 	}
@@ -41,9 +63,14 @@ func TestGetConfig(t *testing.T) {
 	assert.Equal(t, config.ManagementURL.String(), managementURL)
 	assert.Equal(t, config.PreSharedKey, preSharedKey)
 
-	// case 3: existing config, but new managementURL has been provided -> update config
+	// case 4: existing config, but new managementURL has been provided -> update config
 	newManagementURL := "https://test.newManagement.url:33071"
-	config, err = GetConfig(newManagementURL, adminURL, path, preSharedKey)
+	config, err = UpdateOrCreateConfig(ConfigInput{
+		ManagementURL: newManagementURL,
+		AdminURL:      adminURL,
+		ConfigPath:    path,
+		PreSharedKey:  &preSharedKey,
+	})
 	if err != nil {
 		return
 	}
@@ -58,3 +85,40 @@ func TestGetConfig(t *testing.T) {
 	}
 	assert.Equal(t, readConf.(*Config).ManagementURL.String(), newManagementURL)
 }
+
+func TestHiddenPreSharedKey(t *testing.T) {
+	hidden := "**********"
+	samplePreSharedKey := "mysecretpresharedkey"
+	tests := []struct {
+		name         string
+		preSharedKey *string
+		want         string
+	}{
+		{"nil", nil, ""},
+		{"hidden", &hidden, ""},
+		{"filled", &samplePreSharedKey, samplePreSharedKey},
+	}
+
+	// generate default cfg
+	cfgFile := filepath.Join(t.TempDir(), "config.json")
+	_, _ = UpdateOrCreateConfig(ConfigInput{
+		ConfigPath: cfgFile,
+	})
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg, err := UpdateOrCreateConfig(ConfigInput{
+				ConfigPath:   cfgFile,
+				PreSharedKey: tt.preSharedKey,
+			})
+
+			if err != nil {
+				t.Fatalf("failed to get cfg: %s", err)
+			}
+
+			if cfg.PreSharedKey != tt.want {
+				t.Fatalf("invalid preshared key: '%s', expected: '%s' ", cfg.PreSharedKey, tt.want)
+			}
+		})
+	}
+}

client/internal/connect.go

@@ -6,25 +6,24 @@ import (
 	"strings"
 	"time"
 
+	"github.com/cenkalti/backoff/v4"
+	log "github.com/sirupsen/logrus"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"google.golang.org/grpc/codes"
+	gstatus "google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/internal/peer"
+	"github.com/netbirdio/netbird/client/internal/stdnet"
 	"github.com/netbirdio/netbird/client/ssh"
-	nbStatus "github.com/netbirdio/netbird/client/status"
-
 	"github.com/netbirdio/netbird/client/system"
-
 	"github.com/netbirdio/netbird/iface"
 	mgm "github.com/netbirdio/netbird/management/client"
 	mgmProto "github.com/netbirdio/netbird/management/proto"
 	signal "github.com/netbirdio/netbird/signal/client"
-	log "github.com/sirupsen/logrus"
-
-	"github.com/cenkalti/backoff/v4"
-	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
-	"google.golang.org/grpc/codes"
-	gstatus "google.golang.org/grpc/status"
 )
 
 // RunClient with main logic.
-func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Status) error {
+func RunClient(ctx context.Context, config *Config, statusRecorder *peer.Status, tunAdapter iface.TunAdapter, iFaceDiscover stdnet.ExternalIFaceDiscover) error {
 	backOff := &backoff.ExponentialBackOff{
 		InitialInterval:     time.Second,
 		RandomizationFactor: 1,
@@ -60,9 +59,7 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 		return err
 	}
 
-	managementURL := config.ManagementURL.String()
-	statusRecorder.MarkManagementDisconnected(managementURL)
-
+	defer statusRecorder.ClientStop()
 	operation := func() error {
 		// if context cancelled we not start new backoff cycle
 		select {
@@ -75,7 +72,7 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 
 		engineCtx, cancel := context.WithCancel(ctx)
 		defer func() {
-			statusRecorder.MarkManagementDisconnected(managementURL)
+			statusRecorder.MarkManagementDisconnected()
 			statusRecorder.CleanLocalPeerState()
 			cancel()
 		}()
@@ -85,6 +82,9 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 		if err != nil {
 			return wrapErr(gstatus.Errorf(codes.FailedPrecondition, "failed connecting to Management Service : %s", err))
 		}
+		mgmNotifier := statusRecorderToMgmConnStateNotifier(statusRecorder)
+		mgmClient.SetConnStateListener(mgmNotifier)
+
 		log.Debugf("connected to the Management service %s", config.ManagementURL.Host)
 		defer func() {
 			err = mgmClient.Close()
@@ -103,12 +103,12 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 			}
 			return wrapErr(err)
 		}
-		statusRecorder.MarkManagementConnected(managementURL)
+		statusRecorder.MarkManagementConnected()
 
-		localPeerState := nbStatus.LocalPeerState{
+		localPeerState := peer.LocalPeerState{
 			IP:              loginResp.GetPeerConfig().GetAddress(),
 			PubKey:          myPrivateKey.PublicKey().String(),
-			KernelInterface: iface.WireguardModuleIsLoaded(),
+			KernelInterface: iface.WireGuardModuleIsLoaded(),
 			FQDN:            loginResp.GetPeerConfig().GetFqdn(),
 		}
 
@@ -119,8 +119,10 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 			loginResp.GetWiretrusteeConfig().GetSignal().GetUri(),
 		)
 
-		statusRecorder.MarkSignalDisconnected(signalURL)
-		defer statusRecorder.MarkSignalDisconnected(signalURL)
+		statusRecorder.UpdateSignalAddress(signalURL)
+
+		statusRecorder.MarkSignalDisconnected()
+		defer statusRecorder.MarkSignalDisconnected()
 
 		// with the global Wiretrustee config in hand connect (just a connection, no stream yet) Signal
 		signalClient, err := connectToSignal(engineCtx, loginResp.GetWiretrusteeConfig(), myPrivateKey)
@@ -135,7 +137,10 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 			}
 		}()
 
-		statusRecorder.MarkSignalConnected(signalURL)
+		signalNotifier := statusRecorderToSignalConnStateNotifier(statusRecorder)
+		signalClient.SetConnStateListener(signalNotifier)
+
+		statusRecorder.MarkSignalConnected()
 
 		peerConfig := loginResp.GetPeerConfig()
 
@@ -145,7 +150,13 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 			return wrapErr(err)
 		}
 
-		engine := NewEngine(engineCtx, cancel, signalClient, mgmClient, engineConfig, statusRecorder)
+		md, err := newMobileDependency(tunAdapter, iFaceDiscover, mgmClient)
+		if err != nil {
+			log.Error(err)
+			return wrapErr(err)
+		}
+
+		engine := NewEngine(engineCtx, cancel, signalClient, mgmClient, engineConfig, md, statusRecorder)
 		err = engine.Start()
 		if err != nil {
 			log.Errorf("error while starting Netbird Connection Engine: %s", err)
@@ -155,7 +166,10 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 		log.Print("Netbird engine started, my IP is: ", peerConfig.Address)
 		state.Set(StatusConnected)
 
+		statusRecorder.ClientStart()
+
 		<-engineCtx.Done()
+		statusRecorder.ClientTeardown()
 
 		backOff.Reset()
 
@@ -187,7 +201,6 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 
 // createEngineConfig converts configuration received from Management Service to EngineConfig
 func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.PeerConfig) (*EngineConfig, error) {
-
 	engineConf := &EngineConfig{
 		WgIfaceName:          config.WgIface,
 		WgAddr:               peerConfig.Address,
@@ -197,6 +210,7 @@ func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.Pe
 		WgPort:               config.WgPort,
 		SSHKey:               []byte(config.SSHKey),
 		NATExternalIPs:       config.NATExternalIPs,
+		CustomDNSAddress:     config.CustomDNSAddress,
 	}
 
 	if config.PreSharedKey != "" {
@@ -245,17 +259,17 @@ func loginToManagement(ctx context.Context, client mgm.Client, pubSSHKey []byte)
 	return loginResp, nil
 }
 
-// ManagementLegacyPort is the port that was used before by the Management gRPC server.
-// It is used for backward compatibility now.
-// NB: hardcoded from github.com/netbirdio/netbird/management/cmd to avoid import
-const ManagementLegacyPort = 33073
-
 // UpdateOldManagementPort checks whether client can switch to the new Management port 443.
 // If it can switch, then it updates the config and returns a new one. Otherwise, it returns the provided config.
 // The check is performed only for the NetBird's managed version.
 func UpdateOldManagementPort(ctx context.Context, config *Config, configPath string) (*Config, error) {
 
-	if config.ManagementURL.Hostname() != ManagementURLDefault().Hostname() {
+	defaultManagementURL, err := parseURL("Management URL", DefaultManagementURL)
+	if err != nil {
+		return nil, err
+	}
+
+	if config.ManagementURL.Hostname() != defaultManagementURL.Hostname() {
 		// only do the check for the NetBird's managed version
 		return config, nil
 	}
@@ -272,7 +286,7 @@ func UpdateOldManagementPort(ctx context.Context, config *Config, configPath str
 
 	if mgmTlsEnabled && config.ManagementURL.Port() == fmt.Sprintf("%d", ManagementLegacyPort) {
 
-		newURL, err := ParseURL("Management URL", fmt.Sprintf("%s://%s:%d",
+		newURL, err := parseURL("Management URL", fmt.Sprintf("%s://%s:%d",
 			config.ManagementURL.Scheme, config.ManagementURL.Hostname(), 443))
 		if err != nil {
 			return nil, err
@@ -306,7 +320,10 @@ func UpdateOldManagementPort(ctx context.Context, config *Config, configPath str
 		}
 
 		// everything is alright => update the config
-		newConfig, err := ReadConfig(newURL.String(), "", configPath, nil)
+		newConfig, err := UpdateConfig(ConfigInput{
+			ManagementURL: newURL.String(),
+			ConfigPath:    configPath,
+		})
 		if err != nil {
 			log.Infof("couldn't switch to the new Management %s", newURL.String())
 			return config, fmt.Errorf("failed updating config file: %v", err)
@@ -318,3 +335,15 @@ func UpdateOldManagementPort(ctx context.Context, config *Config, configPath str
 
 	return config, nil
 }
+
+func statusRecorderToMgmConnStateNotifier(statusRecorder *peer.Status) mgm.ConnStateNotifier {
+	var sri interface{} = statusRecorder
+	mgmNotifier, _ := sri.(mgm.ConnStateNotifier)
+	return mgmNotifier
+}
+
+func statusRecorderToSignalConnStateNotifier(statusRecorder *peer.Status) signal.ConnStateNotifier {
+	var sri interface{} = statusRecorder
+	notifier, _ := sri.(signal.ConnStateNotifier)
+	return notifier
+}

client/internal/device_auth.go

@@ -0,0 +1,134 @@
+package internal
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+
+	log "github.com/sirupsen/logrus"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	mgm "github.com/netbirdio/netbird/management/client"
+)
+
+// DeviceAuthorizationFlow represents Device Authorization Flow information
+type DeviceAuthorizationFlow struct {
+	Provider       string
+	ProviderConfig ProviderConfig
+}
+
+// ProviderConfig has all attributes needed to initiate a device authorization flow
+type ProviderConfig struct {
+	// ClientID An IDP application client id
+	ClientID string
+	// ClientSecret An IDP application client secret
+	ClientSecret string
+	// Domain An IDP API domain
+	// Deprecated. Use OIDCConfigEndpoint instead
+	Domain string
+	// Audience An Audience for to authorization validation
+	Audience string
+	// TokenEndpoint is the endpoint of an IDP manager where clients can obtain access token
+	TokenEndpoint string
+	// DeviceAuthEndpoint is the endpoint of an IDP manager where clients can obtain device authorization code
+	DeviceAuthEndpoint string
+	// Scopes provides the scopes to be included in the token request
+	Scope string
+	// UseIDToken indicates if the id token should be used for authentication
+	UseIDToken bool
+}
+
+// GetDeviceAuthorizationFlowInfo initialize a DeviceAuthorizationFlow instance and return with it
+func GetDeviceAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL *url.URL) (DeviceAuthorizationFlow, error) {
+	// validate our peer's Wireguard PRIVATE key
+	myPrivateKey, err := wgtypes.ParseKey(privateKey)
+	if err != nil {
+		log.Errorf("failed parsing Wireguard key %s: [%s]", privateKey, err.Error())
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	var mgmTLSEnabled bool
+	if mgmURL.Scheme == "https" {
+		mgmTLSEnabled = true
+	}
+
+	log.Debugf("connecting to Management Service %s", mgmURL.String())
+	mgmClient, err := mgm.NewClient(ctx, mgmURL.Host, myPrivateKey, mgmTLSEnabled)
+	if err != nil {
+		log.Errorf("failed connecting to Management Service %s %v", mgmURL.String(), err)
+		return DeviceAuthorizationFlow{}, err
+	}
+	log.Debugf("connected to the Management service %s", mgmURL.String())
+
+	defer func() {
+		err = mgmClient.Close()
+		if err != nil {
+			log.Warnf("failed to close the Management service client %v", err)
+		}
+	}()
+
+	serverKey, err := mgmClient.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	protoDeviceAuthorizationFlow, err := mgmClient.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)
+			return DeviceAuthorizationFlow{}, err
+		}
+		log.Errorf("failed to retrieve device flow: %v", err)
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	deviceAuthorizationFlow := DeviceAuthorizationFlow{
+		Provider: protoDeviceAuthorizationFlow.Provider.String(),
+
+		ProviderConfig: ProviderConfig{
+			Audience:           protoDeviceAuthorizationFlow.GetProviderConfig().GetAudience(),
+			ClientID:           protoDeviceAuthorizationFlow.GetProviderConfig().GetClientID(),
+			ClientSecret:       protoDeviceAuthorizationFlow.GetProviderConfig().GetClientSecret(),
+			Domain:             protoDeviceAuthorizationFlow.GetProviderConfig().Domain,
+			TokenEndpoint:      protoDeviceAuthorizationFlow.GetProviderConfig().GetTokenEndpoint(),
+			DeviceAuthEndpoint: protoDeviceAuthorizationFlow.GetProviderConfig().GetDeviceAuthEndpoint(),
+			Scope:              protoDeviceAuthorizationFlow.GetProviderConfig().GetScope(),
+			UseIDToken:         protoDeviceAuthorizationFlow.GetProviderConfig().GetUseIDToken(),
+		},
+	}
+
+	// keep compatibility with older management versions
+	if deviceAuthorizationFlow.ProviderConfig.Scope == "" {
+		deviceAuthorizationFlow.ProviderConfig.Scope = "openid"
+	}
+
+	err = isProviderConfigValid(deviceAuthorizationFlow.ProviderConfig)
+	if err != nil {
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	return deviceAuthorizationFlow, nil
+}
+
+func isProviderConfigValid(config ProviderConfig) error {
+	errorMSGFormat := "invalid provider configuration received from management: %s value is empty. Contact your NetBird administrator"
+	if config.Audience == "" {
+		return fmt.Errorf(errorMSGFormat, "Audience")
+	}
+	if config.ClientID == "" {
+		return fmt.Errorf(errorMSGFormat, "Client ID")
+	}
+	if config.TokenEndpoint == "" {
+		return fmt.Errorf(errorMSGFormat, "Token Endpoint")
+	}
+	if config.DeviceAuthEndpoint == "" {
+		return fmt.Errorf(errorMSGFormat, "Device Auth Endpoint")
+	}
+	if config.Scope == "" {
+		return fmt.Errorf(errorMSGFormat, "Device Auth Scopes")
+	}
+	return nil
+}

client/internal/dns/file_linux.go

@@ -3,8 +3,9 @@ package dns
 import (
 	"bytes"
 	"fmt"
-	log "github.com/sirupsen/logrus"
 	"os"
+
+	log "github.com/sirupsen/logrus"
 )
 
 const (
@@ -14,6 +15,7 @@ const (
 		"\n# If needed you can restore the original file by copying back %s\n\nnameserver %s\n" +
 		fileGeneratedResolvConfSearchBeginContent + "%s\n"
 )
+
 const (
 	fileDefaultResolvConfBackupLocation = defaultResolvConfPath + ".original.netbird"
 	fileMaxLineCharsLimit               = 256
@@ -66,7 +68,7 @@ func (f *fileConfigurator) applyDNSConfig(config hostDNSConfig) error {
 	var searchDomains string
 	appendedDomains := 0
 	for _, dConf := range config.domains {
-		if dConf.matchOnly {
+		if dConf.matchOnly || dConf.disabled {
 			continue
 		}
 		if appendedDomains >= fileMaxNumberOfSearchDomains {

client/internal/dns/host.go

@@ -2,8 +2,9 @@ package dns
 
 import (
 	"fmt"
-	nbdns "github.com/netbirdio/netbird/dns"
 	"strings"
+
+	nbdns "github.com/netbirdio/netbird/dns"
 )
 
 type hostManager interface {
@@ -19,6 +20,7 @@ type hostDNSConfig struct {
 }
 
 type domainConfig struct {
+	disabled  bool
 	domain    string
 	matchOnly bool
 }
@@ -56,6 +58,9 @@ func dnsConfigToHostDNSConfig(dnsConfig nbdns.Config, ip string, port int) hostD
 		serverPort: port,
 	}
 	for _, nsConfig := range dnsConfig.NameServerGroups {
+		if len(nsConfig.NameServers) == 0 {
+			continue
+		}
 		if nsConfig.Primary {
 			config.routeAll = true
 		}

client/internal/dns/host_darwin.go

@@ -4,11 +4,12 @@ import (
 	"bufio"
 	"bytes"
 	"fmt"
-	"github.com/netbirdio/netbird/iface"
-	log "github.com/sirupsen/logrus"
 	"os/exec"
 	"strconv"
 	"strings"
+
+	"github.com/netbirdio/netbird/iface"
+	log "github.com/sirupsen/logrus"
 )
 
 const (
@@ -61,6 +62,9 @@ func (s *systemConfigurator) applyDNSConfig(config hostDNSConfig) error {
 	)
 
 	for _, dConf := range config.domains {
+		if dConf.disabled {
+			continue
+		}
 		if dConf.matchOnly {
 			matchDomains = append(matchDomains, dConf.domain)
 			continue

client/internal/dns/host_windows.go

@@ -2,10 +2,11 @@ package dns
 
 import (
 	"fmt"
+	"strings"
+
 	"github.com/netbirdio/netbird/iface"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/sys/windows/registry"
-	"strings"
 )
 
 const (
@@ -63,6 +64,9 @@ func (r *registryConfigurator) applyDNSConfig(config hostDNSConfig) error {
 	)
 
 	for _, dConf := range config.domains {
+		if dConf.disabled {
+			continue
+		}
 		if !dConf.matchOnly {
 			searchDomains = append(searchDomains, dConf.domain)
 		}

client/internal/dns/local.go

@@ -8,6 +8,8 @@ import (
 	"sync"
 )
 
+type registrationMap map[string]struct{}
+
 type localResolver struct {
 	registeredMap registrationMap
 	records       sync.Map

client/internal/dns/mock_test.go

@@ -1,8 +1,9 @@
 package dns
 
 import (
-	"github.com/miekg/dns"
 	"net"
+
+	"github.com/miekg/dns"
 )
 
 type mockResponseWriter struct {

client/internal/dns/network_manager_linux.go

@@ -4,14 +4,15 @@ import (
 	"context"
 	"encoding/binary"
 	"fmt"
+	"net/netip"
+	"regexp"
+	"time"
+
 	"github.com/godbus/dbus/v5"
 	"github.com/hashicorp/go-version"
 	"github.com/miekg/dns"
 	"github.com/netbirdio/netbird/iface"
 	log "github.com/sirupsen/logrus"
-	"net/netip"
-	"regexp"
-	"time"
 )
 
 const (
@@ -75,12 +76,12 @@ func newNetworkManagerDbusConfigurator(wgInterface *iface.WGIface) (hostManager,
 	}
 	defer closeConn()
 	var s string
-	err = obj.Call(networkManagerDbusGetDeviceByIPIfaceMethod, dbusDefaultFlag, wgInterface.GetName()).Store(&s)
+	err = obj.Call(networkManagerDbusGetDeviceByIPIfaceMethod, dbusDefaultFlag, wgInterface.Name()).Store(&s)
 	if err != nil {
 		return nil, err
 	}
 
-	log.Debugf("got network manager dbus Link Object: %s from net interface %s", s, wgInterface.GetName())
+	log.Debugf("got network manager dbus Link Object: %s from net interface %s", s, wgInterface.Name())
 
 	return &networkManagerDbusConfigurator{
 		dbusLinkObject: dbus.ObjectPath(s),
@@ -106,6 +107,9 @@ func (n *networkManagerDbusConfigurator) applyDNSConfig(config hostDNSConfig) er
 		matchDomains  []string
 	)
 	for _, dConf := range config.domains {
+		if dConf.disabled {
+			continue
+		}
 		if dConf.matchOnly {
 			matchDomains = append(matchDomains, "~."+dns.Fqdn(dConf.domain))
 			continue

client/internal/dns/resolvconf_linux.go

@@ -2,10 +2,11 @@ package dns
 
 import (
 	"fmt"
-	"github.com/netbirdio/netbird/iface"
-	log "github.com/sirupsen/logrus"
 	"os/exec"
 	"strings"
+
+	"github.com/netbirdio/netbird/iface"
+	log "github.com/sirupsen/logrus"
 )
 
 const resolvconfCommand = "resolvconf"
@@ -16,7 +17,7 @@ type resolvconf struct {
 
 func newResolvConfConfigurator(wgInterface *iface.WGIface) (hostManager, error) {
 	return &resolvconf{
-		ifaceName: wgInterface.GetName(),
+		ifaceName: wgInterface.Name(),
 	}, nil
 }
 
@@ -33,7 +34,7 @@ func (r *resolvconf) applyDNSConfig(config hostDNSConfig) error {
 	var searchDomains string
 	appendedDomains := 0
 	for _, dConf := range config.domains {
-		if dConf.matchOnly {
+		if dConf.matchOnly || dConf.disabled {
 			continue
 		}
 

client/internal/dns/server.go

@@ -1,26 +1,6 @@
 package dns
 
-import (
-	"context"
-	"fmt"
-	"github.com/miekg/dns"
-	"github.com/mitchellh/hashstructure/v2"
-	nbdns "github.com/netbirdio/netbird/dns"
-	"github.com/netbirdio/netbird/iface"
-	log "github.com/sirupsen/logrus"
-	"net"
-	"net/netip"
-	"runtime"
-	"sync"
-	"time"
-)
-
-const (
-	defaultPort = 53
-	customPort  = 5053
-	defaultIP   = "127.0.0.1"
-	customIP    = "127.0.0.153"
-)
+import nbdns "github.com/netbirdio/netbird/dns"
 
 // Server is a dns server interface
 type Server interface {
@@ -28,338 +8,3 @@ type Server interface {
 	Stop()
 	UpdateDNSServer(serial uint64, update nbdns.Config) error
 }
-
-// DefaultServer dns server object
-type DefaultServer struct {
-	ctx                context.Context
-	stop               context.CancelFunc
-	mux                sync.Mutex
-	server             *dns.Server
-	dnsMux             *dns.ServeMux
-	dnsMuxMap          registrationMap
-	localResolver      *localResolver
-	wgInterface        *iface.WGIface
-	hostManager        hostManager
-	updateSerial       uint64
-	listenerIsRunning  bool
-	runtimePort        int
-	runtimeIP          string
-	previousConfigHash uint64
-}
-
-type registrationMap map[string]struct{}
-
-type muxUpdate struct {
-	domain  string
-	handler dns.Handler
-}
-
-// NewDefaultServer returns a new dns server
-func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface) (*DefaultServer, error) {
-	mux := dns.NewServeMux()
-
-	dnsServer := &dns.Server{
-		Net:     "udp",
-		Handler: mux,
-		UDPSize: 65535,
-	}
-
-	ctx, stop := context.WithCancel(ctx)
-
-	defaultServer := &DefaultServer{
-		ctx:       ctx,
-		stop:      stop,
-		server:    dnsServer,
-		dnsMux:    mux,
-		dnsMuxMap: make(registrationMap),
-		localResolver: &localResolver{
-			registeredMap: make(registrationMap),
-		},
-		wgInterface: wgInterface,
-		runtimePort: defaultPort,
-	}
-
-	hostmanager, err := newHostManager(wgInterface)
-	if err != nil {
-		return nil, err
-	}
-	defaultServer.hostManager = hostmanager
-	return defaultServer, err
-}
-
-// Start runs the listener in a go routine
-func (s *DefaultServer) Start() {
-
-	ip, port, err := s.getFirstListenerAvailable()
-	if err != nil {
-		log.Error(err)
-		return
-	}
-	s.runtimeIP = ip
-	s.runtimePort = port
-	s.server.Addr = fmt.Sprintf("%s:%d", s.runtimeIP, s.runtimePort)
-
-	log.Debugf("starting dns on %s", s.server.Addr)
-
-	go func() {
-		s.setListenerStatus(true)
-		defer s.setListenerStatus(false)
-
-		err = s.server.ListenAndServe()
-		if err != nil {
-			log.Errorf("dns server running with %d port returned an error: %v. Will not retry", s.runtimePort, err)
-		}
-	}()
-}
-
-func (s *DefaultServer) getFirstListenerAvailable() (string, int, error) {
-	ips := []string{defaultIP, customIP}
-	if runtime.GOOS != "darwin" && s.wgInterface != nil {
-		ips = append([]string{s.wgInterface.GetAddress().IP.String()}, ips...)
-	}
-	ports := []int{defaultPort, customPort}
-	for _, port := range ports {
-		for _, ip := range ips {
-			addrString := fmt.Sprintf("%s:%d", ip, port)
-			udpAddr := net.UDPAddrFromAddrPort(netip.MustParseAddrPort(addrString))
-			probeListener, err := net.ListenUDP("udp", udpAddr)
-			if err == nil {
-				err = probeListener.Close()
-				if err != nil {
-					log.Errorf("got an error closing the probe listener, error: %s", err)
-				}
-				return ip, port, nil
-			}
-			log.Warnf("binding dns on %s is not available, error: %s", addrString, err)
-		}
-	}
-	return "", 0, fmt.Errorf("unable to find an unused ip and port combination. IPs tested: %v and ports %v", ips, ports)
-}
-
-func (s *DefaultServer) setListenerStatus(running bool) {
-	s.listenerIsRunning = running
-}
-
-// Stop stops the server
-func (s *DefaultServer) Stop() {
-	s.mux.Lock()
-	defer s.mux.Unlock()
-	s.stop()
-
-	err := s.hostManager.restoreHostDNS()
-	if err != nil {
-		log.Error(err)
-	}
-
-	err = s.stopListener()
-	if err != nil {
-		log.Error(err)
-	}
-}
-
-func (s *DefaultServer) stopListener() error {
-	if !s.listenerIsRunning {
-		return nil
-	}
-
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-
-	err := s.server.ShutdownContext(ctx)
-	if err != nil {
-		return fmt.Errorf("stopping dns server listener returned an error: %v", err)
-	}
-	return nil
-}
-
-// UpdateDNSServer processes an update received from the management service
-func (s *DefaultServer) UpdateDNSServer(serial uint64, update nbdns.Config) error {
-	select {
-	case <-s.ctx.Done():
-		log.Infof("not updating DNS server as context is closed")
-		return s.ctx.Err()
-	default:
-		if serial < s.updateSerial {
-			return fmt.Errorf("not applying dns update, error: "+
-				"network update is %d behind the last applied update", s.updateSerial-serial)
-		}
-		s.mux.Lock()
-		defer s.mux.Unlock()
-
-		hash, err := hashstructure.Hash(update, hashstructure.FormatV2, &hashstructure.HashOptions{
-			ZeroNil:         true,
-			IgnoreZeroValue: true,
-			SlicesAsSets:    true,
-		})
-		if err != nil {
-			log.Errorf("unable to hash the dns configuration update, got error: %s", err)
-		}
-
-		if s.previousConfigHash == hash {
-			log.Debugf("not applying the dns configuration update as there is nothing new")
-			s.updateSerial = serial
-			return nil
-		}
-		// is the service should be disabled, we stop the listener
-		// and proceed with a regular update to clean up the handlers and records
-		if !update.ServiceEnable {
-			err := s.stopListener()
-			if err != nil {
-				log.Error(err)
-			}
-		} else if !s.listenerIsRunning {
-			s.Start()
-		}
-
-		localMuxUpdates, localRecords, err := s.buildLocalHandlerUpdate(update.CustomZones)
-		if err != nil {
-			return fmt.Errorf("not applying dns update, error: %v", err)
-		}
-		upstreamMuxUpdates, err := s.buildUpstreamHandlerUpdate(update.NameServerGroups)
-		if err != nil {
-			return fmt.Errorf("not applying dns update, error: %v", err)
-		}
-
-		muxUpdates := append(localMuxUpdates, upstreamMuxUpdates...)
-
-		s.updateMux(muxUpdates)
-		s.updateLocalResolver(localRecords)
-
-		err = s.hostManager.applyDNSConfig(dnsConfigToHostDNSConfig(update, s.runtimeIP, s.runtimePort))
-		if err != nil {
-			log.Error(err)
-		}
-
-		s.updateSerial = serial
-		s.previousConfigHash = hash
-
-		return nil
-	}
-}
-
-func (s *DefaultServer) buildLocalHandlerUpdate(customZones []nbdns.CustomZone) ([]muxUpdate, map[string]nbdns.SimpleRecord, error) {
-	var muxUpdates []muxUpdate
-	localRecords := make(map[string]nbdns.SimpleRecord, 0)
-
-	for _, customZone := range customZones {
-
-		if len(customZone.Records) == 0 {
-			return nil, nil, fmt.Errorf("received an empty list of records")
-		}
-
-		muxUpdates = append(muxUpdates, muxUpdate{
-			domain:  customZone.Domain,
-			handler: s.localResolver,
-		})
-
-		for _, record := range customZone.Records {
-			var class uint16 = dns.ClassINET
-			if record.Class != nbdns.DefaultClass {
-				return nil, nil, fmt.Errorf("received an invalid class type: %s", record.Class)
-			}
-			key := buildRecordKey(record.Name, class, uint16(record.Type))
-			localRecords[key] = record
-		}
-	}
-	return muxUpdates, localRecords, nil
-}
-
-func (s *DefaultServer) buildUpstreamHandlerUpdate(nameServerGroups []*nbdns.NameServerGroup) ([]muxUpdate, error) {
-	var muxUpdates []muxUpdate
-	for _, nsGroup := range nameServerGroups {
-		if len(nsGroup.NameServers) == 0 {
-			return nil, fmt.Errorf("received a nameserver group with empty nameserver list")
-		}
-		handler := &upstreamResolver{
-			parentCTX:       s.ctx,
-			upstreamClient:  &dns.Client{},
-			upstreamTimeout: defaultUpstreamTimeout,
-		}
-		for _, ns := range nsGroup.NameServers {
-			if ns.NSType != nbdns.UDPNameServerType {
-				log.Warnf("skiping nameserver %s with type %s, this peer supports only %s",
-					ns.IP.String(), ns.NSType.String(), nbdns.UDPNameServerType.String())
-				continue
-			}
-			handler.upstreamServers = append(handler.upstreamServers, getNSHostPort(ns))
-		}
-
-		if len(handler.upstreamServers) == 0 {
-			log.Errorf("received a nameserver group with an invalid nameserver list")
-			continue
-		}
-
-		if nsGroup.Primary {
-			muxUpdates = append(muxUpdates, muxUpdate{
-				domain:  nbdns.RootZone,
-				handler: handler,
-			})
-			continue
-		}
-
-		if len(nsGroup.Domains) == 0 {
-			return nil, fmt.Errorf("received a non primary nameserver group with an empty domain list")
-		}
-
-		for _, domain := range nsGroup.Domains {
-			if domain == "" {
-				return nil, fmt.Errorf("received a nameserver group with an empty domain element")
-			}
-			muxUpdates = append(muxUpdates, muxUpdate{
-				domain:  domain,
-				handler: handler,
-			})
-		}
-	}
-	return muxUpdates, nil
-}
-
-func (s *DefaultServer) updateMux(muxUpdates []muxUpdate) {
-	muxUpdateMap := make(registrationMap)
-
-	for _, update := range muxUpdates {
-		s.registerMux(update.domain, update.handler)
-		muxUpdateMap[update.domain] = struct{}{}
-	}
-
-	for key := range s.dnsMuxMap {
-		_, found := muxUpdateMap[key]
-		if !found {
-			s.deregisterMux(key)
-		}
-	}
-
-	s.dnsMuxMap = muxUpdateMap
-}
-
-func (s *DefaultServer) updateLocalResolver(update map[string]nbdns.SimpleRecord) {
-	for key := range s.localResolver.registeredMap {
-		_, found := update[key]
-		if !found {
-			s.localResolver.deleteRecord(key)
-		}
-	}
-
-	updatedMap := make(registrationMap)
-	for key, record := range update {
-		err := s.localResolver.registerRecord(record)
-		if err != nil {
-			log.Warnf("got an error while registering the record (%s), error: %v", record.String(), err)
-		}
-		updatedMap[key] = struct{}{}
-	}
-
-	s.localResolver.registeredMap = updatedMap
-}
-
-func getNSHostPort(ns nbdns.NameServer) string {
-	return fmt.Sprintf("%s:%d", ns.IP.String(), ns.Port)
-}
-
-func (s *DefaultServer) registerMux(pattern string, handler dns.Handler) {
-	s.dnsMux.Handle(pattern, handler)
-}
-
-func (s *DefaultServer) deregisterMux(pattern string) {
-	s.dnsMux.HandleRemove(pattern)
-}

client/internal/dns/server_android.go

@@ -0,0 +1,32 @@
+package dns
+
+import (
+	"context"
+
+	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/iface"
+)
+
+// DefaultServer dummy dns server
+type DefaultServer struct {
+}
+
+// NewDefaultServer On Android the DNS feature is not supported yet
+func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface, customAddress string) (*DefaultServer, error) {
+	return &DefaultServer{}, nil
+}
+
+// Start dummy implementation
+func (s DefaultServer) Start() {
+
+}
+
+// Stop dummy implementation
+func (s DefaultServer) Stop() {
+
+}
+
+// UpdateDNSServer dummy implementation
+func (s DefaultServer) UpdateDNSServer(serial uint64, update nbdns.Config) error {
+	return nil
+}

client/internal/dns/server_nonandroid.go

@@ -0,0 +1,465 @@
+//go:build !android
+
+package dns
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/netip"
+	"runtime"
+	"sync"
+	"time"
+
+	"github.com/miekg/dns"
+	"github.com/mitchellh/hashstructure/v2"
+	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/iface"
+	log "github.com/sirupsen/logrus"
+)
+
+const (
+	defaultPort = 53
+	customPort  = 5053
+	defaultIP   = "127.0.0.1"
+	customIP    = "127.0.0.153"
+)
+
+// DefaultServer dns server object
+type DefaultServer struct {
+	ctx                context.Context
+	ctxCancel          context.CancelFunc
+	upstreamCtxCancel  context.CancelFunc
+	mux                sync.Mutex
+	server             *dns.Server
+	dnsMux             *dns.ServeMux
+	dnsMuxMap          registrationMap
+	localResolver      *localResolver
+	wgInterface        *iface.WGIface
+	hostManager        hostManager
+	updateSerial       uint64
+	listenerIsRunning  bool
+	runtimePort        int
+	runtimeIP          string
+	previousConfigHash uint64
+	currentConfig      hostDNSConfig
+	customAddress      *netip.AddrPort
+}
+
+type muxUpdate struct {
+	domain  string
+	handler dns.Handler
+}
+
+// NewDefaultServer returns a new dns server
+func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface, customAddress string) (*DefaultServer, error) {
+	mux := dns.NewServeMux()
+
+	dnsServer := &dns.Server{
+		Net:     "udp",
+		Handler: mux,
+		UDPSize: 65535,
+	}
+
+	ctx, stop := context.WithCancel(ctx)
+
+	var addrPort *netip.AddrPort
+	if customAddress != "" {
+		parsedAddrPort, err := netip.ParseAddrPort(customAddress)
+		if err != nil {
+			stop()
+			return nil, fmt.Errorf("unable to parse the custom dns address, got error: %s", err)
+		}
+		addrPort = &parsedAddrPort
+	}
+
+	defaultServer := &DefaultServer{
+		ctx:       ctx,
+		ctxCancel: stop,
+		server:    dnsServer,
+		dnsMux:    mux,
+		dnsMuxMap: make(registrationMap),
+		localResolver: &localResolver{
+			registeredMap: make(registrationMap),
+		},
+		wgInterface:   wgInterface,
+		runtimePort:   defaultPort,
+		customAddress: addrPort,
+	}
+
+	hostmanager, err := newHostManager(wgInterface)
+	if err != nil {
+		stop()
+		return nil, err
+	}
+	defaultServer.hostManager = hostmanager
+	return defaultServer, err
+}
+
+// Start runs the listener in a go routine
+func (s *DefaultServer) Start() {
+	if s.customAddress != nil {
+		s.runtimeIP = s.customAddress.Addr().String()
+		s.runtimePort = int(s.customAddress.Port())
+	} else {
+		ip, port, err := s.getFirstListenerAvailable()
+		if err != nil {
+			log.Error(err)
+			return
+		}
+		s.runtimeIP = ip
+		s.runtimePort = port
+	}
+
+	s.server.Addr = fmt.Sprintf("%s:%d", s.runtimeIP, s.runtimePort)
+
+	log.Debugf("starting dns on %s", s.server.Addr)
+
+	go func() {
+		s.setListenerStatus(true)
+		defer s.setListenerStatus(false)
+
+		err := s.server.ListenAndServe()
+		if err != nil {
+			log.Errorf("dns server running with %d port returned an error: %v. Will not retry", s.runtimePort, err)
+		}
+	}()
+}
+
+func (s *DefaultServer) getFirstListenerAvailable() (string, int, error) {
+	ips := []string{defaultIP, customIP}
+	if runtime.GOOS != "darwin" && s.wgInterface != nil {
+		ips = append([]string{s.wgInterface.Address().IP.String()}, ips...)
+	}
+	ports := []int{defaultPort, customPort}
+	for _, port := range ports {
+		for _, ip := range ips {
+			addrString := fmt.Sprintf("%s:%d", ip, port)
+			udpAddr := net.UDPAddrFromAddrPort(netip.MustParseAddrPort(addrString))
+			probeListener, err := net.ListenUDP("udp", udpAddr)
+			if err == nil {
+				err = probeListener.Close()
+				if err != nil {
+					log.Errorf("got an error closing the probe listener, error: %s", err)
+				}
+				return ip, port, nil
+			}
+			log.Warnf("binding dns on %s is not available, error: %s", addrString, err)
+		}
+	}
+	return "", 0, fmt.Errorf("unable to find an unused ip and port combination. IPs tested: %v and ports %v", ips, ports)
+}
+
+func (s *DefaultServer) setListenerStatus(running bool) {
+	s.listenerIsRunning = running
+}
+
+// Stop stops the server
+func (s *DefaultServer) Stop() {
+	s.mux.Lock()
+	defer s.mux.Unlock()
+	s.ctxCancel()
+
+	err := s.hostManager.restoreHostDNS()
+	if err != nil {
+		log.Error(err)
+	}
+
+	err = s.stopListener()
+	if err != nil {
+		log.Error(err)
+	}
+}
+
+func (s *DefaultServer) stopListener() error {
+	if !s.listenerIsRunning {
+		return nil
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	err := s.server.ShutdownContext(ctx)
+	if err != nil {
+		return fmt.Errorf("stopping dns server listener returned an error: %v", err)
+	}
+	return nil
+}
+
+// UpdateDNSServer processes an update received from the management service
+func (s *DefaultServer) UpdateDNSServer(serial uint64, update nbdns.Config) error {
+	select {
+	case <-s.ctx.Done():
+		log.Infof("not updating DNS server as context is closed")
+		return s.ctx.Err()
+	default:
+		if serial < s.updateSerial {
+			return fmt.Errorf("not applying dns update, error: "+
+				"network update is %d behind the last applied update", s.updateSerial-serial)
+		}
+		s.mux.Lock()
+		defer s.mux.Unlock()
+
+		hash, err := hashstructure.Hash(update, hashstructure.FormatV2, &hashstructure.HashOptions{
+			ZeroNil:         true,
+			IgnoreZeroValue: true,
+			SlicesAsSets:    true,
+			UseStringer:     true,
+		})
+		if err != nil {
+			log.Errorf("unable to hash the dns configuration update, got error: %s", err)
+		}
+
+		if s.previousConfigHash == hash {
+			log.Debugf("not applying the dns configuration update as there is nothing new")
+			s.updateSerial = serial
+			return nil
+		}
+
+		if err := s.applyConfiguration(update); err != nil {
+			return err
+		}
+
+		s.updateSerial = serial
+		s.previousConfigHash = hash
+
+		return nil
+	}
+}
+
+func (s *DefaultServer) applyConfiguration(update nbdns.Config) error {
+	// is the service should be disabled, we stop the listener
+	// and proceed with a regular update to clean up the handlers and records
+	if !update.ServiceEnable {
+		err := s.stopListener()
+		if err != nil {
+			log.Error(err)
+		}
+	} else if !s.listenerIsRunning {
+		s.Start()
+	}
+
+	localMuxUpdates, localRecords, err := s.buildLocalHandlerUpdate(update.CustomZones)
+	if err != nil {
+		return fmt.Errorf("not applying dns update, error: %v", err)
+	}
+	upstreamMuxUpdates, err := s.buildUpstreamHandlerUpdate(update.NameServerGroups)
+	if err != nil {
+		return fmt.Errorf("not applying dns update, error: %v", err)
+	}
+
+	muxUpdates := append(localMuxUpdates, upstreamMuxUpdates...)
+
+	s.updateMux(muxUpdates)
+	s.updateLocalResolver(localRecords)
+	s.currentConfig = dnsConfigToHostDNSConfig(update, s.runtimeIP, s.runtimePort)
+
+	if err = s.hostManager.applyDNSConfig(s.currentConfig); err != nil {
+		log.Error(err)
+	}
+
+	return nil
+}
+
+func (s *DefaultServer) buildLocalHandlerUpdate(customZones []nbdns.CustomZone) ([]muxUpdate, map[string]nbdns.SimpleRecord, error) {
+	var muxUpdates []muxUpdate
+	localRecords := make(map[string]nbdns.SimpleRecord, 0)
+
+	for _, customZone := range customZones {
+
+		if len(customZone.Records) == 0 {
+			return nil, nil, fmt.Errorf("received an empty list of records")
+		}
+
+		muxUpdates = append(muxUpdates, muxUpdate{
+			domain:  customZone.Domain,
+			handler: s.localResolver,
+		})
+
+		for _, record := range customZone.Records {
+			var class uint16 = dns.ClassINET
+			if record.Class != nbdns.DefaultClass {
+				return nil, nil, fmt.Errorf("received an invalid class type: %s", record.Class)
+			}
+			key := buildRecordKey(record.Name, class, uint16(record.Type))
+			localRecords[key] = record
+		}
+	}
+	return muxUpdates, localRecords, nil
+}
+
+func (s *DefaultServer) buildUpstreamHandlerUpdate(nameServerGroups []*nbdns.NameServerGroup) ([]muxUpdate, error) {
+	// clean up the previous upstream resolver
+	if s.upstreamCtxCancel != nil {
+		s.upstreamCtxCancel()
+	}
+
+	var muxUpdates []muxUpdate
+	for _, nsGroup := range nameServerGroups {
+		if len(nsGroup.NameServers) == 0 {
+			log.Warn("received a nameserver group with empty nameserver list")
+			continue
+		}
+
+		var ctx context.Context
+		ctx, s.upstreamCtxCancel = context.WithCancel(s.ctx)
+
+		handler := newUpstreamResolver(ctx)
+		for _, ns := range nsGroup.NameServers {
+			if ns.NSType != nbdns.UDPNameServerType {
+				log.Warnf("skiping nameserver %s with type %s, this peer supports only %s",
+					ns.IP.String(), ns.NSType.String(), nbdns.UDPNameServerType.String())
+				continue
+			}
+			handler.upstreamServers = append(handler.upstreamServers, getNSHostPort(ns))
+		}
+
+		if len(handler.upstreamServers) == 0 {
+			log.Errorf("received a nameserver group with an invalid nameserver list")
+			continue
+		}
+
+		// when upstream fails to resolve domain several times over all it servers
+		// it will calls this hook to exclude self from the configuration and
+		// reapply DNS settings, but it not touch the original configuration and serial number
+		// because it is temporal deactivation until next try
+		//
+		// after some period defined by upstream it trys to reactivate self by calling this hook
+		// everything we need here is just to re-apply current configuration because it already
+		// contains this upstream settings (temporal deactivation not removed it)
+		handler.deactivate, handler.reactivate = s.upstreamCallbacks(nsGroup, handler)
+
+		if nsGroup.Primary {
+			muxUpdates = append(muxUpdates, muxUpdate{
+				domain:  nbdns.RootZone,
+				handler: handler,
+			})
+			continue
+		}
+
+		if len(nsGroup.Domains) == 0 {
+			return nil, fmt.Errorf("received a non primary nameserver group with an empty domain list")
+		}
+
+		for _, domain := range nsGroup.Domains {
+			if domain == "" {
+				return nil, fmt.Errorf("received a nameserver group with an empty domain element")
+			}
+			muxUpdates = append(muxUpdates, muxUpdate{
+				domain:  domain,
+				handler: handler,
+			})
+		}
+	}
+	return muxUpdates, nil
+}
+
+func (s *DefaultServer) updateMux(muxUpdates []muxUpdate) {
+	muxUpdateMap := make(registrationMap)
+
+	for _, update := range muxUpdates {
+		s.registerMux(update.domain, update.handler)
+		muxUpdateMap[update.domain] = struct{}{}
+	}
+
+	for key := range s.dnsMuxMap {
+		_, found := muxUpdateMap[key]
+		if !found {
+			s.deregisterMux(key)
+		}
+	}
+
+	s.dnsMuxMap = muxUpdateMap
+}
+
+func (s *DefaultServer) updateLocalResolver(update map[string]nbdns.SimpleRecord) {
+	for key := range s.localResolver.registeredMap {
+		_, found := update[key]
+		if !found {
+			s.localResolver.deleteRecord(key)
+		}
+	}
+
+	updatedMap := make(registrationMap)
+	for key, record := range update {
+		err := s.localResolver.registerRecord(record)
+		if err != nil {
+			log.Warnf("got an error while registering the record (%s), error: %v", record.String(), err)
+		}
+		updatedMap[key] = struct{}{}
+	}
+
+	s.localResolver.registeredMap = updatedMap
+}
+
+func getNSHostPort(ns nbdns.NameServer) string {
+	return fmt.Sprintf("%s:%d", ns.IP.String(), ns.Port)
+}
+
+func (s *DefaultServer) registerMux(pattern string, handler dns.Handler) {
+	s.dnsMux.Handle(pattern, handler)
+}
+
+func (s *DefaultServer) deregisterMux(pattern string) {
+	s.dnsMux.HandleRemove(pattern)
+}
+
+// upstreamCallbacks returns two functions, the first one is used to deactivate
+// the upstream resolver from the configuration, the second one is used to
+// reactivate it. Not allowed to call reactivate before deactivate.
+func (s *DefaultServer) upstreamCallbacks(
+	nsGroup *nbdns.NameServerGroup,
+	handler dns.Handler,
+) (deactivate func(), reactivate func()) {
+	var removeIndex map[string]int
+	deactivate = func() {
+		s.mux.Lock()
+		defer s.mux.Unlock()
+
+		l := log.WithField("nameservers", nsGroup.NameServers)
+		l.Info("temporary deactivate nameservers group due timeout")
+
+		removeIndex = make(map[string]int)
+		for _, domain := range nsGroup.Domains {
+			removeIndex[domain] = -1
+		}
+		if nsGroup.Primary {
+			removeIndex[nbdns.RootZone] = -1
+			s.currentConfig.routeAll = false
+		}
+
+		for i, item := range s.currentConfig.domains {
+			if _, found := removeIndex[item.domain]; found {
+				s.currentConfig.domains[i].disabled = true
+				s.deregisterMux(item.domain)
+				removeIndex[item.domain] = i
+			}
+		}
+		if err := s.hostManager.applyDNSConfig(s.currentConfig); err != nil {
+			l.WithError(err).Error("fail to apply nameserver deactivation on the host")
+		}
+	}
+	reactivate = func() {
+		s.mux.Lock()
+		defer s.mux.Unlock()
+
+		for domain, i := range removeIndex {
+			if i == -1 || i >= len(s.currentConfig.domains) || s.currentConfig.domains[i].domain != domain {
+				continue
+			}
+			s.currentConfig.domains[i].disabled = false
+			s.registerMux(domain, handler)
+		}
+
+		l := log.WithField("nameservers", nsGroup.NameServers)
+		l.Debug("reactivate temporary disabled nameserver group")
+
+		if nsGroup.Primary {
+			s.currentConfig.routeAll = true
+		}
+		if err := s.hostManager.applyDNSConfig(s.currentConfig); err != nil {
+			l.WithError(err).Error("reactivate temporary disabled nameserver group, DNS update apply")
+		}
+	}
+	return
+}

client/internal/dns/server_test.go

@@ -3,15 +3,18 @@ package dns
 import (
 	"context"
 	"fmt"
-	"github.com/miekg/dns"
-	nbdns "github.com/netbirdio/netbird/dns"
-	"github.com/netbirdio/netbird/iface"
 	"net"
 	"net/netip"
-	"os"
-	"runtime"
+	"strings"
 	"testing"
 	"time"
+
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+
+	"github.com/miekg/dns"
+
+	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/iface"
 )
 
 var zoneRecords = []nbdns.SimpleRecord{
@@ -25,7 +28,6 @@ var zoneRecords = []nbdns.SimpleRecord{
 }
 
 func TestUpdateDNSServer(t *testing.T) {
-
 	nameServers := []nbdns.NameServer{
 		{
 			IP:     netip.MustParseAddr("8.8.8.8"),
@@ -200,7 +202,11 @@ func TestUpdateDNSServer(t *testing.T) {
 
 	for n, testCase := range testCases {
 		t.Run(testCase.name, func(t *testing.T) {
-			wgIface, err := iface.NewWGIFace(fmt.Sprintf("utun230%d", n), fmt.Sprintf("100.66.100.%d/32", n+1), iface.DefaultMTU)
+			newNet, err := stdnet.NewNet(nil)
+			if err != nil {
+				t.Fatal(err)
+			}
+			wgIface, err := iface.NewWGIFace(fmt.Sprintf("utun230%d", n), fmt.Sprintf("100.66.100.%d/32", n+1), iface.DefaultMTU, nil, nil, newNet)
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -214,7 +220,7 @@ func TestUpdateDNSServer(t *testing.T) {
 					t.Log(err)
 				}
 			}()
-			dnsServer, err := NewDefaultServer(context.Background(), wgIface)
+			dnsServer, err := NewDefaultServer(context.Background(), wgIface, "")
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -265,91 +271,170 @@ func TestUpdateDNSServer(t *testing.T) {
 }
 
 func TestDNSServerStartStop(t *testing.T) {
-	dnsServer := getDefaultServerWithNoHostManager("127.0.0.1")
-
-	if runtime.GOOS == "windows" && os.Getenv("CI") == "true" {
-		// todo review why this test is not working only on github actions workflows
-		t.Skip("skipping test in Windows CI workflows.")
-	}
-
-	dnsServer.hostManager = newNoopHostMocker()
-	dnsServer.Start()
-	time.Sleep(100 * time.Millisecond)
-	if !dnsServer.listenerIsRunning {
-		t.Fatal("dns server listener is not running")
-	}
-	defer dnsServer.Stop()
-	err := dnsServer.localResolver.registerRecord(zoneRecords[0])
-	if err != nil {
-		t.Error(err)
-	}
-
-	dnsServer.dnsMux.Handle("netbird.cloud", dnsServer.localResolver)
-
-	resolver := &net.Resolver{
-		PreferGo: true,
-		Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
-			d := net.Dialer{
-				Timeout: time.Second * 5,
-			}
-			addr := fmt.Sprintf("%s:%d", dnsServer.runtimeIP, dnsServer.runtimePort)
-			conn, err := d.DialContext(ctx, network, addr)
-			if err != nil {
-				t.Log(err)
-				// retry test before exit, for slower systems
-				return d.DialContext(ctx, network, addr)
-			}
-
-			return conn, nil
+	testCases := []struct {
+		name     string
+		addrPort string
+	}{
+		{
+			name: "Should Pass With Port Discovery",
+		},
+		{
+			name:     "Should Pass With Custom Port",
+			addrPort: "127.0.0.1:3535",
 		},
 	}
 
-	ips, err := resolver.LookupHost(context.Background(), zoneRecords[0].Name)
-	if err != nil {
-		t.Fatalf("failed to connect to the server, error: %v", err)
-	}
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			dnsServer := getDefaultServerWithNoHostManager(t, testCase.addrPort)
 
-	t.Log(ips)
+			dnsServer.hostManager = newNoopHostMocker()
+			dnsServer.Start()
+			time.Sleep(100 * time.Millisecond)
+			if !dnsServer.listenerIsRunning {
+				t.Fatal("dns server listener is not running")
+			}
+			defer dnsServer.Stop()
+			err := dnsServer.localResolver.registerRecord(zoneRecords[0])
+			if err != nil {
+				t.Error(err)
+			}
 
-	if ips[0] != zoneRecords[0].RData {
-		t.Fatalf("got a different IP from the server: want %s, got %s", zoneRecords[0].RData, ips[0])
-	}
+			dnsServer.dnsMux.Handle("netbird.cloud", dnsServer.localResolver)
 
-	dnsServer.Stop()
-	ctx, cancel := context.WithTimeout(context.TODO(), time.Second*1)
-	defer cancel()
-	_, err = resolver.LookupHost(ctx, zoneRecords[0].Name)
-	if err == nil {
-		t.Fatalf("we should encounter an error when querying a stopped server")
+			resolver := &net.Resolver{
+				PreferGo: true,
+				Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
+					d := net.Dialer{
+						Timeout: time.Second * 5,
+					}
+					addr := fmt.Sprintf("%s:%d", dnsServer.runtimeIP, dnsServer.runtimePort)
+					conn, err := d.DialContext(ctx, network, addr)
+					if err != nil {
+						t.Log(err)
+						// retry test before exit, for slower systems
+						return d.DialContext(ctx, network, addr)
+					}
+
+					return conn, nil
+				},
+			}
+
+			ips, err := resolver.LookupHost(context.Background(), zoneRecords[0].Name)
+			if err != nil {
+				t.Fatalf("failed to connect to the server, error: %v", err)
+			}
+
+			if ips[0] != zoneRecords[0].RData {
+				t.Fatalf("got a different IP from the server: want %s, got %s", zoneRecords[0].RData, ips[0])
+			}
+
+			dnsServer.Stop()
+			ctx, cancel := context.WithTimeout(context.TODO(), time.Second*1)
+			defer cancel()
+			_, err = resolver.LookupHost(ctx, zoneRecords[0].Name)
+			if err == nil {
+				t.Fatalf("we should encounter an error when querying a stopped server")
+			}
+		})
 	}
 }
 
-func getDefaultServerWithNoHostManager(ip string) *DefaultServer {
+func TestDNSServerUpstreamDeactivateCallback(t *testing.T) {
+	hostManager := &mockHostConfigurator{}
+	server := DefaultServer{
+		dnsMux: dns.DefaultServeMux,
+		localResolver: &localResolver{
+			registeredMap: make(registrationMap),
+		},
+		hostManager: hostManager,
+		currentConfig: hostDNSConfig{
+			domains: []domainConfig{
+				{false, "domain0", false},
+				{false, "domain1", false},
+				{false, "domain2", false},
+			},
+		},
+	}
+
+	var domainsUpdate string
+	hostManager.applyDNSConfigFunc = func(config hostDNSConfig) error {
+		domains := []string{}
+		for _, item := range config.domains {
+			if item.disabled {
+				continue
+			}
+			domains = append(domains, item.domain)
+		}
+		domainsUpdate = strings.Join(domains, ",")
+		return nil
+	}
+
+	deactivate, reactivate := server.upstreamCallbacks(&nbdns.NameServerGroup{
+		Domains: []string{"domain1"},
+		NameServers: []nbdns.NameServer{
+			{IP: netip.MustParseAddr("8.8.0.0"), NSType: nbdns.UDPNameServerType, Port: 53},
+		},
+	}, nil)
+
+	deactivate()
+	expected := "domain0,domain2"
+	domains := []string{}
+	for _, item := range server.currentConfig.domains {
+		if item.disabled {
+			continue
+		}
+		domains = append(domains, item.domain)
+	}
+	got := strings.Join(domains, ",")
+	if expected != got {
+		t.Errorf("expected domains list: %q, got %q", expected, got)
+	}
+
+	reactivate()
+	expected = "domain0,domain1,domain2"
+	domains = []string{}
+	for _, item := range server.currentConfig.domains {
+		if item.disabled {
+			continue
+		}
+		domains = append(domains, item.domain)
+	}
+	got = strings.Join(domains, ",")
+	if expected != got {
+		t.Errorf("expected domains list: %q, got %q", expected, domainsUpdate)
+	}
+}
+
+func getDefaultServerWithNoHostManager(t *testing.T, addrPort string) *DefaultServer {
 	mux := dns.NewServeMux()
-	listenIP := defaultIP
-	if ip != "" {
-		listenIP = ip
+
+	var parsedAddrPort *netip.AddrPort
+	if addrPort != "" {
+		parsed, err := netip.ParseAddrPort(addrPort)
+		if err != nil {
+			t.Fatal(err)
+		}
+		parsedAddrPort = &parsed
 	}
 
 	dnsServer := &dns.Server{
-		Addr:    fmt.Sprintf("%s:%d", ip, defaultPort),
 		Net:     "udp",
 		Handler: mux,
 		UDPSize: 65535,
 	}
 
-	ctx, stop := context.WithCancel(context.TODO())
+	ctx, cancel := context.WithCancel(context.TODO())
 
 	return &DefaultServer{
 		ctx:       ctx,
-		stop:      stop,
+		ctxCancel: cancel,
 		server:    dnsServer,
 		dnsMux:    mux,
 		dnsMuxMap: make(registrationMap),
 		localResolver: &localResolver{
 			registeredMap: make(registrationMap),
 		},
-		runtimePort: defaultPort,
-		runtimeIP:   listenIP,
+		customAddress: parsedAddrPort,
 	}
 }

client/internal/dns/systemd_linux.go

@@ -3,15 +3,16 @@ package dns
 import (
 	"context"
 	"fmt"
+	"net"
+	"net/netip"
+	"time"
+
 	"github.com/godbus/dbus/v5"
 	"github.com/miekg/dns"
 	nbdns "github.com/netbirdio/netbird/dns"
 	"github.com/netbirdio/netbird/iface"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/sys/unix"
-	"net"
-	"net/netip"
-	"time"
 )
 
 const (
@@ -50,7 +51,7 @@ type systemdDbusLinkDomainsInput struct {
 }
 
 func newSystemdDbusConfigurator(wgInterface *iface.WGIface) (hostManager, error) {
-	iface, err := net.InterfaceByName(wgInterface.GetName())
+	iface, err := net.InterfaceByName(wgInterface.Name())
 	if err != nil {
 		return nil, err
 	}
@@ -95,6 +96,9 @@ func (s *systemdDbusConfigurator) applyDNSConfig(config hostDNSConfig) error {
 		domainsInput  []systemdDbusLinkDomainsInput
 	)
 	for _, dConf := range config.domains {
+		if dConf.disabled {
+			continue
+		}
 		domainsInput = append(domainsInput, systemdDbusLinkDomainsInput{
 			Domain:    dns.Fqdn(dConf.domain),
 			MatchOnly: dConf.matchOnly,

client/internal/dns/upstream.go

@@ -3,44 +3,73 @@ package dns
 import (
 	"context"
 	"errors"
+	"net"
+	"sync"
+	"sync/atomic"
+	"time"
+
 	"github.com/miekg/dns"
 	log "github.com/sirupsen/logrus"
-	"net"
-	"time"
 )
 
-const defaultUpstreamTimeout = 15 * time.Second
+const (
+	failsTillDeact   = int32(3)
+	reactivatePeriod = time.Minute
+	upstreamTimeout  = 15 * time.Second
+)
 
 type upstreamResolver struct {
-	parentCTX       context.Context
-	upstreamClient  *dns.Client
-	upstreamServers []string
-	upstreamTimeout time.Duration
+	ctx              context.Context
+	upstreamClient   *dns.Client
+	upstreamServers  []string
+	disabled         bool
+	failsCount       atomic.Int32
+	failsTillDeact   int32
+	mutex            sync.Mutex
+	reactivatePeriod time.Duration
+	upstreamTimeout  time.Duration
+
+	deactivate func()
+	reactivate func()
+}
+
+func newUpstreamResolver(ctx context.Context) *upstreamResolver {
+	return &upstreamResolver{
+		ctx:              ctx,
+		upstreamClient:   &dns.Client{},
+		upstreamTimeout:  upstreamTimeout,
+		reactivatePeriod: reactivatePeriod,
+		failsTillDeact:   failsTillDeact,
+	}
 }
 
 // ServeDNS handles a DNS request
 func (u *upstreamResolver) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
+	defer u.checkUpstreamFails()
 
-	log.Tracef("received an upstream question: %#v", r.Question[0])
+	log.WithField("question", r.Question[0]).Trace("received an upstream question")
 
 	select {
-	case <-u.parentCTX.Done():
+	case <-u.ctx.Done():
 		return
 	default:
 	}
 
 	for _, upstream := range u.upstreamServers {
-		ctx, cancel := context.WithTimeout(u.parentCTX, u.upstreamTimeout)
+		ctx, cancel := context.WithTimeout(u.ctx, u.upstreamTimeout)
 		rm, t, err := u.upstreamClient.ExchangeContext(ctx, r, upstream)
 
 		cancel()
 
 		if err != nil {
 			if err == context.DeadlineExceeded || isTimeout(err) {
-				log.Warnf("got an error while connecting to upstream %s, error: %v", upstream, err)
+				log.WithError(err).WithField("upstream", upstream).
+					Warn("got an error while connecting to upstream")
 				continue
 			}
-			log.Errorf("got an error while querying the upstream %s, error: %v", upstream, err)
+			u.failsCount.Add(1)
+			log.WithError(err).WithField("upstream", upstream).
+				Error("got an error while querying the upstream")
 			return
 		}
 
@@ -48,11 +77,58 @@ func (u *upstreamResolver) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 
 		err = w.WriteMsg(rm)
 		if err != nil {
-			log.Errorf("got an error while writing the upstream resolver response, error: %v", err)
+			log.WithError(err).Error("got an error while writing the upstream resolver response")
 		}
+		// count the fails only if they happen sequentially
+		u.failsCount.Store(0)
 		return
 	}
-	log.Errorf("all queries to the upstream nameservers failed with timeout")
+	u.failsCount.Add(1)
+	log.Error("all queries to the upstream nameservers failed with timeout")
+}
+
+// checkUpstreamFails counts fails and disables or enables upstream resolving
+//
+// If fails count is greater that failsTillDeact, upstream resolving
+// will be disabled for reactivatePeriod, after that time period fails counter
+// will be reset and upstream will be reactivated.
+func (u *upstreamResolver) checkUpstreamFails() {
+	u.mutex.Lock()
+	defer u.mutex.Unlock()
+
+	if u.failsCount.Load() < u.failsTillDeact || u.disabled {
+		return
+	}
+
+	select {
+	case <-u.ctx.Done():
+		return
+	default:
+		log.Warnf("upstream resolving is disabled for %v", reactivatePeriod)
+		u.deactivate()
+		u.disabled = true
+		go u.waitUntilReactivation()
+	}
+}
+
+// waitUntilReactivation reset fails counter and activates upstream resolving
+func (u *upstreamResolver) waitUntilReactivation() {
+	timer := time.NewTimer(u.reactivatePeriod)
+	defer func() {
+		if !timer.Stop() {
+			<-timer.C
+		}
+	}()
+
+	select {
+	case <-u.ctx.Done():
+		return
+	case <-timer.C:
+		log.Info("upstream resolving is reactivated")
+		u.failsCount.Store(0)
+		u.reactivate()
+		u.disabled = false
+	}
 }
 
 // isTimeout returns true if the given error is a network timeout error.

client/internal/dns/upstream_test.go

@@ -23,7 +23,7 @@ func TestUpstreamResolver_ServeDNS(t *testing.T) {
 			name:           "Should Resolve A Record",
 			inputMSG:       new(dns.Msg).SetQuestion("one.one.one.one.", dns.TypeA),
 			InputServers:   []string{"8.8.8.8:53", "8.8.4.4:53"},
-			timeout:        defaultUpstreamTimeout,
+			timeout:        upstreamTimeout,
 			expectedAnswer: "1.1.1.1",
 		},
 		{
@@ -45,7 +45,7 @@ func TestUpstreamResolver_ServeDNS(t *testing.T) {
 			inputMSG:            new(dns.Msg).SetQuestion("one.one.one.one.", dns.TypeA),
 			InputServers:        []string{"8.0.0.0:53", "8.8.4.4:53"},
 			cancelCTX:           true,
-			timeout:             defaultUpstreamTimeout,
+			timeout:             upstreamTimeout,
 			responseShouldBeNil: true,
 		},
 		//{
@@ -65,12 +65,9 @@ func TestUpstreamResolver_ServeDNS(t *testing.T) {
 	for _, testCase := range testCases {
 		t.Run(testCase.name, func(t *testing.T) {
 			ctx, cancel := context.WithCancel(context.TODO())
-			resolver := &upstreamResolver{
-				parentCTX:       ctx,
-				upstreamClient:  &dns.Client{},
-				upstreamServers: testCase.InputServers,
-				upstreamTimeout: testCase.timeout,
-			}
+			resolver := newUpstreamResolver(ctx)
+			resolver.upstreamServers = testCase.InputServers
+			resolver.upstreamTimeout = testCase.timeout
 			if testCase.cancelCTX {
 				cancel()
 			} else {
@@ -108,3 +105,52 @@ func TestUpstreamResolver_ServeDNS(t *testing.T) {
 		})
 	}
 }
+
+func TestUpstreamResolver_DeactivationReactivation(t *testing.T) {
+	resolver := newUpstreamResolver(context.TODO())
+	resolver.upstreamServers = []string{"0.0.0.0:-1"}
+	resolver.failsTillDeact = 0
+	resolver.reactivatePeriod = time.Microsecond * 100
+
+	responseWriter := &mockResponseWriter{
+		WriteMsgFunc: func(m *dns.Msg) error { return nil },
+	}
+
+	failed := false
+	resolver.deactivate = func() {
+		failed = true
+	}
+
+	reactivated := false
+	resolver.reactivate = func() {
+		reactivated = true
+	}
+
+	resolver.ServeDNS(responseWriter, new(dns.Msg).SetQuestion("one.one.one.one.", dns.TypeA))
+
+	if !failed {
+		t.Errorf("expected that resolving was deactivated")
+		return
+	}
+
+	if !resolver.disabled {
+		t.Errorf("resolver should be disabled")
+		return
+	}
+
+	time.Sleep(time.Millisecond * 200)
+
+	if !reactivated {
+		t.Errorf("expected that resolving was reactivated")
+		return
+	}
+
+	if resolver.failsCount.Load() != 0 {
+		t.Errorf("fails count after reactivation should be 0")
+		return
+	}
+
+	if resolver.disabled {
+		t.Errorf("should be enabled")
+	}
+}

client/internal/engine.go

@@ -12,24 +12,23 @@ import (
 	"sync"
 	"time"
 
-	"github.com/netbirdio/netbird/client/internal/dns"
-	"github.com/netbirdio/netbird/client/internal/routemanager"
-	nbssh "github.com/netbirdio/netbird/client/ssh"
-	nbstatus "github.com/netbirdio/netbird/client/status"
-	nbdns "github.com/netbirdio/netbird/dns"
-	"github.com/netbirdio/netbird/route"
-
-	"github.com/netbirdio/netbird/client/internal/peer"
-	"github.com/netbirdio/netbird/client/internal/proxy"
-	"github.com/netbirdio/netbird/iface"
-	mgm "github.com/netbirdio/netbird/management/client"
-	mgmProto "github.com/netbirdio/netbird/management/proto"
-	signal "github.com/netbirdio/netbird/signal/client"
-	sProto "github.com/netbirdio/netbird/signal/proto"
-	"github.com/netbirdio/netbird/util"
 	"github.com/pion/ice/v2"
 	log "github.com/sirupsen/logrus"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+	"github.com/netbirdio/netbird/client/internal/dns"
+	"github.com/netbirdio/netbird/client/internal/peer"
+	"github.com/netbirdio/netbird/client/internal/proxy"
+	"github.com/netbirdio/netbird/client/internal/routemanager"
+	nbssh "github.com/netbirdio/netbird/client/ssh"
+	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/iface"
+	mgm "github.com/netbirdio/netbird/management/client"
+	mgmProto "github.com/netbirdio/netbird/management/proto"
+	"github.com/netbirdio/netbird/route"
+	signal "github.com/netbirdio/netbird/signal/client"
+	sProto "github.com/netbirdio/netbird/signal/proto"
+	"github.com/netbirdio/netbird/util"
 )
 
 // PeerConnectionTimeoutMax is a timeout of an initial connection attempt to a remote peer.
@@ -70,6 +69,8 @@ type EngineConfig struct {
 	SSHKey []byte
 
 	NATExternalIPs []string
+
+	CustomDNSAddress string
 }
 
 // Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
@@ -84,7 +85,9 @@ type Engine struct {
 	// syncMsgMux is used to guarantee sequential Management Service message processing
 	syncMsgMux *sync.Mutex
 
-	config *EngineConfig
+	config    *EngineConfig
+	mobileDep MobileDependency
+
 	// STUNs is a list of STUN servers used by ICE
 	STUNs []*ice.URL
 	// TURNs is a list of STUN servers used by ICE
@@ -107,7 +110,7 @@ type Engine struct {
 	sshServerFunc func(hostKeyPEM []byte, addr string) (nbssh.Server, error)
 	sshServer     nbssh.Server
 
-	statusRecorder *nbstatus.Status
+	statusRecorder *peer.Status
 
 	routeManager routemanager.Manager
 
@@ -124,16 +127,17 @@ type Peer struct {
 func NewEngine(
 	ctx context.Context, cancel context.CancelFunc,
 	signalClient signal.Client, mgmClient mgm.Client,
-	config *EngineConfig, statusRecorder *nbstatus.Status,
+	config *EngineConfig, mobileDep MobileDependency, statusRecorder *peer.Status,
 ) *Engine {
 	return &Engine{
 		ctx:            ctx,
 		cancel:         cancel,
 		signal:         signalClient,
 		mgmClient:      mgmClient,
-		peerConns:      map[string]*peer.Conn{},
+		peerConns:      make(map[string]*peer.Conn),
 		syncMsgMux:     &sync.Mutex{},
 		config:         config,
+		mobileDep:      mobileDep,
 		STUNs:          []*ice.URL{},
 		TURNs:          []*ice.URL{},
 		networkSerial:  0,
@@ -155,114 +159,89 @@ func (e *Engine) Stop() error {
 	// Removing peers happens in the conn.CLose() asynchronously
 	time.Sleep(500 * time.Millisecond)
 
-	log.Debugf("removing Netbird interface %s", e.config.WgIfaceName)
-	if e.wgInterface.Interface != nil {
-		err = e.wgInterface.Close()
-		if err != nil {
-			log.Errorf("failed closing Netbird interface %s %v", e.config.WgIfaceName, err)
-			return err
-		}
-	}
-
-	if e.udpMux != nil {
-		if err := e.udpMux.Close(); err != nil {
-			log.Debugf("close udp mux: %v", err)
-		}
-	}
-
-	if e.udpMuxSrflx != nil {
-		if err := e.udpMuxSrflx.Close(); err != nil {
-			log.Debugf("close server reflexive udp mux: %v", err)
-		}
-	}
-
-	if e.udpMuxConn != nil {
-		if err := e.udpMuxConn.Close(); err != nil {
-			log.Debugf("close udp mux connection: %v", err)
-		}
-	}
-
-	if e.udpMuxConnSrflx != nil {
-		if err := e.udpMuxConnSrflx.Close(); err != nil {
-			log.Debugf("close server reflexive udp mux connection: %v", err)
-		}
-	}
-
-	if !isNil(e.sshServer) {
-		err := e.sshServer.Stop()
-		if err != nil {
-			log.Warnf("failed stopping the SSH server: %v", err)
-		}
-	}
-
-	if e.routeManager != nil {
-		e.routeManager.Stop()
-	}
-
-	if e.dnsServer != nil {
-		e.dnsServer.Stop()
-	}
-
+	e.close()
 	log.Infof("stopped Netbird Engine")
-
 	return nil
 }
 
-// Start creates a new Wireguard tunnel interface and listens to events from Signal and Management services
+// Start creates a new WireGuard tunnel interface and listens to events from Signal and Management services
 // Connections to remote peers are not established here.
 // However, they will be established once an event with a list of peers to connect to will be received from Management Service
 func (e *Engine) Start() error {
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()
 
-	wgIfaceName := e.config.WgIfaceName
+	wgIFaceName := e.config.WgIfaceName
 	wgAddr := e.config.WgAddr
 	myPrivateKey := e.config.WgPrivateKey
 	var err error
-
-	e.wgInterface, err = iface.NewWGIFace(wgIfaceName, wgAddr, iface.DefaultMTU)
+	transportNet, err := e.newStdNet()
 	if err != nil {
-		log.Errorf("failed creating wireguard interface instance %s: [%s]", wgIfaceName, err.Error())
+		log.Errorf("failed to create pion's stdnet: %s", err)
+	}
+	e.wgInterface, err = iface.NewWGIFace(wgIFaceName, wgAddr, iface.DefaultMTU, e.mobileDep.Routes, e.mobileDep.TunAdapter, transportNet)
+	if err != nil {
+		log.Errorf("failed creating wireguard interface instance %s: [%s]", wgIFaceName, err.Error())
 		return err
 	}
 
-	networkName := "udp"
-	if e.config.DisableIPv6Discovery {
-		networkName = "udp4"
-	}
-
-	e.udpMuxConn, err = net.ListenUDP(networkName, &net.UDPAddr{Port: e.config.UDPMuxPort})
-	if err != nil {
-		log.Errorf("failed listening on UDP port %d: [%s]", e.config.UDPMuxPort, err.Error())
-		return err
-	}
-
-	e.udpMuxConnSrflx, err = net.ListenUDP(networkName, &net.UDPAddr{Port: e.config.UDPMuxSrflxPort})
-	if err != nil {
-		log.Errorf("failed listening on UDP port %d: [%s]", e.config.UDPMuxSrflxPort, err.Error())
-		return err
-	}
-
-	e.udpMux = ice.NewUDPMuxDefault(ice.UDPMuxParams{UDPConn: e.udpMuxConn})
-	e.udpMuxSrflx = ice.NewUniversalUDPMuxDefault(ice.UniversalUDPMuxParams{UDPConn: e.udpMuxConnSrflx})
-
 	err = e.wgInterface.Create()
 	if err != nil {
-		log.Errorf("failed creating tunnel interface %s: [%s]", wgIfaceName, err.Error())
+		log.Errorf("failed creating tunnel interface %s: [%s]", wgIFaceName, err.Error())
+		e.close()
 		return err
 	}
 
 	err = e.wgInterface.Configure(myPrivateKey.String(), e.config.WgPort)
 	if err != nil {
-		log.Errorf("failed configuring Wireguard interface [%s]: %s", wgIfaceName, err.Error())
+		log.Errorf("failed configuring Wireguard interface [%s]: %s", wgIFaceName, err.Error())
+		e.close()
 		return err
 	}
 
+	if e.wgInterface.IsUserspaceBind() {
+		iceBind := e.wgInterface.GetBind()
+		udpMux, err := iceBind.GetICEMux()
+		if err != nil {
+			e.close()
+			return err
+		}
+		e.udpMux = udpMux.UDPMuxDefault
+		e.udpMuxSrflx = udpMux
+		log.Infof("using userspace bind mode %s", udpMux.LocalAddr().String())
+	} else {
+		networkName := "udp"
+		if e.config.DisableIPv6Discovery {
+			networkName = "udp4"
+		}
+		e.udpMuxConn, err = net.ListenUDP(networkName, &net.UDPAddr{Port: e.config.UDPMuxPort})
+		if err != nil {
+			log.Errorf("failed listening on UDP port %d: [%s]", e.config.UDPMuxPort, err.Error())
+			e.close()
+			return err
+		}
+		udpMuxParams := ice.UDPMuxParams{
+			UDPConn: e.udpMuxConn,
+			Net:     transportNet,
+		}
+		e.udpMux = ice.NewUDPMuxDefault(udpMuxParams)
+
+		e.udpMuxConnSrflx, err = net.ListenUDP(networkName, &net.UDPAddr{Port: e.config.UDPMuxSrflxPort})
+		if err != nil {
+			log.Errorf("failed listening on UDP port %d: [%s]", e.config.UDPMuxSrflxPort, err.Error())
+			e.close()
+			return err
+		}
+		e.udpMuxSrflx = ice.NewUniversalUDPMuxDefault(ice.UniversalUDPMuxParams{UDPConn: e.udpMuxConnSrflx, Net: transportNet})
+	}
+
 	e.routeManager = routemanager.NewManager(e.ctx, e.config.WgPrivateKey.PublicKey().String(), e.wgInterface, e.statusRecorder)
 
 	if e.dnsServer == nil {
-		dnsServer, err := dns.NewDefaultServer(e.ctx, e.wgInterface)
+		// todo fix custom address
+		dnsServer, err := dns.NewDefaultServer(e.ctx, e.wgInterface, e.config.CustomDNSAddress)
 		if err != nil {
+			e.close()
 			return err
 		}
 		e.dnsServer = dnsServer
@@ -378,42 +357,6 @@ func (e *Engine) removePeer(peerKey string) error {
 	return nil
 }
 
-// GetPeerConnectionStatus returns a connection Status or nil if peer connection wasn't found
-func (e *Engine) GetPeerConnectionStatus(peerKey string) peer.ConnStatus {
-	conn, exists := e.peerConns[peerKey]
-	if exists && conn != nil {
-		return conn.Status()
-	}
-
-	return -1
-}
-
-func (e *Engine) GetPeers() []string {
-	e.syncMsgMux.Lock()
-	defer e.syncMsgMux.Unlock()
-
-	peers := []string{}
-	for s := range e.peerConns {
-		peers = append(peers, s)
-	}
-	return peers
-}
-
-// GetConnectedPeers returns a connection Status or nil if peer connection wasn't found
-func (e *Engine) GetConnectedPeers() []string {
-	e.syncMsgMux.Lock()
-	defer e.syncMsgMux.Unlock()
-
-	peers := []string{}
-	for s, conn := range e.peerConns {
-		if conn.Status() == peer.StatusConnected {
-			peers = append(peers, s)
-		}
-	}
-
-	return peers
-}
-
 func signalCandidate(candidate ice.Candidate, myKey wgtypes.Key, remoteKey wgtypes.Key, s signal.Client) error {
 	err := s.Send(&sProto.Message{
 		Key:       myKey.PublicKey().String(),
@@ -430,6 +373,10 @@ func signalCandidate(candidate ice.Candidate, myKey wgtypes.Key, remoteKey wgtyp
 	return nil
 }
 
+func sendSignal(message *sProto.Message, s signal.Client) error {
+	return s.Send(message)
+}
+
 // SignalOfferAnswer signals either an offer or an answer to remote peer
 func SignalOfferAnswer(offerAnswer peer.OfferAnswer, myKey wgtypes.Key, remoteKey wgtypes.Key, s signal.Client, isAnswer bool) error {
 	var t sProto.Body_Type
@@ -446,6 +393,10 @@ func SignalOfferAnswer(offerAnswer peer.OfferAnswer, myKey wgtypes.Key, remoteKe
 	if err != nil {
 		return err
 	}
+
+	// indicates message support in gRPC
+	msg.Body.FeaturesSupported = []uint32{signal.DirectCheck}
+
 	err = s.Send(msg)
 	if err != nil {
 		return err
@@ -498,7 +449,7 @@ func (e *Engine) updateSSH(sshConf *mgmProto.SSHConfig) error {
 			//nil sshServer means it has not yet been started
 			var err error
 			e.sshServer, err = e.sshServerFunc(e.config.SSHKey,
-				fmt.Sprintf("%s:%d", e.wgInterface.Address.IP.String(), nbssh.DefaultSSHPort))
+				fmt.Sprintf("%s:%d", e.wgInterface.Address().IP.String(), nbssh.DefaultSSHPort))
 			if err != nil {
 				return err
 			}
@@ -531,8 +482,8 @@ func (e *Engine) updateSSH(sshConf *mgmProto.SSHConfig) error {
 }
 
 func (e *Engine) updateConfig(conf *mgmProto.PeerConfig) error {
-	if e.wgInterface.Address.String() != conf.Address {
-		oldAddr := e.wgInterface.Address.String()
+	if e.wgInterface.Address().String() != conf.Address {
+		oldAddr := e.wgInterface.Address().String()
 		log.Debugf("updating peer address from %s to %s", oldAddr, conf.Address)
 		err := e.wgInterface.UpdateAddr(conf.Address)
 		if err != nil {
@@ -549,10 +500,10 @@ func (e *Engine) updateConfig(conf *mgmProto.PeerConfig) error {
 		}
 	}
 
-	e.statusRecorder.UpdateLocalPeerState(nbstatus.LocalPeerState{
+	e.statusRecorder.UpdateLocalPeerState(peer.LocalPeerState{
 		IP:              e.config.WgAddr,
 		PubKey:          e.config.WgPrivateKey.PublicKey().String(),
-		KernelInterface: iface.WireguardModuleIsLoaded(),
+		KernelInterface: iface.WireGuardModuleIsLoaded(),
 		FQDN:            conf.GetFqdn(),
 	})
 
@@ -634,6 +585,8 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
 
 	log.Debugf("got peers update from Management Service, total peers to connect to = %d", len(networkMap.GetRemotePeers()))
 
+	e.updateOfflinePeers(networkMap.GetOfflinePeers())
+
 	// cleanup request, most likely our peer has been deleted
 	if networkMap.GetRemotePeersIsEmpty() {
 		err := e.removeAllPeers()
@@ -681,6 +634,7 @@ func (e *Engine) updateNetworkMap(networkMap *mgmProto.NetworkMap) error {
 	if protoDNSConfig == nil {
 		protoDNSConfig = &mgmProto.DNSConfig{}
 	}
+
 	err = e.dnsServer.UpdateDNSServer(serial, toDNSConfig(protoDNSConfig))
 	if err != nil {
 		log.Errorf("failed to update dns server, err: %v", err)
@@ -750,6 +704,21 @@ func toDNSConfig(protoDNSConfig *mgmProto.DNSConfig) nbdns.Config {
 	return dnsUpdate
 }
 
+func (e *Engine) updateOfflinePeers(offlinePeers []*mgmProto.RemotePeerConfig) {
+	replacement := make([]peer.State, len(offlinePeers))
+	for i, offlinePeer := range offlinePeers {
+		log.Debugf("added offline peer %s", offlinePeer.Fqdn)
+		replacement[i] = peer.State{
+			IP:               strings.Join(offlinePeer.GetAllowedIps(), ","),
+			PubKey:           offlinePeer.GetWgPubKey(),
+			FQDN:             offlinePeer.GetFqdn(),
+			ConnStatus:       peer.StatusDisconnected,
+			ConnStatusUpdate: time.Now(),
+		}
+	}
+	e.statusRecorder.ReplaceOfflinePeers(replacement)
+}
+
 // addNewPeers adds peers that were not know before but arrived from the Management service with the update
 func (e *Engine) addNewPeers(peersUpdate []*mgmProto.RemotePeerConfig) error {
 	for _, p := range peersUpdate {
@@ -860,9 +829,10 @@ func (e Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, er
 		ProxyConfig:          proxyConfig,
 		LocalWgPort:          e.config.WgPort,
 		NATExternalIPs:       e.parseNATExternalIPMappings(),
+		UserspaceBind:        e.wgInterface.IsUserspaceBind(),
 	}
 
-	peerConn, err := peer.NewConn(config, e.statusRecorder)
+	peerConn, err := peer.NewConn(config, e.statusRecorder, e.mobileDep.TunAdapter, e.mobileDep.IFaceDiscover)
 	if err != nil {
 		return nil, err
 	}
@@ -887,6 +857,9 @@ func (e Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, er
 	peerConn.SetSignalCandidate(signalCandidate)
 	peerConn.SetSignalOffer(signalOffer)
 	peerConn.SetSignalAnswer(signalAnswer)
+	peerConn.SetSendSignalMessage(func(message *sProto.Message) error {
+		return sendSignal(message, e.signal)
+	})
 
 	return peerConn, nil
 }
@@ -910,6 +883,9 @@ func (e *Engine) receiveSignalEvents() {
 				if err != nil {
 					return err
 				}
+
+				conn.RegisterProtoSupportMeta(msg.Body.GetFeaturesSupported())
+
 				conn.OnRemoteOffer(peer.OfferAnswer{
 					IceCredentials: peer.IceCredentials{
 						UFrag: remoteCred.UFrag,
@@ -923,6 +899,9 @@ func (e *Engine) receiveSignalEvents() {
 				if err != nil {
 					return err
 				}
+
+				conn.RegisterProtoSupportMeta(msg.Body.GetFeaturesSupported())
+
 				conn.OnRemoteAnswer(peer.OfferAnswer{
 					IceCredentials: peer.IceCredentials{
 						UFrag: remoteCred.UFrag,
@@ -938,6 +917,19 @@ func (e *Engine) receiveSignalEvents() {
 					return err
 				}
 				conn.OnRemoteCandidate(candidate)
+			case sProto.Body_MODE:
+				protoMode := msg.GetBody().GetMode()
+				if protoMode == nil {
+					return fmt.Errorf("received an empty mode message")
+				}
+
+				err := conn.OnModeMessage(peer.ModeMessage{
+					Direct: protoMode.GetDirect(),
+				})
+				if err != nil {
+					log.Errorf("failed processing a mode message -> %s", err)
+					return err
+				}
 			}
 
 			return nil
@@ -964,6 +956,7 @@ func (e *Engine) parseNATExternalIPMappings() []string {
 		var external, internal string
 		var externalIP, internalIP net.IP
 		var err error
+
 		split := strings.Split(mapping, "/")
 		if len(split) > 2 {
 			log.Warnf("ignoring invalid external mapping '%s', too many delimiters", mapping)
@@ -988,7 +981,7 @@ func (e *Engine) parseNATExternalIPMappings() []string {
 		external = split[0]
 		externalIP = net.ParseIP(external)
 		if externalIP == nil {
-			log.Warnf("invalid external IP, ignoring external IP mapping '%s'", mapping)
+			log.Warnf("invalid external IP, %s, ignoring external IP mapping '%s'", external, mapping)
 			break
 		}
 		if externalIP != nil {
@@ -1007,6 +1000,49 @@ func (e *Engine) parseNATExternalIPMappings() []string {
 	return mappedIPs
 }
 
+func (e *Engine) close() {
+	log.Debugf("removing Netbird interface %s", e.config.WgIfaceName)
+	if e.wgInterface != nil {
+		if err := e.wgInterface.Close(); err != nil {
+			log.Errorf("failed closing Netbird interface %s %v", e.config.WgIfaceName, err)
+		}
+	}
+
+	if e.udpMux != nil {
+		if err := e.udpMux.Close(); err != nil {
+			log.Debugf("close udp mux: %v", err)
+		}
+	}
+
+	if e.udpMuxConn != nil {
+		if err := e.udpMuxConn.Close(); err != nil {
+			log.Debugf("close udp mux connection: %v", err)
+		}
+	}
+
+	if e.udpMuxConnSrflx != nil {
+		if err := e.udpMuxConnSrflx.Close(); err != nil {
+			log.Debugf("close server reflexive udp mux connection: %v", err)
+		}
+	}
+
+	if !isNil(e.sshServer) {
+		err := e.sshServer.Stop()
+		if err != nil {
+			log.Warnf("failed stopping the SSH server: %v", err)
+		}
+	}
+
+	if e.routeManager != nil {
+		e.routeManager.Stop()
+	}
+
+	if e.dnsServer != nil {
+		e.dnsServer.Stop()
+	}
+
+}
+
 func findIPFromInterfaceName(ifaceName string) (net.IP, error) {
 	iface, err := net.InterfaceByName(ifaceName)
 	if err != nil {

client/internal/engine_stdnet.go

@@ -0,0 +1,11 @@
+//go:build !android
+
+package internal
+
+import (
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+)
+
+func (e *Engine) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNet(e.config.IFaceBlackList)
+}

client/internal/engine_stdnet_android.go

@@ -0,0 +1,7 @@
+package internal
+
+import "github.com/netbirdio/netbird/client/internal/stdnet"
+
+func (e *Engine) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNetWithDiscover(e.mobileDep.IFaceDiscover, e.config.IFaceBlackList)
+}

client/internal/engine_test.go

@@ -3,14 +3,8 @@ package internal
 import (
 	"context"
 	"fmt"
-	"github.com/netbirdio/netbird/client/internal/dns"
-	"github.com/netbirdio/netbird/client/internal/routemanager"
-	"github.com/netbirdio/netbird/client/ssh"
-	nbstatus "github.com/netbirdio/netbird/client/status"
-	nbdns "github.com/netbirdio/netbird/dns"
-	"github.com/netbirdio/netbird/iface"
-	"github.com/netbirdio/netbird/route"
-	"github.com/stretchr/testify/assert"
+	"github.com/netbirdio/netbird/iface/bind"
+	"github.com/pion/transport/v2/stdnet"
 	"net"
 	"net/netip"
 	"os"
@@ -21,18 +15,29 @@ import (
 	"testing"
 	"time"
 
+	log "github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/keepalive"
+
+	"github.com/netbirdio/netbird/client/internal/dns"
+	"github.com/netbirdio/netbird/client/internal/peer"
+	"github.com/netbirdio/netbird/client/internal/routemanager"
+	"github.com/netbirdio/netbird/client/ssh"
 	"github.com/netbirdio/netbird/client/system"
+	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/iface"
 	mgmt "github.com/netbirdio/netbird/management/client"
 	mgmtProto "github.com/netbirdio/netbird/management/proto"
 	"github.com/netbirdio/netbird/management/server"
+	"github.com/netbirdio/netbird/management/server/activity"
+	"github.com/netbirdio/netbird/route"
 	signal "github.com/netbirdio/netbird/signal/client"
 	"github.com/netbirdio/netbird/signal/proto"
 	signalServer "github.com/netbirdio/netbird/signal/server"
 	"github.com/netbirdio/netbird/util"
-	log "github.com/sirupsen/logrus"
-	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/keepalive"
 )
 
 var (
@@ -69,7 +74,7 @@ func TestEngine_SSH(t *testing.T) {
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
-	}, nbstatus.NewRecorder())
+	}, MobileDependency{}, peer.NewRecorder("https://mgm"))
 
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
@@ -203,12 +208,24 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
-	}, nbstatus.NewRecorder())
-	engine.wgInterface, err = iface.NewWGIFace("utun102", "100.64.0.1/24", iface.DefaultMTU)
+	}, MobileDependency{}, peer.NewRecorder("https://mgm"))
+	newNet, err := stdnet.NewNet()
+	if err != nil {
+		t.Fatal(err)
+	}
+	engine.wgInterface, err = iface.NewWGIFace("utun102", "100.64.0.1/24", iface.DefaultMTU, nil, nil, newNet)
+	if err != nil {
+		t.Fatal(err)
+	}
 	engine.routeManager = routemanager.NewManager(ctx, key.PublicKey().String(), engine.wgInterface, engine.statusRecorder)
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
 	}
+	conn, err := net.ListenUDP("udp4", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	engine.udpMux = bind.NewUniversalUDPMuxDefault(bind.UniversalUDPMuxParams{UDPConn: conn})
 
 	type testCase struct {
 		name       string
@@ -387,7 +404,7 @@ func TestEngine_Sync(t *testing.T) {
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
-	}, nbstatus.NewRecorder())
+	}, MobileDependency{}, peer.NewRecorder("https://mgm"))
 
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
@@ -437,7 +454,7 @@ func TestEngine_Sync(t *testing.T) {
 		default:
 		}
 
-		if len(engine.GetPeers()) == 3 && engine.networkSerial == 10 {
+		if getPeers(engine) == 3 && engine.networkSerial == 10 {
 			break
 		}
 	}
@@ -545,8 +562,12 @@ func TestEngine_UpdateNetworkMapWithRoutes(t *testing.T) {
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
 				WgPort:       33100,
-			}, nbstatus.NewRecorder())
-			engine.wgInterface, err = iface.NewWGIFace(wgIfaceName, wgAddr, iface.DefaultMTU)
+			}, MobileDependency{}, peer.NewRecorder("https://mgm"))
+			newNet, err := stdnet.NewNet()
+			if err != nil {
+				t.Fatal(err)
+			}
+			engine.wgInterface, err = iface.NewWGIFace(wgIfaceName, wgAddr, iface.DefaultMTU, nil, nil, newNet)
 			assert.NoError(t, err, "shouldn't return error")
 			input := struct {
 				inputSerial uint64
@@ -710,8 +731,12 @@ func TestEngine_UpdateNetworkMapWithDNSUpdate(t *testing.T) {
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
 				WgPort:       33100,
-			}, nbstatus.NewRecorder())
-			engine.wgInterface, err = iface.NewWGIFace(wgIfaceName, wgAddr, iface.DefaultMTU)
+			}, MobileDependency{}, peer.NewRecorder("https://mgm"))
+			newNet, err := stdnet.NewNet()
+			if err != nil {
+				t.Fatal(err)
+			}
+			engine.wgInterface, err = iface.NewWGIFace(wgIfaceName, wgAddr, iface.DefaultMTU, nil, nil, newNet)
 			assert.NoError(t, err, "shouldn't return error")
 
 			mockRouteManager := &routemanager.MockManager{
@@ -777,15 +802,13 @@ func TestEngine_MultiplePeers(t *testing.T) {
 	ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
 	defer cancel()
 
-	sport := 10010
-	sigServer, err := startSignal(sport)
+	sigServer, signalAddr, err := startSignal()
 	if err != nil {
 		t.Fatal(err)
 		return
 	}
 	defer sigServer.Stop()
-	mport := 33081
-	mgmtServer, err := startManagement(mport, dir)
+	mgmtServer, mgmtAddr, err := startManagement(dir)
 	if err != nil {
 		t.Fatal(err)
 		return
@@ -803,7 +826,7 @@ func TestEngine_MultiplePeers(t *testing.T) {
 	for i := 0; i < numPeers; i++ {
 		j := i
 		go func() {
-			engine, err := createEngine(ctx, cancel, setupKey, j, mport, sport)
+			engine, err := createEngine(ctx, cancel, setupKey, j, mgmtAddr, signalAddr)
 			if err != nil {
 				wg.Done()
 				t.Errorf("unable to create the engine for peer %d with error %v", j, err)
@@ -846,7 +869,7 @@ loop:
 		case <-ticker.C:
 			totalConnected := 0
 			for _, engine := range engines {
-				totalConnected = totalConnected + len(engine.GetConnectedPeers())
+				totalConnected = totalConnected + getConnectedPeers(engine)
 			}
 			if totalConnected == expectedConnected {
 				log.Infof("total connected=%d", totalConnected)
@@ -857,7 +880,7 @@ loop:
 	}
 	// cleanup test
 	for n, peerEngine := range engines {
-		t.Logf("stopping peer with interface %s from multipeer test, loopIndex %d", peerEngine.wgInterface.Name, n)
+		t.Logf("stopping peer with interface %s from multipeer test, loopIndex %d", peerEngine.wgInterface.Name(), n)
 		errStop := peerEngine.mgmClient.Close()
 		if errStop != nil {
 			log.Infoln("got error trying to close management clients from engine: ", errStop)
@@ -869,16 +892,84 @@ loop:
 	}
 }
 
-func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey string, i int, mport int, sport int) (*Engine, error) {
+func Test_ParseNATExternalIPMappings(t *testing.T) {
+	ifaceList, err := net.Interfaces()
+	if err != nil {
+		t.Fatalf("could get the interface list, got error: %s", err)
+	}
+
+	var testingIP string
+	var testingInterface string
+
+	for _, iface := range ifaceList {
+		addrList, err := iface.Addrs()
+		if err != nil {
+			t.Fatalf("could get the addr list, got error: %s", err)
+		}
+		for _, addr := range addrList {
+			prefix := netip.MustParsePrefix(addr.String())
+			if prefix.Addr().Is4() && !prefix.Addr().IsLoopback() {
+				testingIP = prefix.Addr().String()
+				testingInterface = iface.Name
+			}
+		}
+	}
+
+	testCases := []struct {
+		name                    string
+		inputMapList            []string
+		inputBlacklistInterface []string
+		expectedOutput          []string
+	}{
+		{
+			name:                    "Parse Valid List Should Be OK",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{"1.1.1.1", "8.8.8.8/" + testingInterface},
+			expectedOutput:          []string{"1.1.1.1", "8.8.8.8/" + testingIP},
+		},
+		{
+			name:                    "Only Interface name Should Return Nil",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{testingInterface},
+			expectedOutput:          nil,
+		},
+		{
+			name:                    "Invalid IP Return Nil",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{"1.1.1.1000"},
+			expectedOutput:          nil,
+		},
+		{
+			name:                    "Invalid Mapping Element Should return Nil",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{"1.1.1.1/10.10.10.1/eth0"},
+			expectedOutput:          nil,
+		},
+	}
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			engine := &Engine{
+				config: &EngineConfig{
+					IFaceBlackList: testCase.inputBlacklistInterface,
+					NATExternalIPs: testCase.inputMapList,
+				},
+			}
+			parsedList := engine.parseNATExternalIPMappings()
+			require.ElementsMatchf(t, testCase.expectedOutput, parsedList, "elements of parsed list should match expected list")
+		})
+	}
+}
+
+func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey string, i int, mgmtAddr string, signalAddr string) (*Engine, error) {
 	key, err := wgtypes.GeneratePrivateKey()
 	if err != nil {
 		return nil, err
 	}
-	mgmtClient, err := mgmt.NewClient(ctx, fmt.Sprintf("localhost:%d", mport), key, false)
+	mgmtClient, err := mgmt.NewClient(ctx, mgmtAddr, key, false)
 	if err != nil {
 		return nil, err
 	}
-	signalClient, err := signal.NewClient(ctx, fmt.Sprintf("localhost:%d", sport), key, false)
+	signalClient, err := signal.NewClient(ctx, signalAddr, key, false)
 	if err != nil {
 		return nil, err
 	}
@@ -909,13 +1000,13 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 		WgPort:       wgPort,
 	}
 
-	return NewEngine(ctx, cancel, signalClient, mgmtClient, conf, nbstatus.NewRecorder()), nil
+	return NewEngine(ctx, cancel, signalClient, mgmtClient, conf, MobileDependency{}, peer.NewRecorder("https://mgm")), nil
 }
 
-func startSignal(port int) (*grpc.Server, error) {
+func startSignal() (*grpc.Server, string, error) {
 	s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
 
-	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
+	lis, err := net.Listen("tcp", "localhost:0")
 	if err != nil {
 		log.Fatalf("failed to listen: %v", err)
 	}
@@ -928,10 +1019,10 @@ func startSignal(port int) (*grpc.Server, error) {
 		}
 	}()
 
-	return s, nil
+	return s, lis.Addr().String(), nil
 }
 
-func startManagement(port int, dataDir string) (*grpc.Server, error) {
+func startManagement(dataDir string) (*grpc.Server, string, error) {
 	config := &server.Config{
 		Stuns:      []*server.Host{},
 		TURNConfig: &server.TURNConfig{},
@@ -943,9 +1034,9 @@ func startManagement(port int, dataDir string) (*grpc.Server, error) {
 		HttpConfig: nil,
 	}
 
-	lis, err := net.Listen("tcp", fmt.Sprintf("localhost:%d", port))
+	lis, err := net.Listen("tcp", "localhost:0")
 	if err != nil {
-		return nil, err
+		return nil, "", err
 	}
 	s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
 	store, err := server.NewFileStore(config.Datadir)
@@ -953,14 +1044,19 @@ func startManagement(port int, dataDir string) (*grpc.Server, error) {
 		log.Fatalf("failed creating a store: %s: %v", config.Datadir, err)
 	}
 	peersUpdateManager := server.NewPeersUpdateManager()
-	accountManager, err := server.BuildManager(store, peersUpdateManager, nil, "", "")
+	eventStore := &activity.InMemoryEventStore{}
 	if err != nil {
-		return nil, err
+		return nil, "", nil
+	}
+	accountManager, err := server.BuildManager(store, peersUpdateManager, nil, "", "",
+		eventStore)
+	if err != nil {
+		return nil, "", err
 	}
 	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
 	mgmtServer, err := server.NewServer(config, accountManager, peersUpdateManager, turnManager, nil)
 	if err != nil {
-		return nil, err
+		return nil, "", err
 	}
 	mgmtProto.RegisterManagementServiceServer(s, mgmtServer)
 	go func() {
@@ -969,5 +1065,25 @@ func startManagement(port int, dataDir string) (*grpc.Server, error) {
 		}
 	}()
 
-	return s, nil
+	return s, lis.Addr().String(), nil
+}
+
+// getConnectedPeers returns a connection Status or nil if peer connection wasn't found
+func getConnectedPeers(e *Engine) int {
+	e.syncMsgMux.Lock()
+	defer e.syncMsgMux.Unlock()
+	i := 0
+	for _, conn := range e.peerConns {
+		if conn.Status() == peer.StatusConnected {
+			i++
+		}
+	}
+	return i
+}
+
+func getPeers(e *Engine) int {
+	e.syncMsgMux.Lock()
+	defer e.syncMsgMux.Unlock()
+
+	return len(e.peerConns)
 }

client/internal/login.go

@@ -2,37 +2,26 @@ package internal
 
 import (
 	"context"
+	"net/url"
+
 	"github.com/google/uuid"
-	"github.com/netbirdio/netbird/client/ssh"
-	"github.com/netbirdio/netbird/client/system"
-	mgm "github.com/netbirdio/netbird/management/client"
-	mgmProto "github.com/netbirdio/netbird/management/proto"
 	log "github.com/sirupsen/logrus"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/ssh"
+	"github.com/netbirdio/netbird/client/system"
+	mgm "github.com/netbirdio/netbird/management/client"
+	mgmProto "github.com/netbirdio/netbird/management/proto"
 )
 
-func Login(ctx context.Context, config *Config, setupKey string, jwtToken string) error {
-	// validate our peer's Wireguard PRIVATE key
-	myPrivateKey, err := wgtypes.ParseKey(config.PrivateKey)
+// IsLoginRequired check that the server is support SSO or not
+func IsLoginRequired(ctx context.Context, privateKey string, mgmURL *url.URL, sshKey string) (bool, error) {
+	mgmClient, err := getMgmClient(ctx, privateKey, mgmURL)
 	if err != nil {
-		log.Errorf("failed parsing Wireguard key %s: [%s]", config.PrivateKey, err.Error())
-		return err
+		return false, err
 	}
-
-	var mgmTlsEnabled bool
-	if config.ManagementURL.Scheme == "https" {
-		mgmTlsEnabled = true
-	}
-
-	log.Debugf("connecting to the Management service %s", config.ManagementURL.String())
-	mgmClient, err := mgm.NewClient(ctx, config.ManagementURL.Host, myPrivateKey, mgmTlsEnabled)
-	if err != nil {
-		log.Errorf("failed connecting to the Management service %s %v", config.ManagementURL.String(), err)
-		return err
-	}
-	log.Debugf("connected to the Management service %s", config.ManagementURL.String())
 	defer func() {
 		err = mgmClient.Close()
 		if err != nil {
@@ -42,47 +31,84 @@ func Login(ctx context.Context, config *Config, setupKey string, jwtToken string
 			}
 		}
 	}()
+	log.Debugf("connected to the Management service %s", mgmURL.String())
 
-	serverKey, err := mgmClient.GetServerPublicKey()
+	pubSSHKey, err := ssh.GeneratePublicKey([]byte(sshKey))
+	if err != nil {
+		return false, err
+	}
+
+	_, err = doMgmLogin(ctx, mgmClient, pubSSHKey)
+	if isLoginNeeded(err) {
+		return true, nil
+	}
+	return false, err
+}
+
+// Login or register the client
+func Login(ctx context.Context, config *Config, setupKey string, jwtToken string) error {
+	mgmClient, err := getMgmClient(ctx, config.PrivateKey, config.ManagementURL)
 	if err != nil {
-		log.Errorf("failed while getting Management Service public key: %v", err)
 		return err
 	}
+	defer func() {
+		err = mgmClient.Close()
+		if err != nil {
+			cStatus, ok := status.FromError(err)
+			if !ok || ok && cStatus.Code() != codes.Canceled {
+				log.Warnf("failed to close the Management service client, err: %v", err)
+			}
+		}
+	}()
+	log.Debugf("connected to the Management service %s", config.ManagementURL.String())
 
 	pubSSHKey, err := ssh.GeneratePublicKey([]byte(config.SSHKey))
 	if err != nil {
 		return err
 	}
-	_, err = loginPeer(ctx, *serverKey, mgmClient, setupKey, jwtToken, pubSSHKey)
-	if err != nil {
-		log.Errorf("failed logging-in peer on Management Service : %v", err)
-		return err
-	}
-	log.Infof("peer has successfully logged-in to the Management service %s", config.ManagementURL.String())
 
-	err = mgmClient.Close()
-	if err != nil {
-		log.Errorf("failed to close the Management service client: %v", err)
+	serverKey, err := doMgmLogin(ctx, mgmClient, pubSSHKey)
+	if isRegistrationNeeded(err) {
+		log.Debugf("peer registration required")
+		_, err = registerPeer(ctx, *serverKey, mgmClient, setupKey, jwtToken, pubSSHKey)
 		return err
 	}
 
-	return nil
+	return err
 }
 
-// loginPeer attempts to login to Management Service. If peer wasn't registered, tries the registration flow.
-func loginPeer(ctx context.Context, serverPublicKey wgtypes.Key, client *mgm.GrpcClient, setupKey string, jwtToken string, pubSSHKey []byte) (*mgmProto.LoginResponse, error) {
-	sysInfo := system.GetInfo(ctx)
-	loginResp, err := client.Login(serverPublicKey, sysInfo, pubSSHKey)
+func getMgmClient(ctx context.Context, privateKey string, mgmURL *url.URL) (*mgm.GrpcClient, error) {
+	// validate our peer's Wireguard PRIVATE key
+	myPrivateKey, err := wgtypes.ParseKey(privateKey)
 	if err != nil {
-		if s, ok := status.FromError(err); ok && s.Code() == codes.PermissionDenied {
-			log.Debugf("peer registration required")
-			return registerPeer(ctx, serverPublicKey, client, setupKey, jwtToken, pubSSHKey)
-		} else {
-			return nil, err
-		}
+		log.Errorf("failed parsing Wireguard key %s: [%s]", privateKey, err.Error())
+		return nil, err
 	}
 
-	return loginResp, nil
+	var mgmTlsEnabled bool
+	if mgmURL.Scheme == "https" {
+		mgmTlsEnabled = true
+	}
+
+	log.Debugf("connecting to the Management service %s", mgmURL.String())
+	mgmClient, err := mgm.NewClient(ctx, mgmURL.Host, myPrivateKey, mgmTlsEnabled)
+	if err != nil {
+		log.Errorf("failed connecting to the Management service %s %v", mgmURL.String(), err)
+		return nil, err
+	}
+	return mgmClient, err
+}
+
+func doMgmLogin(ctx context.Context, mgmClient *mgm.GrpcClient, pubSSHKey []byte) (*wgtypes.Key, error) {
+	serverKey, err := mgmClient.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return nil, err
+	}
+
+	sysInfo := system.GetInfo(ctx)
+	_, err = mgmClient.Login(*serverKey, sysInfo, pubSSHKey)
+	return serverKey, err
 }
 
 // registerPeer checks whether setupKey was provided via cmd line and if not then it prompts user to enter a key.
@@ -105,3 +131,31 @@ func registerPeer(ctx context.Context, serverPublicKey wgtypes.Key, client *mgm.
 
 	return loginResp, nil
 }
+
+func isLoginNeeded(err error) bool {
+	if err == nil {
+		return false
+	}
+	s, ok := status.FromError(err)
+	if !ok {
+		return false
+	}
+	if s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied {
+		return true
+	}
+	return false
+}
+
+func isRegistrationNeeded(err error) bool {
+	if err == nil {
+		return false
+	}
+	s, ok := status.FromError(err)
+	if !ok {
+		return false
+	}
+	if s.Code() == codes.PermissionDenied {
+		return true
+	}
+	return false
+}

client/internal/mobile_dependency.go

@@ -0,0 +1,13 @@
+package internal
+
+import (
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+	"github.com/netbirdio/netbird/iface"
+)
+
+// MobileDependency collect all dependencies for mobile platform
+type MobileDependency struct {
+	TunAdapter    iface.TunAdapter
+	IFaceDiscover stdnet.ExternalIFaceDiscover
+	Routes        []string
+}

client/internal/mobile_dependency_android.go

@@ -0,0 +1,29 @@
+package internal
+
+import (
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+	"github.com/netbirdio/netbird/iface"
+	mgm "github.com/netbirdio/netbird/management/client"
+)
+
+func newMobileDependency(tunAdapter iface.TunAdapter, ifaceDiscover stdnet.ExternalIFaceDiscover, mgmClient *mgm.GrpcClient) (MobileDependency, error) {
+	md := MobileDependency{
+		TunAdapter:    tunAdapter,
+		IFaceDiscover: ifaceDiscover,
+	}
+	err := md.readMap(mgmClient)
+	return md, err
+}
+
+func (d *MobileDependency) readMap(mgmClient *mgm.GrpcClient) error {
+	routes, err := mgmClient.GetRoutes()
+	if err != nil {
+		return err
+	}
+
+	d.Routes = make([]string, len(routes))
+	for i, r := range routes {
+		d.Routes[i] = r.GetNetwork()
+	}
+	return nil
+}

client/internal/mobile_dependency_nonandroid.go

@@ -0,0 +1,13 @@
+//go:build !android
+
+package internal
+
+import (
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+	"github.com/netbirdio/netbird/iface"
+	mgm "github.com/netbirdio/netbird/management/client"
+)
+
+func newMobileDependency(tunAdapter iface.TunAdapter, ifaceDiscover stdnet.ExternalIFaceDiscover, mgmClient *mgm.GrpcClient) (MobileDependency, error) {
+	return MobileDependency{}, nil
+}

client/internal/oauth.go

@@ -35,15 +35,6 @@ type DeviceAuthInfo struct {
 	Interval                int    `json:"interval"`
 }
 
-// TokenInfo holds information of issued access token
-type TokenInfo struct {
-	AccessToken  string `json:"access_token"`
-	RefreshToken string `json:"refresh_token"`
-	IDToken      string `json:"id_token"`
-	TokenType    string `json:"token_type"`
-	ExpiresIn    int    `json:"expires_in"`
-}
-
 // HostedGrantType grant type for device flow on Hosted
 const (
 	HostedGrantType    = "urn:ietf:params:oauth:grant-type:device_code"
@@ -52,14 +43,7 @@ const (
 
 // Hosted client
 type Hosted struct {
-	// Hosted API Audience for validation
-	Audience string
-	// Hosted Native application client id
-	ClientID string
-	// TokenEndpoint to request access token
-	TokenEndpoint string
-	// DeviceAuthEndpoint to request device authorization code
-	DeviceAuthEndpoint string
+	providerConfig ProviderConfig
 
 	HTTPClient HTTPClient
 }
@@ -68,6 +52,7 @@ type Hosted struct {
 type RequestDeviceCodePayload struct {
 	Audience string `json:"audience"`
 	ClientID string `json:"client_id"`
+	Scope    string `json:"scope"`
 }
 
 // TokenRequestPayload used for requesting the auth0 token
@@ -90,8 +75,26 @@ type Claims struct {
 	Audience interface{} `json:"aud"`
 }
 
+// TokenInfo holds information of issued access token
+type TokenInfo struct {
+	AccessToken  string `json:"access_token"`
+	RefreshToken string `json:"refresh_token"`
+	IDToken      string `json:"id_token"`
+	TokenType    string `json:"token_type"`
+	ExpiresIn    int    `json:"expires_in"`
+	UseIDToken   bool   `json:"-"`
+}
+
+// GetTokenToUse returns either the access or id token based on UseIDToken field
+func (t TokenInfo) GetTokenToUse() string {
+	if t.UseIDToken {
+		return t.IDToken
+	}
+	return t.AccessToken
+}
+
 // NewHostedDeviceFlow returns an Hosted OAuth client
-func NewHostedDeviceFlow(audience string, clientID string, tokenEndpoint string, deviceAuthEndpoint string) *Hosted {
+func NewHostedDeviceFlow(config ProviderConfig) *Hosted {
 	httpTransport := http.DefaultTransport.(*http.Transport).Clone()
 	httpTransport.MaxIdleConns = 5
 
@@ -101,25 +104,23 @@ func NewHostedDeviceFlow(audience string, clientID string, tokenEndpoint string,
 	}
 
 	return &Hosted{
-		Audience:           audience,
-		ClientID:           clientID,
-		TokenEndpoint:      tokenEndpoint,
-		HTTPClient:         httpClient,
-		DeviceAuthEndpoint: deviceAuthEndpoint,
+		providerConfig: config,
+		HTTPClient:     httpClient,
 	}
 }
 
 // GetClientID returns the provider client id
 func (h *Hosted) GetClientID(ctx context.Context) string {
-	return h.ClientID
+	return h.providerConfig.ClientID
 }
 
 // RequestDeviceCode requests a device code login flow information from Hosted
 func (h *Hosted) RequestDeviceCode(ctx context.Context) (DeviceAuthInfo, error) {
 	form := url.Values{}
-	form.Add("client_id", h.ClientID)
-	form.Add("audience", h.Audience)
-	req, err := http.NewRequest("POST", h.DeviceAuthEndpoint,
+	form.Add("client_id", h.providerConfig.ClientID)
+	form.Add("audience", h.providerConfig.Audience)
+	form.Add("scope", h.providerConfig.Scope)
+	req, err := http.NewRequest("POST", h.providerConfig.DeviceAuthEndpoint,
 		strings.NewReader(form.Encode()))
 	if err != nil {
 		return DeviceAuthInfo{}, fmt.Errorf("creating request failed with error: %v", err)
@@ -152,10 +153,10 @@ func (h *Hosted) RequestDeviceCode(ctx context.Context) (DeviceAuthInfo, error)
 
 func (h *Hosted) requestToken(info DeviceAuthInfo) (TokenRequestResponse, error) {
 	form := url.Values{}
-	form.Add("client_id", h.ClientID)
+	form.Add("client_id", h.providerConfig.ClientID)
 	form.Add("grant_type", HostedGrantType)
 	form.Add("device_code", info.DeviceCode)
-	req, err := http.NewRequest("POST", h.TokenEndpoint, strings.NewReader(form.Encode()))
+	req, err := http.NewRequest("POST", h.providerConfig.TokenEndpoint, strings.NewReader(form.Encode()))
 	if err != nil {
 		return TokenRequestResponse{}, fmt.Errorf("failed to create request access token: %v", err)
 	}
@@ -220,18 +221,20 @@ func (h *Hosted) WaitToken(ctx context.Context, info DeviceAuthInfo) (TokenInfo,
 				return TokenInfo{}, fmt.Errorf(tokenResponse.ErrorDescription)
 			}
 
-			err = isValidAccessToken(tokenResponse.AccessToken, h.Audience)
-			if err != nil {
-				return TokenInfo{}, fmt.Errorf("validate access token failed with error: %v", err)
-			}
-
 			tokenInfo := TokenInfo{
 				AccessToken:  tokenResponse.AccessToken,
 				TokenType:    tokenResponse.TokenType,
 				RefreshToken: tokenResponse.RefreshToken,
 				IDToken:      tokenResponse.IDToken,
 				ExpiresIn:    tokenResponse.ExpiresIn,
+				UseIDToken:   h.providerConfig.UseIDToken,
 			}
+
+			err = isValidAccessToken(tokenInfo.GetTokenToUse(), h.providerConfig.Audience)
+			if err != nil {
+				return TokenInfo{}, fmt.Errorf("validate access token failed with error: %v", err)
+			}
+
 			return tokenInfo, err
 		}
 	}

client/internal/oauth_test.go

@@ -3,14 +3,15 @@ package internal
 import (
 	"context"
 	"fmt"
-	"github.com/golang-jwt/jwt"
-	"github.com/stretchr/testify/require"
 	"io"
 	"net/http"
 	"net/url"
 	"strings"
 	"testing"
 	"time"
+
+	"github.com/golang-jwt/jwt"
+	"github.com/stretchr/testify/require"
 )
 
 type mockHTTPClient struct {
@@ -59,9 +60,11 @@ func TestHosted_RequestDeviceCode(t *testing.T) {
 
 	expectedAudience := "ok"
 	expectedClientID := "bla"
+	expectedScope := "openid"
 	form := url.Values{}
 	form.Add("audience", expectedAudience)
 	form.Add("client_id", expectedClientID)
+	form.Add("scope", expectedScope)
 	expectPayload := form.Encode()
 
 	testCase1 := test{
@@ -111,11 +114,15 @@ func TestHosted_RequestDeviceCode(t *testing.T) {
 			}
 
 			hosted := Hosted{
-				Audience:           expectedAudience,
-				ClientID:           expectedClientID,
-				TokenEndpoint:      "test.hosted.com/token",
-				DeviceAuthEndpoint: "test.hosted.com/device/auth",
-				HTTPClient:         &httpClient,
+				providerConfig: ProviderConfig{
+					Audience:           expectedAudience,
+					ClientID:           expectedClientID,
+					Scope:              expectedScope,
+					TokenEndpoint:      "test.hosted.com/token",
+					DeviceAuthEndpoint: "test.hosted.com/device/auth",
+					UseIDToken:         false,
+				},
+				HTTPClient: &httpClient,
 			}
 
 			authInfo, err := hosted.RequestDeviceCode(context.TODO())
@@ -272,12 +279,15 @@ func TestHosted_WaitToken(t *testing.T) {
 			}
 
 			hosted := Hosted{
-				Audience:           testCase.inputAudience,
-				ClientID:           clientID,
-				TokenEndpoint:      "test.hosted.com/token",
-				DeviceAuthEndpoint: "test.hosted.com/device/auth",
-				HTTPClient:         &httpClient,
-			}
+				providerConfig: ProviderConfig{
+					Audience:           testCase.inputAudience,
+					ClientID:           clientID,
+					TokenEndpoint:      "test.hosted.com/token",
+					DeviceAuthEndpoint: "test.hosted.com/device/auth",
+					Scope:              "openid",
+					UseIDToken:         false,
+				},
+				HTTPClient: &httpClient}
 
 			ctx, cancel := context.WithTimeout(context.TODO(), testCase.inputTimeout)
 			defer cancel()

client/internal/peer/conn.go

@@ -2,18 +2,21 @@ package peer
 
 import (
 	"context"
+	"fmt"
 	"net"
 	"strings"
 	"sync"
 	"time"
 
-	"github.com/netbirdio/netbird/client/internal/proxy"
-	nbStatus "github.com/netbirdio/netbird/client/status"
-	"github.com/netbirdio/netbird/client/system"
-	"github.com/netbirdio/netbird/iface"
 	"github.com/pion/ice/v2"
 	log "github.com/sirupsen/logrus"
-	"golang.zx2c4.com/wireguard/wgctrl"
+
+	"github.com/netbirdio/netbird/client/internal/proxy"
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+	"github.com/netbirdio/netbird/iface"
+	signal "github.com/netbirdio/netbird/signal/client"
+	sProto "github.com/netbirdio/netbird/signal/proto"
+	"github.com/netbirdio/netbird/version"
 )
 
 // ConnConfig is a peer Connection configuration
@@ -42,6 +45,9 @@ type ConnConfig struct {
 	LocalWgPort int
 
 	NATExternalIPs []string
+
+	// UsesBind indicates whether the WireGuard interface is userspace and uses bind.ICEBind
+	UserspaceBind bool
 }
 
 // OfferAnswer represents a session establishment offer or answer
@@ -69,8 +75,9 @@ type Conn struct {
 	// signalCandidate is a handler function to signal remote peer about local connection candidate
 	signalCandidate func(candidate ice.Candidate) error
 	// signalOffer is a handler function to signal remote peer our connection offer (credentials)
-	signalOffer  func(OfferAnswer) error
-	signalAnswer func(OfferAnswer) error
+	signalOffer       func(OfferAnswer) error
+	signalAnswer      func(OfferAnswer) error
+	sendSignalMessage func(message *sProto.Message) error
 
 	// remoteOffersCh is a channel used to wait for remote credentials to proceed with the connection
 	remoteOffersCh chan OfferAnswer
@@ -83,9 +90,25 @@ type Conn struct {
 	agent  *ice.Agent
 	status ConnStatus
 
-	statusRecorder *nbStatus.Status
+	statusRecorder *Status
 
-	proxy proxy.Proxy
+	proxy        proxy.Proxy
+	remoteModeCh chan ModeMessage
+	meta         meta
+
+	adapter       iface.TunAdapter
+	iFaceDiscover stdnet.ExternalIFaceDiscover
+}
+
+// meta holds meta information about a connection
+type meta struct {
+	protoSupport signal.FeaturesSupport
+}
+
+// ModeMessage represents a connection mode chosen by the peer
+type ModeMessage struct {
+	// Direct indicates that it decided to use a direct connection
+	Direct bool
 }
 
 // GetConf returns the connection config
@@ -100,7 +123,7 @@ func (conn *Conn) UpdateConf(conf ConnConfig) {
 
 // NewConn creates a new not opened Conn to the remote peer.
 // To establish a connection run Conn.Open
-func NewConn(config ConnConfig, statusRecorder *nbStatus.Status) (*Conn, error) {
+func NewConn(config ConnConfig, statusRecorder *Status, adapter iface.TunAdapter, iFaceDiscover stdnet.ExternalIFaceDiscover) (*Conn, error) {
 	return &Conn{
 		config:         config,
 		mu:             sync.Mutex{},
@@ -109,53 +132,34 @@ func NewConn(config ConnConfig, statusRecorder *nbStatus.Status) (*Conn, error)
 		remoteOffersCh: make(chan OfferAnswer),
 		remoteAnswerCh: make(chan OfferAnswer),
 		statusRecorder: statusRecorder,
+		remoteModeCh:   make(chan ModeMessage, 1),
+		adapter:        adapter,
+		iFaceDiscover:  iFaceDiscover,
 	}, nil
 }
 
-// interfaceFilter is a function passed to ICE Agent to filter out not allowed interfaces
-// to avoid building tunnel over them
-func interfaceFilter(blackList []string) func(string) bool {
-
-	return func(iFace string) bool {
-		for _, s := range blackList {
-			if strings.HasPrefix(iFace, s) {
-				log.Debugf("ignoring interface %s - it is not allowed", iFace)
-				return false
-			}
-		}
-		// look for unlisted WireGuard interfaces
-		wg, err := wgctrl.New()
-		if err != nil {
-			log.Debugf("trying to create a wgctrl client failed with: %v", err)
-		}
-		defer func() {
-			err := wg.Close()
-			if err != nil {
-				return
-			}
-		}()
-
-		_, err = wg.Device(iFace)
-		return err != nil
-	}
-}
-
 func (conn *Conn) reCreateAgent() error {
 	conn.mu.Lock()
 	defer conn.mu.Unlock()
 
 	failedTimeout := 6 * time.Second
+
 	var err error
+	transportNet, err := conn.newStdNet()
+	if err != nil {
+		log.Errorf("failed to create pion's stdnet: %s", err)
+	}
 	agentConfig := &ice.AgentConfig{
 		MulticastDNSMode: ice.MulticastDNSModeDisabled,
 		NetworkTypes:     []ice.NetworkType{ice.NetworkTypeUDP4, ice.NetworkTypeUDP6},
 		Urls:             conn.config.StunTurn,
 		CandidateTypes:   []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive, ice.CandidateTypeRelay},
 		FailedTimeout:    &failedTimeout,
-		InterfaceFilter:  interfaceFilter(conn.config.InterfaceBlackList),
+		InterfaceFilter:  stdnet.InterfaceFilter(conn.config.InterfaceBlackList),
 		UDPMux:           conn.config.UDPMux,
 		UDPMuxSrflx:      conn.config.UDPMuxSrflx,
 		NAT1To1IPs:       conn.config.NATExternalIPs,
+		Net:              transportNet,
 	}
 
 	if conn.config.DisableIPv6Discovery {
@@ -192,11 +196,11 @@ func (conn *Conn) reCreateAgent() error {
 func (conn *Conn) Open() error {
 	log.Debugf("trying to connect to peer %s", conn.config.Key)
 
-	peerState := nbStatus.PeerState{PubKey: conn.config.Key}
+	peerState := State{PubKey: conn.config.Key}
 
 	peerState.IP = strings.Split(conn.config.ProxyConfig.AllowedIps, "/")[0]
 	peerState.ConnStatusUpdate = time.Now()
-	peerState.ConnStatus = conn.status.String()
+	peerState.ConnStatus = conn.status
 
 	err := conn.statusRecorder.UpdatePeerState(peerState)
 	if err != nil {
@@ -252,9 +256,9 @@ func (conn *Conn) Open() error {
 	defer conn.notifyDisconnected()
 	conn.mu.Unlock()
 
-	peerState = nbStatus.PeerState{PubKey: conn.config.Key}
+	peerState = State{PubKey: conn.config.Key}
 
-	peerState.ConnStatus = conn.status.String()
+	peerState.ConnStatus = conn.status
 	peerState.ConnStatusUpdate = time.Now()
 	err = conn.statusRecorder.UpdatePeerState(peerState)
 	if err != nil {
@@ -291,7 +295,7 @@ func (conn *Conn) Open() error {
 		return err
 	}
 
-	if conn.proxy.Type() == proxy.TypeNoProxy {
+	if conn.proxy.Type() == proxy.TypeDirectNoProxy {
 		host, _, _ := net.SplitHostPort(remoteConn.LocalAddr().String())
 		rhost, _, _ := net.SplitHostPort(remoteConn.RemoteAddr().String())
 		// direct Wireguard connection
@@ -312,39 +316,82 @@ func (conn *Conn) Open() error {
 }
 
 // useProxy determines whether a direct connection (without a go proxy) is possible
-// There are 3 cases: one of the peers has a public IP or both peers are in the same private network
+//
+// There are 3 cases:
+//
+// * When neither candidate is from hard nat and one of the peers has a public IP
+//
+// * both peers are in the same private network
+//
+// * Local peer uses userspace interface with bind.ICEBind and is not relayed
+//
 // Please note, that this check happens when peers were already able to ping each other using ICE layer.
-func shouldUseProxy(pair *ice.CandidatePair) bool {
-	remoteIP := net.ParseIP(pair.Remote.Address())
-	myIp := net.ParseIP(pair.Local.Address())
-	remoteIsPublic := IsPublicIP(remoteIP)
-	myIsPublic := IsPublicIP(myIp)
+func shouldUseProxy(pair *ice.CandidatePair, userspaceBind bool) bool {
 
-	if pair.Local.Type() == ice.CandidateTypeRelay || pair.Remote.Type() == ice.CandidateTypeRelay {
-		return true
-	}
-
-	//one of the hosts has a public IP
-	if remoteIsPublic && pair.Remote.Type() == ice.CandidateTypeHost {
-		return false
-	}
-	if myIsPublic && pair.Local.Type() == ice.CandidateTypeHost {
+	if !isRelayCandidate(pair.Local) && userspaceBind {
+		log.Debugf("shouldn't use proxy because using Bind and the connection is not relayed")
 		return false
 	}
 
-	if pair.Local.Type() == ice.CandidateTypeHost && pair.Remote.Type() == ice.CandidateTypeHost {
-		if !remoteIsPublic && !myIsPublic {
-			//both hosts are in the same private network
-			return false
-		}
+	if !isHardNATCandidate(pair.Local) && isHostCandidateWithPublicIP(pair.Remote) {
+		log.Debugf("shouldn't use proxy because the local peer is not behind a hard NAT and the remote one has a public IP")
+		return false
+	}
+
+	if !isHardNATCandidate(pair.Remote) && isHostCandidateWithPublicIP(pair.Local) {
+		log.Debugf("shouldn't use proxy because the remote peer is not behind a hard NAT and the local one has a public IP")
+		return false
+	}
+
+	if isHostCandidateWithPrivateIP(pair.Local) && isHostCandidateWithPrivateIP(pair.Remote) && isSameNetworkPrefix(pair) {
+		log.Debugf("shouldn't use proxy because peers are in the same private /16 network")
+		return false
+	}
+
+	if (isPeerReflexiveCandidateWithPrivateIP(pair.Local) && isHostCandidateWithPrivateIP(pair.Remote) ||
+		isHostCandidateWithPrivateIP(pair.Local) && isPeerReflexiveCandidateWithPrivateIP(pair.Remote)) && isSameNetworkPrefix(pair) {
+		log.Debugf("shouldn't use proxy because peers are in the same private /16 network and one peer is peer reflexive")
+		return false
 	}
 
 	return true
 }
 
-// IsPublicIP indicates whether IP is public or not.
-func IsPublicIP(ip net.IP) bool {
-	if ip.IsLoopback() || ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast() || ip.IsPrivate() {
+func isSameNetworkPrefix(pair *ice.CandidatePair) bool {
+
+	localIP := net.ParseIP(pair.Local.Address())
+	remoteIP := net.ParseIP(pair.Remote.Address())
+	if localIP == nil || remoteIP == nil {
+		return false
+	}
+	// only consider /16 networks
+	mask := net.IPMask{255, 255, 0, 0}
+	return localIP.Mask(mask).Equal(remoteIP.Mask(mask))
+}
+
+func isRelayCandidate(candidate ice.Candidate) bool {
+	return candidate.Type() == ice.CandidateTypeRelay
+}
+
+func isHardNATCandidate(candidate ice.Candidate) bool {
+	return candidate.Type() == ice.CandidateTypeRelay || candidate.Type() == ice.CandidateTypePeerReflexive
+}
+
+func isHostCandidateWithPublicIP(candidate ice.Candidate) bool {
+	return candidate.Type() == ice.CandidateTypeHost && isPublicIP(candidate.Address())
+}
+
+func isHostCandidateWithPrivateIP(candidate ice.Candidate) bool {
+	return candidate.Type() == ice.CandidateTypeHost && !isPublicIP(candidate.Address())
+}
+
+func isPeerReflexiveCandidateWithPrivateIP(candidate ice.Candidate) bool {
+	return candidate.Type() == ice.CandidateTypePeerReflexive && !isPublicIP(candidate.Address())
+}
+
+func isPublicIP(address string) bool {
+	ip := net.ParseIP(address)
+	if ip == nil || ip.IsLoopback() || ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast() || ip.IsPrivate() {
 		return false
 	}
 	return true
@@ -361,16 +408,8 @@ func (conn *Conn) startProxy(remoteConn net.Conn, remoteWgPort int) error {
 		return err
 	}
 
-	peerState := nbStatus.PeerState{PubKey: conn.config.Key}
-	useProxy := shouldUseProxy(pair)
-	var p proxy.Proxy
-	if useProxy {
-		p = proxy.NewWireguardProxy(conn.config.ProxyConfig)
-		peerState.Direct = false
-	} else {
-		p = proxy.NewNoProxy(conn.config.ProxyConfig, remoteWgPort)
-		peerState.Direct = true
-	}
+	peerState := State{PubKey: conn.config.Key}
+	p := conn.getProxyWithMessageExchange(pair, remoteWgPort)
 	conn.proxy = p
 	err = p.Start(remoteConn)
 	if err != nil {
@@ -379,13 +418,14 @@ func (conn *Conn) startProxy(remoteConn net.Conn, remoteWgPort int) error {
 
 	conn.status = StatusConnected
 
-	peerState.ConnStatus = conn.status.String()
+	peerState.ConnStatus = conn.status
 	peerState.ConnStatusUpdate = time.Now()
 	peerState.LocalIceCandidateType = pair.Local.Type().String()
 	peerState.RemoteIceCandidateType = pair.Remote.Type().String()
 	if pair.Local.Type() == ice.CandidateTypeRelay || pair.Remote.Type() == ice.CandidateTypeRelay {
 		peerState.Relayed = true
 	}
+	peerState.Direct = p.Type() == proxy.TypeDirectNoProxy || p.Type() == proxy.TypeNoProxy
 
 	err = conn.statusRecorder.UpdatePeerState(peerState)
 	if err != nil {
@@ -395,6 +435,65 @@ func (conn *Conn) startProxy(remoteConn net.Conn, remoteWgPort int) error {
 	return nil
 }
 
+func (conn *Conn) getProxyWithMessageExchange(pair *ice.CandidatePair, remoteWgPort int) proxy.Proxy {
+	useProxy := shouldUseProxy(pair, conn.config.UserspaceBind)
+	localDirectMode := !useProxy
+	remoteDirectMode := localDirectMode
+
+	if conn.meta.protoSupport.DirectCheck {
+		go conn.sendLocalDirectMode(localDirectMode)
+		// will block until message received or timeout
+		remoteDirectMode = conn.receiveRemoteDirectMode()
+	}
+
+	if conn.config.UserspaceBind && localDirectMode {
+		return proxy.NewNoProxy(conn.config.ProxyConfig)
+	}
+
+	if localDirectMode && remoteDirectMode {
+		return proxy.NewDirectNoProxy(conn.config.ProxyConfig, remoteWgPort)
+	}
+
+	log.Debugf("falling back to local proxy mode with peer %s", conn.config.Key)
+	return proxy.NewWireGuardProxy(conn.config.ProxyConfig)
+}
+
+func (conn *Conn) sendLocalDirectMode(localMode bool) {
+	// todo what happens when we couldn't deliver this message?
+	// we could retry, etc but there is no guarantee
+
+	err := conn.sendSignalMessage(&sProto.Message{
+		Key:       conn.config.LocalKey,
+		RemoteKey: conn.config.Key,
+		Body: &sProto.Body{
+			Type: sProto.Body_MODE,
+			Mode: &sProto.Mode{
+				Direct: &localMode,
+			},
+			NetBirdVersion: version.NetbirdVersion(),
+		},
+	})
+	if err != nil {
+		log.Errorf("failed to send local proxy mode to remote peer %s, error: %s", conn.config.Key, err)
+	}
+}
+
+func (conn *Conn) receiveRemoteDirectMode() bool {
+	timeout := time.Second
+	timer := time.NewTimer(timeout)
+	defer timer.Stop()
+
+	select {
+	case receivedMSG := <-conn.remoteModeCh:
+		return receivedMSG.Direct
+	case <-timer.C:
+		// we didn't receive a message from remote so we assume that it supports the direct mode to keep the old behaviour
+		log.Debugf("timeout after %s while waiting for remote direct mode message from remote peer %s",
+			timeout, conn.config.Key)
+		return true
+	}
+}
+
 // cleanup closes all open resources and sets status to StatusDisconnected
 func (conn *Conn) cleanup() error {
 	log.Debugf("trying to cleanup %s", conn.config.Key)
@@ -424,8 +523,8 @@ func (conn *Conn) cleanup() error {
 
 	conn.status = StatusDisconnected
 
-	peerState := nbStatus.PeerState{PubKey: conn.config.Key}
-	peerState.ConnStatus = conn.status.String()
+	peerState := State{PubKey: conn.config.Key}
+	peerState.ConnStatus = conn.status
 	peerState.ConnStatusUpdate = time.Now()
 
 	err := conn.statusRecorder.UpdatePeerState(peerState)
@@ -455,6 +554,11 @@ func (conn *Conn) SetSignalCandidate(handler func(candidate ice.Candidate) error
 	conn.signalCandidate = handler
 }
 
+// SetSendSignalMessage sets a handler function to be triggered by Conn when there is new message to send via signal
+func (conn *Conn) SetSendSignalMessage(handler func(message *sProto.Message) error) {
+	conn.sendSignalMessage = handler
+}
+
 // onICECandidate is a callback attached to an ICE Agent to receive new local connection candidates
 // and then signals them to the remote peer
 func (conn *Conn) onICECandidate(candidate ice.Candidate) {
@@ -496,7 +600,7 @@ func (conn *Conn) sendAnswer() error {
 	err = conn.signalAnswer(OfferAnswer{
 		IceCredentials: IceCredentials{localUFrag, localPwd},
 		WgListenPort:   conn.config.LocalWgPort,
-		Version:        system.NetbirdVersion(),
+		Version:        version.NetbirdVersion(),
 	})
 	if err != nil {
 		return err
@@ -517,7 +621,7 @@ func (conn *Conn) sendOffer() error {
 	err = conn.signalOffer(OfferAnswer{
 		IceCredentials: IceCredentials{localUFrag, localPwd},
 		WgListenPort:   conn.config.LocalWgPort,
-		Version:        system.NetbirdVersion(),
+		Version:        version.NetbirdVersion(),
 	})
 	if err != nil {
 		return err
@@ -609,3 +713,19 @@ func (conn *Conn) OnRemoteCandidate(candidate ice.Candidate) {
 func (conn *Conn) GetKey() string {
 	return conn.config.Key
 }
+
+// OnModeMessage unmarshall the payload message and send it to the mode message channel
+func (conn *Conn) OnModeMessage(message ModeMessage) error {
+	select {
+	case conn.remoteModeCh <- message:
+		return nil
+	default:
+		return fmt.Errorf("unable to process mode message: channel busy")
+	}
+}
+
+// RegisterProtoSupportMeta register supported proto message in the connection metadata
+func (conn *Conn) RegisterProtoSupportMeta(support []uint32) {
+	protoSupport := signal.ParseFeaturesSupported(support)
+	conn.meta.protoSupport = protoSupport
+}

client/internal/peer/conn_status.go

@@ -0,0 +1,29 @@
+package peer
+
+import log "github.com/sirupsen/logrus"
+
+const (
+	// StatusConnected indicate the peer is in connected state
+	StatusConnected ConnStatus = iota
+	// StatusConnecting indicate the peer is in connecting state
+	StatusConnecting
+	// StatusDisconnected indicate the peer is in disconnected state
+	StatusDisconnected
+)
+
+// ConnStatus describe the status of a peer's connection
+type ConnStatus int
+
+func (s ConnStatus) String() string {
+	switch s {
+	case StatusConnecting:
+		return "Connecting"
+	case StatusConnected:
+		return "Connected"
+	case StatusDisconnected:
+		return "Disconnected"
+	default:
+		log.Errorf("unknown status: %d", s)
+		return "INVALID_PEER_CONNECTION_STATUS"
+	}
+}

client/internal/peer/conn_status_test.go

@@ -0,0 +1,27 @@
+package peer
+
+import (
+	"github.com/magiconair/properties/assert"
+	"testing"
+)
+
+func TestConnStatus_String(t *testing.T) {
+
+	tables := []struct {
+		name   string
+		status ConnStatus
+		want   string
+	}{
+		{"StatusConnected", StatusConnected, "Connected"},
+		{"StatusDisconnected", StatusDisconnected, "Disconnected"},
+		{"StatusConnecting", StatusConnecting, "Connecting"},
+	}
+
+	for _, table := range tables {
+		t.Run(table.name, func(t *testing.T) {
+			got := table.status.String()
+			assert.Equal(t, got, table.want, "they should be equal")
+		})
+	}
+
+}

client/internal/peer/conn_test.go

@@ -1,14 +1,19 @@
 package peer
 
 import (
-	"github.com/magiconair/properties/assert"
-	"github.com/netbirdio/netbird/client/internal/proxy"
-	nbstatus "github.com/netbirdio/netbird/client/status"
-	"github.com/netbirdio/netbird/iface"
-	"github.com/pion/ice/v2"
 	"sync"
 	"testing"
 	"time"
+
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+
+	"github.com/magiconair/properties/assert"
+	"github.com/pion/ice/v2"
+	"golang.org/x/sync/errgroup"
+
+	"github.com/netbirdio/netbird/client/internal/proxy"
+	"github.com/netbirdio/netbird/iface"
+	sproto "github.com/netbirdio/netbird/signal/proto"
 )
 
 var connConf = ConnConfig{
@@ -25,7 +30,7 @@ func TestNewConn_interfaceFilter(t *testing.T) {
 	ignore := []string{iface.WgInterfaceDefault, "tun0", "zt", "ZeroTier", "utun", "wg", "ts",
 		"Tailscale", "tailscale"}
 
-	filter := interfaceFilter(ignore)
+	filter := stdnet.InterfaceFilter(ignore)
 
 	for _, s := range ignore {
 		assert.Equal(t, filter(s), false)
@@ -34,7 +39,7 @@ func TestNewConn_interfaceFilter(t *testing.T) {
 }
 
 func TestConn_GetKey(t *testing.T) {
-	conn, err := NewConn(connConf, nil)
+	conn, err := NewConn(connConf, nil, nil, nil)
 	if err != nil {
 		return
 	}
@@ -46,7 +51,7 @@ func TestConn_GetKey(t *testing.T) {
 
 func TestConn_OnRemoteOffer(t *testing.T) {
 
-	conn, err := NewConn(connConf, nbstatus.NewRecorder())
+	conn, err := NewConn(connConf, NewRecorder("https://mgm"), nil, nil)
 	if err != nil {
 		return
 	}
@@ -80,7 +85,7 @@ func TestConn_OnRemoteOffer(t *testing.T) {
 
 func TestConn_OnRemoteAnswer(t *testing.T) {
 
-	conn, err := NewConn(connConf, nbstatus.NewRecorder())
+	conn, err := NewConn(connConf, NewRecorder("https://mgm"), nil, nil)
 	if err != nil {
 		return
 	}
@@ -113,7 +118,7 @@ func TestConn_OnRemoteAnswer(t *testing.T) {
 }
 func TestConn_Status(t *testing.T) {
 
-	conn, err := NewConn(connConf, nbstatus.NewRecorder())
+	conn, err := NewConn(connConf, NewRecorder("https://mgm"), nil, nil)
 	if err != nil {
 		return
 	}
@@ -140,7 +145,7 @@ func TestConn_Status(t *testing.T) {
 
 func TestConn_Close(t *testing.T) {
 
-	conn, err := NewConn(connConf, nbstatus.NewRecorder())
+	conn, err := NewConn(connConf, NewRecorder("https://mgm"), nil, nil)
 	if err != nil {
 		return
 	}
@@ -165,3 +170,310 @@ func TestConn_Close(t *testing.T) {
 
 	wg.Wait()
 }
+
+type mockICECandidate struct {
+	ice.Candidate
+	AddressFunc func() string
+	TypeFunc    func() ice.CandidateType
+}
+
+// Address mocks and overwrite ice.Candidate Address method
+func (m *mockICECandidate) Address() string {
+	if m.AddressFunc != nil {
+		return m.AddressFunc()
+	}
+	return ""
+}
+
+// Type mocks and overwrite ice.Candidate Type method
+func (m *mockICECandidate) Type() ice.CandidateType {
+	if m.TypeFunc != nil {
+		return m.TypeFunc()
+	}
+	return ice.CandidateTypeUnspecified
+}
+
+func TestConn_ShouldUseProxy(t *testing.T) {
+	publicHostCandidate := &mockICECandidate{
+		AddressFunc: func() string {
+			return "8.8.8.8"
+		},
+		TypeFunc: func() ice.CandidateType {
+			return ice.CandidateTypeHost
+		},
+	}
+	privateHostCandidate := &mockICECandidate{
+		AddressFunc: func() string {
+			return "10.0.0.1"
+		},
+		TypeFunc: func() ice.CandidateType {
+			return ice.CandidateTypeHost
+		},
+	}
+
+	srflxCandidate := &mockICECandidate{
+		AddressFunc: func() string {
+			return "1.1.1.1"
+		},
+		TypeFunc: func() ice.CandidateType {
+			return ice.CandidateTypeServerReflexive
+		},
+	}
+
+	prflxCandidate := &mockICECandidate{
+		AddressFunc: func() string {
+			return "1.1.1.1"
+		},
+		TypeFunc: func() ice.CandidateType {
+			return ice.CandidateTypePeerReflexive
+		},
+	}
+
+	relayCandidate := &mockICECandidate{
+		AddressFunc: func() string {
+			return "1.1.1.1"
+		},
+		TypeFunc: func() ice.CandidateType {
+			return ice.CandidateTypeRelay
+		},
+	}
+
+	testCases := []struct {
+		name        string
+		candatePair *ice.CandidatePair
+		expected    bool
+	}{
+		{
+			name: "Use Proxy When Local Candidate Is Relay",
+			candatePair: &ice.CandidatePair{
+				Local:  relayCandidate,
+				Remote: privateHostCandidate,
+			},
+			expected: true,
+		},
+		{
+			name: "Use Proxy When Remote Candidate Is Relay",
+			candatePair: &ice.CandidatePair{
+				Local:  privateHostCandidate,
+				Remote: relayCandidate,
+			},
+			expected: true,
+		},
+		{
+			name: "Use Proxy When Local Candidate Is Peer Reflexive",
+			candatePair: &ice.CandidatePair{
+				Local:  prflxCandidate,
+				Remote: privateHostCandidate,
+			},
+			expected: true,
+		},
+		{
+			name: "Use Proxy When Remote Candidate Is Peer Reflexive",
+			candatePair: &ice.CandidatePair{
+				Local:  privateHostCandidate,
+				Remote: prflxCandidate,
+			},
+			expected: true,
+		},
+		{
+			name: "Don't Use Proxy When Local Candidate Is Public And Remote Is Private",
+			candatePair: &ice.CandidatePair{
+				Local:  publicHostCandidate,
+				Remote: privateHostCandidate,
+			},
+			expected: false,
+		},
+		{
+			name: "Don't Use Proxy When Remote Candidate Is Public And Local Is Private",
+			candatePair: &ice.CandidatePair{
+				Local:  privateHostCandidate,
+				Remote: publicHostCandidate,
+			},
+			expected: false,
+		},
+		{
+			name: "Don't Use Proxy When Local Candidate is Public And Remote Is Server Reflexive",
+			candatePair: &ice.CandidatePair{
+				Local:  publicHostCandidate,
+				Remote: srflxCandidate,
+			},
+			expected: false,
+		},
+		{
+			name: "Don't Use Proxy When Remote Candidate is Public And Local Is Server Reflexive",
+			candatePair: &ice.CandidatePair{
+				Local:  srflxCandidate,
+				Remote: publicHostCandidate,
+			},
+			expected: false,
+		},
+		{
+			name: "Don't Use Proxy When Both Candidates Are Public",
+			candatePair: &ice.CandidatePair{
+				Local:  publicHostCandidate,
+				Remote: publicHostCandidate,
+			},
+			expected: false,
+		},
+		{
+			name: "Don't Use Proxy When Both Candidates Are Private",
+			candatePair: &ice.CandidatePair{
+				Local:  privateHostCandidate,
+				Remote: privateHostCandidate,
+			},
+			expected: false,
+		},
+		{
+			name: "Don't Use Proxy When Both Candidates are in private network and one is peer reflexive",
+			candatePair: &ice.CandidatePair{
+				Local: &mockICECandidate{AddressFunc: func() string {
+					return "10.16.102.168"
+				},
+					TypeFunc: func() ice.CandidateType {
+						return ice.CandidateTypeHost
+					}},
+				Remote: &mockICECandidate{AddressFunc: func() string {
+					return "10.16.101.96"
+				},
+					TypeFunc: func() ice.CandidateType {
+						return ice.CandidateTypePeerReflexive
+					}},
+			},
+			expected: false,
+		},
+		{
+			name: "Should Use Proxy When Both Candidates are in private network and both are peer reflexive",
+			candatePair: &ice.CandidatePair{
+				Local: &mockICECandidate{AddressFunc: func() string {
+					return "10.16.102.168"
+				},
+					TypeFunc: func() ice.CandidateType {
+						return ice.CandidateTypePeerReflexive
+					}},
+				Remote: &mockICECandidate{AddressFunc: func() string {
+					return "10.16.101.96"
+				},
+					TypeFunc: func() ice.CandidateType {
+						return ice.CandidateTypePeerReflexive
+					}},
+			},
+			expected: true,
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			result := shouldUseProxy(testCase.candatePair, false)
+			if result != testCase.expected {
+				t.Errorf("got a different result. Expected %t Got %t", testCase.expected, result)
+			}
+		})
+	}
+}
+
+func TestGetProxyWithMessageExchange(t *testing.T) {
+	publicHostCandidate := &mockICECandidate{
+		AddressFunc: func() string {
+			return "8.8.8.8"
+		},
+		TypeFunc: func() ice.CandidateType {
+			return ice.CandidateTypeHost
+		},
+	}
+	relayCandidate := &mockICECandidate{
+		AddressFunc: func() string {
+			return "1.1.1.1"
+		},
+		TypeFunc: func() ice.CandidateType {
+			return ice.CandidateTypeRelay
+		},
+	}
+
+	testCases := []struct {
+		name                   string
+		candatePair            *ice.CandidatePair
+		inputDirectModeSupport bool
+		inputRemoteModeMessage bool
+		expected               proxy.Type
+	}{
+		{
+			name: "Should Result In Using Wireguard Proxy When Local Eval Is Use Proxy",
+			candatePair: &ice.CandidatePair{
+				Local:  relayCandidate,
+				Remote: publicHostCandidate,
+			},
+			inputDirectModeSupport: true,
+			inputRemoteModeMessage: true,
+			expected:               proxy.TypeWireGuard,
+		},
+		{
+			name: "Should Result In Using Wireguard Proxy When Remote Eval Is Use Proxy",
+			candatePair: &ice.CandidatePair{
+				Local:  publicHostCandidate,
+				Remote: publicHostCandidate,
+			},
+			inputDirectModeSupport: true,
+			inputRemoteModeMessage: false,
+			expected:               proxy.TypeWireGuard,
+		},
+		{
+			name: "Should Result In Using Wireguard Proxy When Remote Direct Mode Support Is False And Local Eval Is Use Proxy",
+			candatePair: &ice.CandidatePair{
+				Local:  relayCandidate,
+				Remote: publicHostCandidate,
+			},
+			inputDirectModeSupport: false,
+			inputRemoteModeMessage: false,
+			expected:               proxy.TypeWireGuard,
+		},
+		{
+			name: "Should Result In Using Direct When Remote Direct Mode Support Is False And Local Eval Is No Use Proxy",
+			candatePair: &ice.CandidatePair{
+				Local:  publicHostCandidate,
+				Remote: publicHostCandidate,
+			},
+			inputDirectModeSupport: false,
+			inputRemoteModeMessage: false,
+			expected:               proxy.TypeDirectNoProxy,
+		},
+		{
+			name: "Should Result In Using Direct When Local And Remote Eval Is No Proxy",
+			candatePair: &ice.CandidatePair{
+				Local:  publicHostCandidate,
+				Remote: publicHostCandidate,
+			},
+			inputDirectModeSupport: true,
+			inputRemoteModeMessage: true,
+			expected:               proxy.TypeDirectNoProxy,
+		},
+	}
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			g := errgroup.Group{}
+			conn, err := NewConn(connConf, nil, nil, nil)
+			if err != nil {
+				t.Fatal(err)
+			}
+			conn.meta.protoSupport.DirectCheck = testCase.inputDirectModeSupport
+			conn.SetSendSignalMessage(func(message *sproto.Message) error {
+				return nil
+			})
+
+			g.Go(func() error {
+				return conn.OnModeMessage(ModeMessage{
+					Direct: testCase.inputRemoteModeMessage,
+				})
+			})
+
+			resultProxy := conn.getProxyWithMessageExchange(testCase.candatePair, 1000)
+
+			err = g.Wait()
+			if err != nil {
+				t.Error(err)
+			}
+			if resultProxy.Type() != testCase.expected {
+				t.Errorf("result didn't match expected value: Expected: %s, Got: %s", testCase.expected, resultProxy.Type())
+			}
+		})
+	}
+}

client/internal/peer/listener.go

@@ -0,0 +1,11 @@
+package peer
+
+// Listener is a callback type about the NetBird network connection state
+type Listener interface {
+	OnConnected()
+	OnDisconnected()
+	OnConnecting()
+	OnDisconnecting()
+	OnAddressChanged(string, string)
+	OnPeersListChanged(int)
+}

client/internal/peer/notifier.go

@@ -0,0 +1,142 @@
+package peer
+
+import (
+	"sync"
+)
+
+const (
+	stateDisconnected = iota
+	stateConnected
+	stateConnecting
+	stateDisconnecting
+)
+
+type notifier struct {
+	serverStateLock    sync.Mutex
+	listenersLock      sync.Mutex
+	listener           Listener
+	currentClientState bool
+	lastNotification   int
+}
+
+func newNotifier() *notifier {
+	return &notifier{}
+}
+
+func (n *notifier) setListener(listener Listener) {
+	n.listenersLock.Lock()
+	defer n.listenersLock.Unlock()
+
+	n.serverStateLock.Lock()
+	n.notifyListener(listener, n.lastNotification)
+	n.serverStateLock.Unlock()
+
+	n.listener = listener
+}
+
+func (n *notifier) removeListener() {
+	n.listenersLock.Lock()
+	defer n.listenersLock.Unlock()
+	n.listener = nil
+}
+
+func (n *notifier) updateServerStates(mgmState bool, signalState bool) {
+	n.serverStateLock.Lock()
+	defer n.serverStateLock.Unlock()
+
+	calculatedState := n.calculateState(mgmState, signalState)
+
+	if !n.isServerStateChanged(calculatedState) {
+		return
+	}
+
+	n.lastNotification = calculatedState
+
+	n.notify(n.lastNotification)
+}
+
+func (n *notifier) clientStart() {
+	n.serverStateLock.Lock()
+	defer n.serverStateLock.Unlock()
+	n.currentClientState = true
+	n.lastNotification = stateConnected
+	n.notify(n.lastNotification)
+}
+
+func (n *notifier) clientStop() {
+	n.serverStateLock.Lock()
+	defer n.serverStateLock.Unlock()
+	n.currentClientState = false
+	n.lastNotification = stateDisconnected
+	n.notify(n.lastNotification)
+}
+
+func (n *notifier) clientTearDown() {
+	n.serverStateLock.Lock()
+	defer n.serverStateLock.Unlock()
+	n.currentClientState = false
+	n.lastNotification = stateDisconnecting
+	n.notify(n.lastNotification)
+}
+
+func (n *notifier) isServerStateChanged(newState int) bool {
+	return n.lastNotification != newState
+}
+
+func (n *notifier) notify(state int) {
+	n.listenersLock.Lock()
+	defer n.listenersLock.Unlock()
+	if n.listener == nil {
+		return
+	}
+	n.notifyListener(n.listener, state)
+}
+
+func (n *notifier) notifyListener(l Listener, state int) {
+	go func() {
+		switch state {
+		case stateDisconnected:
+			l.OnDisconnected()
+		case stateConnected:
+			l.OnConnected()
+		case stateConnecting:
+			l.OnConnecting()
+		case stateDisconnecting:
+			l.OnDisconnecting()
+		}
+	}()
+}
+
+func (n *notifier) calculateState(managementConn, signalConn bool) int {
+	if managementConn && signalConn {
+		return stateConnected
+	}
+
+	if !managementConn && !signalConn {
+		return stateDisconnected
+	}
+
+	if n.lastNotification == stateDisconnecting {
+		return stateDisconnecting
+	}
+
+	return stateConnecting
+}
+
+func (n *notifier) peerListChanged(numOfPeers int) {
+	n.listenersLock.Lock()
+	defer n.listenersLock.Unlock()
+	if n.listener == nil {
+		return
+	}
+	n.listener.OnPeersListChanged(numOfPeers)
+}
+
+func (n *notifier) localAddressChanged(fqdn, address string) {
+	n.listenersLock.Lock()
+	defer n.listenersLock.Unlock()
+	if n.listener == nil {
+		return
+	}
+	n.listener.OnAddressChanged(fqdn, address)
+}

client/internal/peer/notifier_test.go

@@ -0,0 +1,97 @@
+package peer
+
+import (
+	"sync"
+	"testing"
+)
+
+type mocListener struct {
+	lastState int
+	wg        sync.WaitGroup
+	peers     int
+}
+
+func (l *mocListener) OnConnected() {
+	l.lastState = stateConnected
+	l.wg.Done()
+}
+func (l *mocListener) OnDisconnected() {
+	l.lastState = stateDisconnected
+	l.wg.Done()
+}
+func (l *mocListener) OnConnecting() {
+	l.lastState = stateConnecting
+	l.wg.Done()
+}
+func (l *mocListener) OnDisconnecting() {
+	l.lastState = stateDisconnecting
+	l.wg.Done()
+}
+
+func (l *mocListener) OnAddressChanged(host, addr string) {
+
+}
+func (l *mocListener) OnPeersListChanged(size int) {
+	l.peers = size
+}
+
+func (l *mocListener) setWaiter() {
+	l.wg.Add(1)
+}
+
+func (l *mocListener) wait() {
+	l.wg.Wait()
+}
+
+func Test_notifier_serverState(t *testing.T) {
+
+	type scenario struct {
+		name        string
+		expected    int
+		mgmState    bool
+		signalState bool
+	}
+	scenarios := []scenario{
+		{"connected", stateConnected, true, true},
+		{"mgm down", stateConnecting, false, true},
+		{"signal down", stateConnecting, true, false},
+		{"disconnected", stateDisconnected, false, false},
+	}
+
+	for _, tt := range scenarios {
+		t.Run(tt.name, func(t *testing.T) {
+			n := newNotifier()
+			n.updateServerStates(tt.mgmState, tt.signalState)
+			if n.lastNotification != tt.expected {
+				t.Errorf("invalid serverstate: %d, expected: %d", n.lastNotification, tt.expected)
+			}
+		})
+	}
+}
+
+func Test_notifier_SetListener(t *testing.T) {
+	listener := &mocListener{}
+	listener.setWaiter()
+
+	n := newNotifier()
+	n.lastNotification = stateConnecting
+	n.setListener(listener)
+	listener.wait()
+	if listener.lastState != n.lastNotification {
+		t.Errorf("invalid state: %d, expected: %d", listener.lastState, n.lastNotification)
+	}
+}
+
+func Test_notifier_RemoveListener(t *testing.T) {
+	listener := &mocListener{}
+	listener.setWaiter()
+	n := newNotifier()
+	n.lastNotification = stateConnecting
+	n.setListener(listener)
+	n.removeListener()
+	n.peerListChanged(1)
+
+	if listener.peers != 0 {
+		t.Errorf("invalid state: %d", listener.peers)
+	}
+}

client/internal/peer/status.go

@@ -1,25 +1,316 @@
 package peer
 
-import log "github.com/sirupsen/logrus"
+import (
+	"errors"
+	"sync"
+	"time"
+)
 
-type ConnStatus int
+// State contains the latest state of a peer
+type State struct {
+	IP                     string
+	PubKey                 string
+	FQDN                   string
+	ConnStatus             ConnStatus
+	ConnStatusUpdate       time.Time
+	Relayed                bool
+	Direct                 bool
+	LocalIceCandidateType  string
+	RemoteIceCandidateType string
+}
 
-func (s ConnStatus) String() string {
-	switch s {
-	case StatusConnecting:
-		return "Connecting"
-	case StatusConnected:
-		return "Connected"
-	case StatusDisconnected:
-		return "Disconnected"
-	default:
-		log.Errorf("unknown status: %d", s)
-		return "INVALID_PEER_CONNECTION_STATUS"
+// LocalPeerState contains the latest state of the local peer
+type LocalPeerState struct {
+	IP              string
+	PubKey          string
+	KernelInterface bool
+	FQDN            string
+}
+
+// SignalState contains the latest state of a signal connection
+type SignalState struct {
+	URL       string
+	Connected bool
+}
+
+// ManagementState contains the latest state of a management connection
+type ManagementState struct {
+	URL       string
+	Connected bool
+}
+
+// FullStatus contains the full state held by the Status instance
+type FullStatus struct {
+	Peers           []State
+	ManagementState ManagementState
+	SignalState     SignalState
+	LocalPeerState  LocalPeerState
+}
+
+// Status holds a state of peers, signal and management connections
+type Status struct {
+	mux             sync.Mutex
+	peers           map[string]State
+	changeNotify    map[string]chan struct{}
+	signalState     bool
+	managementState bool
+	localPeer       LocalPeerState
+	offlinePeers    []State
+	mgmAddress      string
+	signalAddress   string
+	notifier        *notifier
+}
+
+// NewRecorder returns a new Status instance
+func NewRecorder(mgmAddress string) *Status {
+	return &Status{
+		peers:        make(map[string]State),
+		changeNotify: make(map[string]chan struct{}),
+		offlinePeers: make([]State, 0),
+		notifier:     newNotifier(),
+		mgmAddress:   mgmAddress,
 	}
 }
 
-const (
-	StatusConnected ConnStatus = iota
-	StatusConnecting
-	StatusDisconnected
-)
+// ReplaceOfflinePeers replaces
+func (d *Status) ReplaceOfflinePeers(replacement []State) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.offlinePeers = make([]State, len(replacement))
+	copy(d.offlinePeers, replacement)
+}
+
+// AddPeer adds peer to Daemon status map
+func (d *Status) AddPeer(peerPubKey string) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	_, ok := d.peers[peerPubKey]
+	if ok {
+		return errors.New("peer already exist")
+	}
+	d.peers[peerPubKey] = State{PubKey: peerPubKey, ConnStatus: StatusDisconnected}
+	return nil
+}
+
+// GetPeer adds peer to Daemon status map
+func (d *Status) GetPeer(peerPubKey string) (State, error) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	state, ok := d.peers[peerPubKey]
+	if !ok {
+		return State{}, errors.New("peer not found")
+	}
+	return state, nil
+}
+
+// RemovePeer removes peer from Daemon status map
+func (d *Status) RemovePeer(peerPubKey string) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	_, ok := d.peers[peerPubKey]
+	if ok {
+		delete(d.peers, peerPubKey)
+		return nil
+	}
+
+	d.notifyPeerListChanged()
+	return errors.New("no peer with to remove")
+}
+
+// UpdatePeerState updates peer status
+func (d *Status) UpdatePeerState(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	if receivedState.IP != "" {
+		peerState.IP = receivedState.IP
+	}
+
+	if receivedState.ConnStatus != peerState.ConnStatus {
+		peerState.ConnStatus = receivedState.ConnStatus
+		peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+		peerState.Direct = receivedState.Direct
+		peerState.Relayed = receivedState.Relayed
+		peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
+		peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
+	}
+
+	d.peers[receivedState.PubKey] = peerState
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+// UpdatePeerFQDN update peer's state fqdn only
+func (d *Status) UpdatePeerFQDN(peerPubKey, fqdn string) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[peerPubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	peerState.FQDN = fqdn
+	d.peers[peerPubKey] = peerState
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+// GetPeerStateChangeNotifier returns a change notifier channel for a peer
+func (d *Status) GetPeerStateChangeNotifier(peer string) <-chan struct{} {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	ch, found := d.changeNotify[peer]
+	if !found || ch == nil {
+		ch = make(chan struct{})
+		d.changeNotify[peer] = ch
+	}
+	return ch
+}
+
+// UpdateLocalPeerState updates local peer status
+func (d *Status) UpdateLocalPeerState(localPeerState LocalPeerState) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	d.localPeer = localPeerState
+	d.notifyAddressChanged()
+}
+
+// CleanLocalPeerState cleans local peer status
+func (d *Status) CleanLocalPeerState() {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	d.localPeer = LocalPeerState{}
+	d.notifyAddressChanged()
+}
+
+// MarkManagementDisconnected sets ManagementState to disconnected
+func (d *Status) MarkManagementDisconnected() {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	defer d.onConnectionChanged()
+
+	d.managementState = false
+}
+
+// MarkManagementConnected sets ManagementState to connected
+func (d *Status) MarkManagementConnected() {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	defer d.onConnectionChanged()
+
+	d.managementState = true
+}
+
+// UpdateSignalAddress update the address of the signal server
+func (d *Status) UpdateSignalAddress(signalURL string) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.signalAddress = signalURL
+}
+
+// UpdateManagementAddress update the address of the management server
+func (d *Status) UpdateManagementAddress(mgmAddress string) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.mgmAddress = mgmAddress
+}
+
+// MarkSignalDisconnected sets SignalState to disconnected
+func (d *Status) MarkSignalDisconnected() {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	defer d.onConnectionChanged()
+
+	d.signalState = false
+}
+
+// MarkSignalConnected sets SignalState to connected
+func (d *Status) MarkSignalConnected() {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	defer d.onConnectionChanged()
+
+	d.signalState = true
+}
+
+// GetFullStatus gets full status
+func (d *Status) GetFullStatus() FullStatus {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	fullStatus := FullStatus{
+		ManagementState: ManagementState{
+			d.mgmAddress,
+			d.managementState,
+		},
+		SignalState: SignalState{
+			d.signalAddress,
+			d.signalState,
+		},
+		LocalPeerState: d.localPeer,
+	}
+
+	for _, status := range d.peers {
+		fullStatus.Peers = append(fullStatus.Peers, status)
+	}
+
+	fullStatus.Peers = append(fullStatus.Peers, d.offlinePeers...)
+
+	return fullStatus
+}
+
+// ClientStart will notify all listeners about the new service state
+func (d *Status) ClientStart() {
+	d.notifier.clientStart()
+}
+
+// ClientStop will notify all listeners about the new service state
+func (d *Status) ClientStop() {
+	d.notifier.clientStop()
+}
+
+// ClientTeardown will notify all listeners about the service is under teardown
+func (d *Status) ClientTeardown() {
+	d.notifier.clientTearDown()
+}
+
+// SetConnectionListener set a listener to the notifier
+func (d *Status) SetConnectionListener(listener Listener) {
+	d.notifier.setListener(listener)
+}
+
+// RemoveConnectionListener remove the listener from the notifier
+func (d *Status) RemoveConnectionListener() {
+	d.notifier.removeListener()
+}
+
+func (d *Status) onConnectionChanged() {
+	d.notifier.updateServerStates(d.managementState, d.signalState)
+}
+
+func (d *Status) notifyPeerListChanged() {
+	d.notifier.peerListChanged(len(d.peers))
+}
+
+func (d *Status) notifyAddressChanged() {
+	d.notifier.localAddressChanged(d.localPeer.FQDN, d.localPeer.IP)
+}

client/internal/peer/status_test.go

@@ -1,27 +1,233 @@
 package peer
 
 import (
-	"github.com/magiconair/properties/assert"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
-func TestConnStatus_String(t *testing.T) {
+func TestAddPeer(t *testing.T) {
+	key := "abc"
+	status := NewRecorder("https://mgm")
+	err := status.AddPeer(key)
+	assert.NoError(t, err, "shouldn't return error")
 
-	tables := []struct {
-		name   string
-		status ConnStatus
-		want   string
-	}{
-		{"StatusConnected", StatusConnected, "Connected"},
-		{"StatusDisconnected", StatusDisconnected, "Disconnected"},
-		{"StatusConnecting", StatusConnecting, "Connecting"},
+	_, exists := status.peers[key]
+	assert.True(t, exists, "value was found")
+
+	err = status.AddPeer(key)
+
+	assert.Error(t, err, "should return error on duplicate")
+}
+
+func TestGetPeer(t *testing.T) {
+	key := "abc"
+	status := NewRecorder("https://mgm")
+	err := status.AddPeer(key)
+	assert.NoError(t, err, "shouldn't return error")
+
+	peerStatus, err := status.GetPeer(key)
+	assert.NoError(t, err, "shouldn't return error on getting peer")
+
+	assert.Equal(t, key, peerStatus.PubKey, "retrieved public key should match")
+
+	_, err = status.GetPeer("non_existing_key")
+	assert.Error(t, err, "should return error when peer doesn't exist")
+}
+
+func TestUpdatePeerState(t *testing.T) {
+	key := "abc"
+	ip := "10.10.10.10"
+	status := NewRecorder("https://mgm")
+	peerState := State{
+		PubKey: key,
 	}
 
-	for _, table := range tables {
-		t.Run(table.name, func(t *testing.T) {
-			got := table.status.String()
-			assert.Equal(t, got, table.want, "they should be equal")
+	status.peers[key] = peerState
+
+	peerState.IP = ip
+
+	err := status.UpdatePeerState(peerState)
+	assert.NoError(t, err, "shouldn't return error")
+
+	state, exists := status.peers[key]
+	assert.True(t, exists, "state should be found")
+	assert.Equal(t, ip, state.IP, "ip should be equal")
+}
+
+func TestStatus_UpdatePeerFQDN(t *testing.T) {
+	key := "abc"
+	fqdn := "peer-a.netbird.local"
+	status := NewRecorder("https://mgm")
+	peerState := State{
+		PubKey: key,
+	}
+
+	status.peers[key] = peerState
+
+	err := status.UpdatePeerFQDN(key, fqdn)
+	assert.NoError(t, err, "shouldn't return error")
+
+	state, exists := status.peers[key]
+	assert.True(t, exists, "state should be found")
+	assert.Equal(t, fqdn, state.FQDN, "fqdn should be equal")
+}
+
+func TestGetPeerStateChangeNotifierLogic(t *testing.T) {
+	key := "abc"
+	ip := "10.10.10.10"
+	status := NewRecorder("https://mgm")
+	peerState := State{
+		PubKey: key,
+	}
+
+	status.peers[key] = peerState
+
+	ch := status.GetPeerStateChangeNotifier(key)
+	assert.NotNil(t, ch, "channel shouldn't be nil")
+
+	peerState.IP = ip
+
+	err := status.UpdatePeerState(peerState)
+	assert.NoError(t, err, "shouldn't return error")
+
+	select {
+	case <-ch:
+	default:
+		t.Errorf("channel wasn't closed after update")
+	}
+}
+
+func TestRemovePeer(t *testing.T) {
+	key := "abc"
+	status := NewRecorder("https://mgm")
+	peerState := State{
+		PubKey: key,
+	}
+
+	status.peers[key] = peerState
+
+	err := status.RemovePeer(key)
+	assert.NoError(t, err, "shouldn't return error")
+
+	_, exists := status.peers[key]
+	assert.False(t, exists, "state value shouldn't be found")
+
+	err = status.RemovePeer("not existing")
+	assert.Error(t, err, "should return error when peer doesn't exist")
+}
+
+func TestUpdateLocalPeerState(t *testing.T) {
+	localPeerState := LocalPeerState{
+		IP:              "10.10.10.10",
+		PubKey:          "abc",
+		KernelInterface: false,
+	}
+	status := NewRecorder("https://mgm")
+
+	status.UpdateLocalPeerState(localPeerState)
+
+	assert.Equal(t, localPeerState, status.localPeer, "local peer status should be equal")
+}
+
+func TestCleanLocalPeerState(t *testing.T) {
+	emptyLocalPeerState := LocalPeerState{}
+	localPeerState := LocalPeerState{
+		IP:              "10.10.10.10",
+		PubKey:          "abc",
+		KernelInterface: false,
+	}
+	status := NewRecorder("https://mgm")
+
+	status.localPeer = localPeerState
+
+	status.CleanLocalPeerState()
+
+	assert.Equal(t, emptyLocalPeerState, status.localPeer, "local peer status should be empty")
+}
+
+func TestUpdateSignalState(t *testing.T) {
+	url := "https://signal"
+	var tests = []struct {
+		name      string
+		connected bool
+		want      bool
+	}{
+		{"should mark as connected", true, true},
+		{"should mark as disconnected", false, false},
+	}
+
+	status := NewRecorder("https://mgm")
+	status.UpdateSignalAddress(url)
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if test.connected {
+				status.MarkSignalConnected()
+			} else {
+				status.MarkSignalDisconnected()
+			}
+			assert.Equal(t, test.want, status.signalState, "signal status should be equal")
 		})
 	}
-
+}
+
+func TestUpdateManagementState(t *testing.T) {
+	url := "https://management"
+	var tests = []struct {
+		name      string
+		connected bool
+		want      bool
+	}{
+		{"should mark as connected", true, true},
+		{"should mark as disconnected", false, false},
+	}
+
+	status := NewRecorder(url)
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if test.connected {
+				status.MarkManagementConnected()
+			} else {
+				status.MarkManagementDisconnected()
+			}
+			assert.Equal(t, test.want, status.managementState, "signalState status should be equal")
+		})
+	}
+}
+
+func TestGetFullStatus(t *testing.T) {
+	key1 := "abc"
+	key2 := "def"
+	signalAddr := "https://signal"
+	managementState := ManagementState{
+		URL:       "https://mgm",
+		Connected: true,
+	}
+	signalState := SignalState{
+		URL:       signalAddr,
+		Connected: true,
+	}
+	peerState1 := State{
+		PubKey: key1,
+	}
+
+	peerState2 := State{
+		PubKey: key2,
+	}
+
+	status := NewRecorder("https://mgm")
+	status.UpdateSignalAddress(signalAddr)
+
+	status.managementState = managementState.Connected
+	status.signalState = signalState.Connected
+	status.peers[key1] = peerState1
+	status.peers[key2] = peerState2
+
+	fullStatus := status.GetFullStatus()
+
+	assert.Equal(t, managementState, fullStatus.ManagementState, "management status should be equal")
+	assert.Equal(t, signalState, fullStatus.SignalState, "signal status should be equal")
+	assert.ElementsMatch(t, []State{peerState1, peerState2}, fullStatus.Peers, "peers states should match")
 }

client/internal/peer/stdnet.go

@@ -0,0 +1,11 @@
+//go:build !android
+
+package peer
+
+import (
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+)
+
+func (conn *Conn) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNet(conn.config.InterfaceBlackList)
+}

client/internal/peer/stdnet_android.go

@@ -0,0 +1,7 @@
+package peer
+
+import "github.com/netbirdio/netbird/client/internal/stdnet"
+
+func (conn *Conn) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNetWithDiscover(conn.iFaceDiscover, conn.config.InterfaceBlackList)
+}

client/internal/proxy/direct.go

@@ -0,0 +1,57 @@
+package proxy
+
+import (
+	log "github.com/sirupsen/logrus"
+	"net"
+)
+
+// DirectNoProxy is used when there is no need for a proxy between ICE and WireGuard.
+// This is possible in either of these cases:
+// - peers are in the same local network
+// - one of the peers has a public static IP (host)
+// DirectNoProxy will just update remote peer with a remote host and fixed WireGuard port (r.g. 51820).
+// In order DirectNoProxy to work, WireGuard port has to be fixed for the time being.
+type DirectNoProxy struct {
+	config Config
+	// RemoteWgListenPort is a WireGuard port of a remote peer.
+	// It is used instead of the hardcoded 51820 port.
+	RemoteWgListenPort int
+}
+
+// NewDirectNoProxy creates a new DirectNoProxy with a provided config and remote peer's WireGuard listen port
+func NewDirectNoProxy(config Config, remoteWgPort int) *DirectNoProxy {
+	return &DirectNoProxy{config: config, RemoteWgListenPort: remoteWgPort}
+}
+
+// Close removes peer from the WireGuard interface
+func (p *DirectNoProxy) Close() error {
+	err := p.config.WgInterface.RemovePeer(p.config.RemoteKey)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// Start just updates WireGuard peer with the remote IP and default WireGuard port
+func (p *DirectNoProxy) Start(remoteConn net.Conn) error {
+
+	log.Debugf("using DirectNoProxy while connecting to peer %s", p.config.RemoteKey)
+	addr, err := net.ResolveUDPAddr("udp", remoteConn.RemoteAddr().String())
+	if err != nil {
+		return err
+	}
+	addr.Port = p.RemoteWgListenPort
+	err = p.config.WgInterface.UpdatePeer(p.config.RemoteKey, p.config.AllowedIps, DefaultWgKeepAlive,
+		addr, p.config.PreSharedKey)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// Type returns the type of this proxy
+func (p *DirectNoProxy) Type() Type {
+	return TypeDirectNoProxy
+}

client/internal/proxy/noproxy.go

@@ -5,24 +5,18 @@ import (
 	"net"
 )
 
-// NoProxy is used when there is no need for a proxy between ICE and Wireguard.
-// This is possible in either of these cases:
-// - peers are in the same local network
-// - one of the peers has a public static IP (host)
-// NoProxy will just update remote peer with a remote host and fixed Wireguard port (r.g. 51820).
-// In order NoProxy to work, Wireguard port has to be fixed for the time being.
+// NoProxy is used just to configure WireGuard without any local proxy in between.
+// Used when the WireGuard interface is userspace and uses bind.ICEBind
 type NoProxy struct {
 	config Config
-	// RemoteWgListenPort is a WireGuard port of a remote peer.
-	// It is used instead of the hardcoded 51820 port.
-	RemoteWgListenPort int
 }
 
-// NewNoProxy creates a new NoProxy with a provided config and remote peer's WireGuard listen port
-func NewNoProxy(config Config, remoteWgPort int) *NoProxy {
-	return &NoProxy{config: config, RemoteWgListenPort: remoteWgPort}
+// NewNoProxy creates a new NoProxy with a provided config
+func NewNoProxy(config Config) *NoProxy {
+	return &NoProxy{config: config}
 }
 
+// Close removes peer from the WireGuard interface
 func (p *NoProxy) Close() error {
 	err := p.config.WgInterface.RemovePeer(p.config.RemoteKey)
 	if err != nil {
@@ -31,23 +25,16 @@ func (p *NoProxy) Close() error {
 	return nil
 }
 
-// Start just updates Wireguard peer with the remote IP and default Wireguard port
+// Start just updates WireGuard peer with the remote address
 func (p *NoProxy) Start(remoteConn net.Conn) error {
 
-	log.Debugf("using NoProxy while connecting to peer %s", p.config.RemoteKey)
+	log.Debugf("using NoProxy to connect to peer %s at %s", p.config.RemoteKey, remoteConn.RemoteAddr().String())
 	addr, err := net.ResolveUDPAddr("udp", remoteConn.RemoteAddr().String())
 	if err != nil {
 		return err
 	}
-	addr.Port = p.RemoteWgListenPort
-	err = p.config.WgInterface.UpdatePeer(p.config.RemoteKey, p.config.AllowedIps, DefaultWgKeepAlive,
+	return p.config.WgInterface.UpdatePeer(p.config.RemoteKey, p.config.AllowedIps, DefaultWgKeepAlive,
 		addr, p.config.PreSharedKey)
-
-	if err != nil {
-		return err
-	}
-
-	return nil
 }
 
 func (p *NoProxy) Type() Type {

client/internal/proxy/proxy.go

@@ -13,9 +13,10 @@ const DefaultWgKeepAlive = 25 * time.Second
 type Type string
 
 const (
-	TypeNoProxy   Type = "NoProxy"
-	TypeWireguard Type = "Wireguard"
-	TypeDummy     Type = "Dummy"
+	TypeDirectNoProxy Type = "DirectNoProxy"
+	TypeWireGuard     Type = "WireGuard"
+	TypeDummy         Type = "Dummy"
+	TypeNoProxy       Type = "NoProxy"
 )
 
 type Config struct {

client/internal/proxy/wireguard.go

@@ -6,8 +6,8 @@ import (
 	"net"
 )
 
-// WireguardProxy proxies
-type WireguardProxy struct {
+// WireGuardProxy proxies
+type WireGuardProxy struct {
 	ctx    context.Context
 	cancel context.CancelFunc
 
@@ -17,13 +17,13 @@ type WireguardProxy struct {
 	localConn  net.Conn
 }
 
-func NewWireguardProxy(config Config) *WireguardProxy {
-	p := &WireguardProxy{config: config}
+func NewWireGuardProxy(config Config) *WireGuardProxy {
+	p := &WireGuardProxy{config: config}
 	p.ctx, p.cancel = context.WithCancel(context.Background())
 	return p
 }
 
-func (p *WireguardProxy) updateEndpoint() error {
+func (p *WireGuardProxy) updateEndpoint() error {
 	udpAddr, err := net.ResolveUDPAddr(p.localConn.LocalAddr().Network(), p.localConn.LocalAddr().String())
 	if err != nil {
 		return err
@@ -38,7 +38,7 @@ func (p *WireguardProxy) updateEndpoint() error {
 	return nil
 }
 
-func (p *WireguardProxy) Start(remoteConn net.Conn) error {
+func (p *WireGuardProxy) Start(remoteConn net.Conn) error {
 	p.remoteConn = remoteConn
 
 	var err error
@@ -60,7 +60,7 @@ func (p *WireguardProxy) Start(remoteConn net.Conn) error {
 	return nil
 }
 
-func (p *WireguardProxy) Close() error {
+func (p *WireGuardProxy) Close() error {
 	p.cancel()
 	if c := p.localConn; c != nil {
 		err := p.localConn.Close()
@@ -77,7 +77,7 @@ func (p *WireguardProxy) Close() error {
 
 // proxyToRemote proxies everything from Wireguard to the RemoteKey peer
 // blocks
-func (p *WireguardProxy) proxyToRemote() {
+func (p *WireGuardProxy) proxyToRemote() {
 
 	buf := make([]byte, 1500)
 	for {
@@ -101,7 +101,7 @@ func (p *WireguardProxy) proxyToRemote() {
 
 // proxyToLocal proxies everything from the RemoteKey peer to local Wireguard
 // blocks
-func (p *WireguardProxy) proxyToLocal() {
+func (p *WireGuardProxy) proxyToLocal() {
 
 	buf := make([]byte, 1500)
 	for {
@@ -123,6 +123,6 @@ func (p *WireguardProxy) proxyToLocal() {
 	}
 }
 
-func (p *WireguardProxy) Type() Type {
-	return TypeWireguard
+func (p *WireGuardProxy) Type() Type {
+	return TypeWireGuard
 }

client/internal/routemanager/client.go

@@ -5,11 +5,11 @@ import (
 	"fmt"
 	"net/netip"
 
+	log "github.com/sirupsen/logrus"
+
 	"github.com/netbirdio/netbird/client/internal/peer"
-	"github.com/netbirdio/netbird/client/status"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/route"
-	log "github.com/sirupsen/logrus"
 )
 
 type routerPeerStatus struct {
@@ -26,7 +26,7 @@ type routesUpdate struct {
 type clientNetwork struct {
 	ctx                 context.Context
 	stop                context.CancelFunc
-	statusRecorder      *status.Status
+	statusRecorder      *peer.Status
 	wgInterface         *iface.WGIface
 	routes              map[string]*route.Route
 	routeUpdate         chan routesUpdate
@@ -37,7 +37,7 @@ type clientNetwork struct {
 	updateSerial        uint64
 }
 
-func newClientNetworkWatcher(ctx context.Context, wgInterface *iface.WGIface, statusRecorder *status.Status, network netip.Prefix) *clientNetwork {
+func newClientNetworkWatcher(ctx context.Context, wgInterface *iface.WGIface, statusRecorder *peer.Status, network netip.Prefix) *clientNetwork {
 	ctx, cancel := context.WithCancel(ctx)
 	client := &clientNetwork{
 		ctx:                 ctx,
@@ -62,7 +62,7 @@ func (c *clientNetwork) getRouterPeerStatuses() map[string]routerPeerStatus {
 			continue
 		}
 		routePeerStatuses[r.ID] = routerPeerStatus{
-			connected: peerStatus.ConnStatus == peer.StatusConnected.String(),
+			connected: peerStatus.ConnStatus == peer.StatusConnected,
 			relayed:   peerStatus.Relayed,
 			direct:    peerStatus.Direct,
 		}
@@ -123,7 +123,7 @@ func (c *clientNetwork) watchPeerStatusChanges(ctx context.Context, peerKey stri
 			return
 		case <-c.statusRecorder.GetPeerStateChangeNotifier(peerKey):
 			state, err := c.statusRecorder.GetPeer(peerKey)
-			if err != nil || state.ConnStatus == peer.StatusConnecting.String() {
+			if err != nil || state.ConnStatus == peer.StatusConnecting {
 				continue
 			}
 			peerStateUpdate <- struct{}{}
@@ -144,7 +144,7 @@ func (c *clientNetwork) startPeersStatusChangeWatcher() {
 
 func (c *clientNetwork) removeRouteFromWireguardPeer(peerKey string) error {
 	state, err := c.statusRecorder.GetPeer(peerKey)
-	if err != nil || state.ConnStatus != peer.StatusConnected.String() {
+	if err != nil || state.ConnStatus != peer.StatusConnected {
 		return nil
 	}
 
@@ -162,7 +162,7 @@ func (c *clientNetwork) removeRouteFromPeerAndSystem() error {
 		if err != nil {
 			return err
 		}
-		err = removeFromRouteTableIfNonSystem(c.network, c.wgInterface.GetAddress().IP.String())
+		err = removeFromRouteTableIfNonSystem(c.network, c.wgInterface.Address().IP.String())
 		if err != nil {
 			return fmt.Errorf("couldn't remove route %s from system, err: %v",
 				c.network, err)
@@ -201,10 +201,10 @@ func (c *clientNetwork) recalculateRouteAndUpdatePeerAndSystem() error {
 			return err
 		}
 	} else {
-		err = addToRouteTableIfNoExists(c.network, c.wgInterface.GetAddress().IP.String())
+		err = addToRouteTableIfNoExists(c.network, c.wgInterface.Address().IP.String())
 		if err != nil {
 			return fmt.Errorf("route %s couldn't be added for peer %s, err: %v",
-				c.network.String(), c.wgInterface.GetAddress().IP.String(), err)
+				c.network.String(), c.wgInterface.Address().IP.String(), err)
 		}
 	}
 

client/internal/routemanager/firewall_linux.go

@@ -1,12 +1,15 @@
+//go:build !android
+
 package routemanager
 
 import (
 	"context"
 	"fmt"
+
 	"github.com/coreos/go-iptables/iptables"
+	"github.com/google/nftables"
 	log "github.com/sirupsen/logrus"
 )
-import "github.com/google/nftables"
 
 const (
 	ipv6Forwarding     = "netbird-rt-ipv6-forwarding"

client/internal/routemanager/iptables_linux.go

@@ -1,14 +1,17 @@
+//go:build !android
+
 package routemanager
 
 import (
 	"context"
 	"fmt"
-	"github.com/coreos/go-iptables/iptables"
-	log "github.com/sirupsen/logrus"
 	"net/netip"
 	"os/exec"
 	"strings"
 	"sync"
+
+	"github.com/coreos/go-iptables/iptables"
+	log "github.com/sirupsen/logrus"
 )
 
 func isIptablesSupported() bool {

client/internal/routemanager/iptables_linux_test.go

@@ -1,10 +1,13 @@
+//go:build !android
+
 package routemanager
 
 import (
 	"context"
+	"testing"
+
 	"github.com/coreos/go-iptables/iptables"
 	"github.com/stretchr/testify/require"
-	"testing"
 )
 
 func TestIptablesManager_RestoreOrCreateContainers(t *testing.T) {

client/internal/routemanager/manager.go

@@ -2,15 +2,15 @@ package routemanager
 
 import (
 	"context"
-	"fmt"
 	"runtime"
 	"sync"
 
-	"github.com/netbirdio/netbird/client/status"
-	"github.com/netbirdio/netbird/client/system"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/route"
-	log "github.com/sirupsen/logrus"
+	"github.com/netbirdio/netbird/version"
 )
 
 // Manager is a route manager interface
@@ -25,26 +25,20 @@ type DefaultManager struct {
 	stop           context.CancelFunc
 	mux            sync.Mutex
 	clientNetworks map[string]*clientNetwork
-	serverRoutes   map[string]*route.Route
 	serverRouter   *serverRouter
-	statusRecorder *status.Status
+	statusRecorder *peer.Status
 	wgInterface    *iface.WGIface
 	pubKey         string
 }
 
 // NewManager returns a new route manager
-func NewManager(ctx context.Context, pubKey string, wgInterface *iface.WGIface, statusRecorder *status.Status) *DefaultManager {
+func NewManager(ctx context.Context, pubKey string, wgInterface *iface.WGIface, statusRecorder *peer.Status) *DefaultManager {
 	mCTX, cancel := context.WithCancel(ctx)
 	return &DefaultManager{
 		ctx:            mCTX,
 		stop:           cancel,
 		clientNetworks: make(map[string]*clientNetwork),
-		serverRoutes:   make(map[string]*route.Route),
-		serverRouter: &serverRouter{
-			routes:                   make(map[string]*route.Route),
-			netForwardHistoryEnabled: isNetForwardHistoryEnabled(),
-			firewall:                 NewFirewall(ctx),
-		},
+		serverRouter:   newServerRouter(ctx, wgInterface),
 		statusRecorder: statusRecorder,
 		wgInterface:    wgInterface,
 		pubKey:         pubKey,
@@ -54,86 +48,7 @@ func NewManager(ctx context.Context, pubKey string, wgInterface *iface.WGIface,
 // Stop stops the manager watchers and clean firewall rules
 func (m *DefaultManager) Stop() {
 	m.stop()
-	m.serverRouter.firewall.CleanRoutingRules()
-}
-
-func (m *DefaultManager) updateClientNetworks(updateSerial uint64, networks map[string][]*route.Route) {
-	// removing routes that do not exist as per the update from the Management service.
-	for id, client := range m.clientNetworks {
-		_, found := networks[id]
-		if !found {
-			log.Debugf("stopping client network watcher, %s", id)
-			client.stop()
-			delete(m.clientNetworks, id)
-		}
-	}
-
-	for id, routes := range networks {
-		clientNetworkWatcher, found := m.clientNetworks[id]
-		if !found {
-			clientNetworkWatcher = newClientNetworkWatcher(m.ctx, m.wgInterface, m.statusRecorder, routes[0].Network)
-			m.clientNetworks[id] = clientNetworkWatcher
-			go clientNetworkWatcher.peersStateAndUpdateWatcher()
-		}
-		update := routesUpdate{
-			updateSerial: updateSerial,
-			routes:       routes,
-		}
-
-		clientNetworkWatcher.sendUpdateToClientNetworkWatcher(update)
-	}
-}
-
-func (m *DefaultManager) updateServerRoutes(routesMap map[string]*route.Route) error {
-	serverRoutesToRemove := make([]string, 0)
-
-	if len(routesMap) > 0 {
-		err := m.serverRouter.firewall.RestoreOrCreateContainers()
-		if err != nil {
-			return fmt.Errorf("couldn't initialize firewall containers, got err: %v", err)
-		}
-	}
-
-	for routeID := range m.serverRoutes {
-		update, found := routesMap[routeID]
-		if !found || !update.IsEqual(m.serverRoutes[routeID]) {
-			serverRoutesToRemove = append(serverRoutesToRemove, routeID)
-			continue
-		}
-	}
-
-	for _, routeID := range serverRoutesToRemove {
-		oldRoute := m.serverRoutes[routeID]
-		err := m.removeFromServerNetwork(oldRoute)
-		if err != nil {
-			log.Errorf("unable to remove route id: %s, network %s, from server, got: %v",
-				oldRoute.ID, oldRoute.Network, err)
-		}
-		delete(m.serverRoutes, routeID)
-	}
-
-	for id, newRoute := range routesMap {
-		_, found := m.serverRoutes[id]
-		if found {
-			continue
-		}
-
-		err := m.addToServerNetwork(newRoute)
-		if err != nil {
-			log.Errorf("unable to add route %s from server, got: %v", newRoute.ID, err)
-			continue
-		}
-		m.serverRoutes[id] = newRoute
-	}
-
-	if len(m.serverRoutes) > 0 {
-		err := enableIPForwarding()
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
+	m.serverRouter.cleanUp()
 }
 
 // UpdateRoutes compares received routes with existing routes and remove, update or add them to the client and server maps
@@ -170,7 +85,7 @@ func (m *DefaultManager) UpdateRoutes(updateSerial uint64, newRoutes []*route.Ro
 				// we skip this route management
 				if newRoute.Network.Bits() < 7 {
 					log.Errorf("this agent version: %s, doesn't support default routes, received %s, skiping this route",
-						system.NetbirdVersion(), newRoute.Network)
+						version.NetbirdVersion(), newRoute.Network)
 					continue
 				}
 				newClientRoutesIDMap[networkID] = append(newClientRoutesIDMap[networkID], newRoute)
@@ -179,7 +94,7 @@ func (m *DefaultManager) UpdateRoutes(updateSerial uint64, newRoutes []*route.Ro
 
 		m.updateClientNetworks(updateSerial, newClientRoutesIDMap)
 
-		err := m.updateServerRoutes(newServerRoutesMap)
+		err := m.serverRouter.updateRoutes(newServerRoutesMap)
 		if err != nil {
 			return err
 		}
@@ -187,3 +102,29 @@ func (m *DefaultManager) UpdateRoutes(updateSerial uint64, newRoutes []*route.Ro
 		return nil
 	}
 }
+
+func (m *DefaultManager) updateClientNetworks(updateSerial uint64, networks map[string][]*route.Route) {
+	// removing routes that do not exist as per the update from the Management service.
+	for id, client := range m.clientNetworks {
+		_, found := networks[id]
+		if !found {
+			log.Debugf("stopping client network watcher, %s", id)
+			client.stop()
+			delete(m.clientNetworks, id)
+		}
+	}
+
+	for id, routes := range networks {
+		clientNetworkWatcher, found := m.clientNetworks[id]
+		if !found {
+			clientNetworkWatcher = newClientNetworkWatcher(m.ctx, m.wgInterface, m.statusRecorder, routes[0].Network)
+			m.clientNetworks[id] = clientNetworkWatcher
+			go clientNetworkWatcher.peersStateAndUpdateWatcher()
+		}
+		update := routesUpdate{
+			updateSerial: updateSerial,
+			routes:       routes,
+		}
+		clientNetworkWatcher.sendUpdateToClientNetworkWatcher(update)
+	}
+}

client/internal/routemanager/manager_test.go

@@ -3,14 +3,16 @@ package routemanager
 import (
 	"context"
 	"fmt"
+	"github.com/pion/transport/v2/stdnet"
 	"net/netip"
 	"runtime"
 	"testing"
 
-	"github.com/netbirdio/netbird/client/status"
+	"github.com/stretchr/testify/require"
+
+	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/route"
-	"github.com/stretchr/testify/require"
 )
 
 // send 5 routes, one for server and 4 for clients, one normal and 2 HA and one small
@@ -390,14 +392,19 @@ func TestManagerUpdateRoutes(t *testing.T) {
 
 	for n, testCase := range testCases {
 		t.Run(testCase.name, func(t *testing.T) {
-			wgInterface, err := iface.NewWGIFace(fmt.Sprintf("utun43%d", n), "100.65.65.2/24", iface.DefaultMTU)
+
+			newNet, err := stdnet.NewNet()
+			if err != nil {
+				t.Fatal(err)
+			}
+			wgInterface, err := iface.NewWGIFace(fmt.Sprintf("utun43%d", n), "100.65.65.2/24", iface.DefaultMTU, nil, nil, newNet)
 			require.NoError(t, err, "should create testing WGIface interface")
 			defer wgInterface.Close()
 
 			err = wgInterface.Create()
 			require.NoError(t, err, "should create testing wireguard interface")
 
-			statusRecorder := status.NewRecorder()
+			statusRecorder := peer.NewRecorder("https://mgm")
 			ctx := context.TODO()
 			routeManager := NewManager(ctx, localPeerKey, wgInterface, statusRecorder)
 			defer routeManager.Stop()
@@ -413,7 +420,7 @@ func TestManagerUpdateRoutes(t *testing.T) {
 			require.Len(t, routeManager.clientNetworks, testCase.clientNetworkWatchersExpected, "client networks size should match")
 
 			if testCase.shouldCheckServerRoutes {
-				require.Len(t, routeManager.serverRoutes, testCase.serverRoutesExpected, "server networks size should match")
+				require.Len(t, routeManager.serverRouter.routes, testCase.serverRoutesExpected, "server networks size should match")
 			}
 		})
 	}

client/internal/routemanager/nftables_linux.go

@@ -1,16 +1,19 @@
+//go:build !android
+
 package routemanager
 
 import (
 	"context"
 	"fmt"
-	"github.com/google/nftables/binaryutil"
-	"github.com/google/nftables/expr"
-	log "github.com/sirupsen/logrus"
 	"net"
 	"net/netip"
 	"sync"
+
+	"github.com/google/nftables"
+	"github.com/google/nftables/binaryutil"
+	"github.com/google/nftables/expr"
+	log "github.com/sirupsen/logrus"
 )
-import "github.com/google/nftables"
 
 const (
 	nftablesTable                  = "netbird-rt"

client/internal/routemanager/nftables_linux_test.go

@@ -1,12 +1,15 @@
+//go:build !android
+
 package routemanager
 
 import (
 	"context"
+	"testing"
+
 	"github.com/google/nftables"
 	"github.com/google/nftables/expr"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"testing"
 )
 
 func TestNftablesManager_RestoreOrCreateContainers(t *testing.T) {

client/internal/routemanager/router_pair.go

@@ -0,0 +1,24 @@
+package routemanager
+
+import (
+	"net/netip"
+
+	"github.com/netbirdio/netbird/route"
+)
+
+type routerPair struct {
+	ID          string
+	source      string
+	destination string
+	masquerade  bool
+}
+
+func routeToRouterPair(source string, route *route.Route) routerPair {
+	parsed := netip.MustParsePrefix(source).Masked()
+	return routerPair{
+		ID:          route.ID,
+		source:      parsed.String(),
+		destination: route.Network.Masked().String(),
+		masquerade:  route.Masquerade,
+	}
+}

client/internal/routemanager/server.go

@@ -1,67 +0,0 @@
-package routemanager
-
-import (
-	"github.com/netbirdio/netbird/route"
-	log "github.com/sirupsen/logrus"
-	"net/netip"
-	"sync"
-)
-
-type serverRouter struct {
-	routes map[string]*route.Route
-	// best effort to keep net forward configuration as it was
-	netForwardHistoryEnabled bool
-	mux                      sync.Mutex
-	firewall                 firewallManager
-}
-
-type routerPair struct {
-	ID          string
-	source      string
-	destination string
-	masquerade  bool
-}
-
-func routeToRouterPair(source string, route *route.Route) routerPair {
-	parsed := netip.MustParsePrefix(source).Masked()
-	return routerPair{
-		ID:          route.ID,
-		source:      parsed.String(),
-		destination: route.Network.Masked().String(),
-		masquerade:  route.Masquerade,
-	}
-}
-
-func (m *DefaultManager) removeFromServerNetwork(route *route.Route) error {
-	select {
-	case <-m.ctx.Done():
-		log.Infof("not removing from server network because context is done")
-		return m.ctx.Err()
-	default:
-		m.serverRouter.mux.Lock()
-		defer m.serverRouter.mux.Unlock()
-		err := m.serverRouter.firewall.RemoveRoutingRules(routeToRouterPair(m.wgInterface.Address.String(), route))
-		if err != nil {
-			return err
-		}
-		delete(m.serverRouter.routes, route.ID)
-		return nil
-	}
-}
-
-func (m *DefaultManager) addToServerNetwork(route *route.Route) error {
-	select {
-	case <-m.ctx.Done():
-		log.Infof("not adding to server network because context is done")
-		return m.ctx.Err()
-	default:
-		m.serverRouter.mux.Lock()
-		defer m.serverRouter.mux.Unlock()
-		err := m.serverRouter.firewall.InsertRoutingRules(routeToRouterPair(m.wgInterface.Address.String(), route))
-		if err != nil {
-			return err
-		}
-		m.serverRouter.routes[route.ID] = route
-		return nil
-	}
-}

client/internal/routemanager/server_android.go

@@ -0,0 +1,21 @@
+package routemanager
+
+import (
+	"context"
+
+	"github.com/netbirdio/netbird/iface"
+	"github.com/netbirdio/netbird/route"
+)
+
+type serverRouter struct {
+}
+
+func newServerRouter(ctx context.Context, wgInterface *iface.WGIface) *serverRouter {
+	return &serverRouter{}
+}
+
+func (r *serverRouter) updateRoutes(routesMap map[string]*route.Route) error {
+	return nil
+}
+
+func (r *serverRouter) cleanUp() {}

client/internal/routemanager/server_nonandroid.go

@@ -0,0 +1,120 @@
+//go:build !android
+
+package routemanager
+
+import (
+	"context"
+	"fmt"
+	"sync"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/iface"
+	"github.com/netbirdio/netbird/route"
+)
+
+type serverRouter struct {
+	mux         sync.Mutex
+	ctx         context.Context
+	routes      map[string]*route.Route
+	firewall    firewallManager
+	wgInterface *iface.WGIface
+}
+
+func newServerRouter(ctx context.Context, wgInterface *iface.WGIface) *serverRouter {
+	return &serverRouter{
+		ctx:         ctx,
+		routes:      make(map[string]*route.Route),
+		firewall:    NewFirewall(ctx),
+		wgInterface: wgInterface,
+	}
+}
+
+func (m *serverRouter) updateRoutes(routesMap map[string]*route.Route) error {
+	serverRoutesToRemove := make([]string, 0)
+
+	if len(routesMap) > 0 {
+		err := m.firewall.RestoreOrCreateContainers()
+		if err != nil {
+			return fmt.Errorf("couldn't initialize firewall containers, got err: %v", err)
+		}
+	}
+
+	for routeID := range m.routes {
+		update, found := routesMap[routeID]
+		if !found || !update.IsEqual(m.routes[routeID]) {
+			serverRoutesToRemove = append(serverRoutesToRemove, routeID)
+		}
+	}
+
+	for _, routeID := range serverRoutesToRemove {
+		oldRoute := m.routes[routeID]
+		err := m.removeFromServerNetwork(oldRoute)
+		if err != nil {
+			log.Errorf("unable to remove route id: %s, network %s, from server, got: %v",
+				oldRoute.ID, oldRoute.Network, err)
+		}
+		delete(m.routes, routeID)
+	}
+
+	for id, newRoute := range routesMap {
+		_, found := m.routes[id]
+		if found {
+			continue
+		}
+
+		err := m.addToServerNetwork(newRoute)
+		if err != nil {
+			log.Errorf("unable to add route %s from server, got: %v", newRoute.ID, err)
+			continue
+		}
+		m.routes[id] = newRoute
+	}
+
+	if len(m.routes) > 0 {
+		err := enableIPForwarding()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (m *serverRouter) removeFromServerNetwork(route *route.Route) error {
+	select {
+	case <-m.ctx.Done():
+		log.Infof("not removing from server network because context is done")
+		return m.ctx.Err()
+	default:
+		m.mux.Lock()
+		defer m.mux.Unlock()
+		err := m.firewall.RemoveRoutingRules(routeToRouterPair(m.wgInterface.Address().String(), route))
+		if err != nil {
+			return err
+		}
+		delete(m.routes, route.ID)
+		return nil
+	}
+}
+
+func (m *serverRouter) addToServerNetwork(route *route.Route) error {
+	select {
+	case <-m.ctx.Done():
+		log.Infof("not adding to server network because context is done")
+		return m.ctx.Err()
+	default:
+		m.mux.Lock()
+		defer m.mux.Unlock()
+		err := m.firewall.InsertRoutingRules(routeToRouterPair(m.wgInterface.Address().String(), route))
+		if err != nil {
+			return err
+		}
+		m.routes[route.ID] = route
+		return nil
+	}
+}
+
+func (m *serverRouter) cleanUp() {
+	m.firewall.CleanRoutingRules()
+}

client/internal/routemanager/systemops_android.go

@@ -0,0 +1,13 @@
+package routemanager
+
+import (
+	"net/netip"
+)
+
+func addToRouteTableIfNoExists(prefix netip.Prefix, addr string) error {
+	return nil
+}
+
+func removeFromRouteTableIfNonSystem(prefix netip.Prefix, addr string) error {
+	return nil
+}

client/internal/routemanager/systemops_linux.go

@@ -1,10 +1,13 @@
+//go:build !android
+
 package routemanager
 
 import (
-	"github.com/vishvananda/netlink"
 	"net"
 	"net/netip"
 	"os"
+
+	"github.com/vishvananda/netlink"
 )
 
 const ipv4ForwardingPath = "/proc/sys/net/ipv4/ip_forward"
@@ -62,12 +65,3 @@ func enableIPForwarding() error {
 	err := os.WriteFile(ipv4ForwardingPath, []byte("1"), 0644)
 	return err
 }
-
-func isNetForwardHistoryEnabled() bool {
-	out, err := os.ReadFile(ipv4ForwardingPath)
-	if err != nil {
-		// todo
-		panic(err)
-	}
-	return string(out) == "1"
-}

client/internal/routemanager/systemops_nonandroid.go

@@ -1,11 +1,14 @@
+//go:build !android
+
 package routemanager
 
 import (
 	"fmt"
-	"github.com/libp2p/go-netroute"
-	log "github.com/sirupsen/logrus"
 	"net"
 	"net/netip"
+
+	"github.com/libp2p/go-netroute"
+	log "github.com/sirupsen/logrus"
 )
 
 var errRouteNotFound = fmt.Errorf("route not found")

client/internal/routemanager/systemops_nonandroid_test.go

@@ -3,6 +3,7 @@ package routemanager
 import (
 	"fmt"
 	"github.com/netbirdio/netbird/iface"
+	"github.com/pion/transport/v2/stdnet"
 	"github.com/stretchr/testify/require"
 	"net"
 	"net/netip"
@@ -32,25 +33,29 @@ func TestAddRemoveRoutes(t *testing.T) {
 
 	for n, testCase := range testCases {
 		t.Run(testCase.name, func(t *testing.T) {
-			wgInterface, err := iface.NewWGIFace(fmt.Sprintf("utun53%d", n), "100.65.75.2/24", iface.DefaultMTU)
+			newNet, err := stdnet.NewNet()
+			if err != nil {
+				t.Fatal(err)
+			}
+			wgInterface, err := iface.NewWGIFace(fmt.Sprintf("utun53%d", n), "100.65.75.2/24", iface.DefaultMTU, nil, nil, newNet)
 			require.NoError(t, err, "should create testing WGIface interface")
 			defer wgInterface.Close()
 
 			err = wgInterface.Create()
 			require.NoError(t, err, "should create testing wireguard interface")
 
-			err = addToRouteTableIfNoExists(testCase.prefix, wgInterface.GetAddress().IP.String())
+			err = addToRouteTableIfNoExists(testCase.prefix, wgInterface.Address().IP.String())
 			require.NoError(t, err, "should not return err")
 
 			prefixGateway, err := getExistingRIBRouteGateway(testCase.prefix)
 			require.NoError(t, err, "should not return err")
 			if testCase.shouldRouteToWireguard {
-				require.Equal(t, wgInterface.GetAddress().IP.String(), prefixGateway.String(), "route should point to wireguard interface IP")
+				require.Equal(t, wgInterface.Address().IP.String(), prefixGateway.String(), "route should point to wireguard interface IP")
 			} else {
-				require.NotEqual(t, wgInterface.GetAddress().IP.String(), prefixGateway.String(), "route should point to a different interface")
+				require.NotEqual(t, wgInterface.Address().IP.String(), prefixGateway.String(), "route should point to a different interface")
 			}
 
-			err = removeFromRouteTableIfNonSystem(testCase.prefix, wgInterface.GetAddress().IP.String())
+			err = removeFromRouteTableIfNonSystem(testCase.prefix, wgInterface.Address().IP.String())
 			require.NoError(t, err, "should not return err")
 
 			prefixGateway, err = getExistingRIBRouteGateway(testCase.prefix)

client/internal/routemanager/systemops_nonlinux.go

@@ -4,10 +4,11 @@
 package routemanager
 
 import (
-	log "github.com/sirupsen/logrus"
 	"net/netip"
 	"os/exec"
 	"runtime"
+
+	log "github.com/sirupsen/logrus"
 )
 
 func addToRouteTable(prefix netip.Prefix, addr string) error {
@@ -34,8 +35,3 @@ func enableIPForwarding() error {
 	log.Infof("enable IP forwarding is not implemented on %s", runtime.GOOS)
 	return nil
 }
-
-func isNetForwardHistoryEnabled() bool {
-	log.Infof("check netforwad history is not implemented on %s", runtime.GOOS)
-	return false
-}

client/internal/stdnet/discover.go

@@ -0,0 +1,14 @@
+package stdnet
+
+import "github.com/pion/transport/v2"
+
+// ExternalIFaceDiscover provide an option for external services (mobile)
+// to collect network interface information
+type ExternalIFaceDiscover interface {
+	// IFaces return with the description of the interfaces
+	IFaces() (string, error)
+}
+
+type iFaceDiscover interface {
+	iFaces() ([]*transport.Interface, error)
+}

client/internal/stdnet/discover_mobile.go

@@ -0,0 +1,98 @@
+package stdnet
+
+import (
+	"fmt"
+	"net"
+	"strings"
+
+	"github.com/pion/transport/v2"
+	log "github.com/sirupsen/logrus"
+)
+
+type mobileIFaceDiscover struct {
+	externalDiscover ExternalIFaceDiscover
+}
+
+func newMobileIFaceDiscover(externalDiscover ExternalIFaceDiscover) *mobileIFaceDiscover {
+	return &mobileIFaceDiscover{
+		externalDiscover: externalDiscover,
+	}
+}
+
+func (m *mobileIFaceDiscover) iFaces() ([]*transport.Interface, error) {
+	ifacesString, err := m.externalDiscover.IFaces()
+	if err != nil {
+		return nil, err
+	}
+	interfaces := m.parseInterfacesString(ifacesString)
+	return interfaces, nil
+}
+
+func (m *mobileIFaceDiscover) parseInterfacesString(interfaces string) []*transport.Interface {
+	ifs := []*transport.Interface{}
+
+	for _, iface := range strings.Split(interfaces, "\n") {
+		if strings.TrimSpace(iface) == "" {
+			continue
+		}
+
+		fields := strings.Split(iface, "|")
+		if len(fields) != 2 {
+			log.Warnf("parseInterfacesString: unable to split %q", iface)
+			continue
+		}
+
+		var name string
+		var index, mtu int
+		var up, broadcast, loopback, pointToPoint, multicast bool
+		_, err := fmt.Sscanf(fields[0], "%s %d %d %t %t %t %t %t",
+			&name, &index, &mtu, &up, &broadcast, &loopback, &pointToPoint, &multicast)
+		if err != nil {
+			log.Warnf("parseInterfacesString: unable to parse %q: %v", iface, err)
+			continue
+		}
+
+		newIf := net.Interface{
+			Name:  name,
+			Index: index,
+			MTU:   mtu,
+		}
+		if up {
+			newIf.Flags |= net.FlagUp
+		}
+		if broadcast {
+			newIf.Flags |= net.FlagBroadcast
+		}
+		if loopback {
+			newIf.Flags |= net.FlagLoopback
+		}
+		if pointToPoint {
+			newIf.Flags |= net.FlagPointToPoint
+		}
+		if multicast {
+			newIf.Flags |= net.FlagMulticast
+		}
+
+		ifc := transport.NewInterface(newIf)
+
+		addrs := strings.Trim(fields[1], " \n")
+		foundAddress := false
+		for _, addr := range strings.Split(addrs, " ") {
+			if strings.Contains(addr, "%") {
+				continue
+			}
+			ip, ipNet, err := net.ParseCIDR(addr)
+			if err != nil {
+				log.Warnf("%s", err)
+				continue
+			}
+			ipNet.IP = ip
+			ifc.AddAddress(ipNet)
+			foundAddress = true
+		}
+		if foundAddress {
+			ifs = append(ifs, ifc)
+		}
+	}
+	return ifs
+}