[PR #1774] [MERGED] Linux legacy routing #15820

New Issue

saavagebueno · 2026-08-05T03:08:28-04:00

saavagebueno commented

2026-08-05 03:08:28 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/1774
Author: @lixmal
Created: 3/30/2024
Status: ✅ Merged
Merged: 4/3/2024
Merged by: @lixmal

Base: main ← Head: linux-legacy-routing

📝 Commits (7)

fc124c8 Add Linux legacy routing if ip rule functionality is not available
07c747e Ignore exclusion route errors if host has no route
521e57d Exclude iOS from route manager
a7b517e Also retrieve IPv6 routes
97551a1 Ignore loopback addresses not being in the main table
1e32dc1 Ignore "not supported" errors on cleanup
9773028 Fix regression in ListenUDP not using fwmarks

📊 Changes

9 files changed (+655 additions, -568 deletions)

View changed files

📝 client/internal/routemanager/routemanager.go (+5 -1)
➕ client/internal/routemanager/systemops.go (+410 -0)
📝 client/internal/routemanager/systemops_linux.go (+106 -32)
📝 client/internal/routemanager/systemops_linux_test.go (+0 -2)
📝 client/internal/routemanager/systemops_nonlinux.go (+2 -395)
📝 client/internal/routemanager/systemops_test.go (+119 -33)
➖ client/internal/routemanager/sytemops_test.go (+0 -101)
📝 util/net/dialer.go (+1 -1)
📝 util/net/listener_generic.go (+12 -3)

📄 Description

This PR adds classic route handling on Linux if policy based routing is not available

Issue ticket number and link

Checklist

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

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/netbirdio/netbird/pull/1774 **Author:** [@lixmal](https://github.com/lixmal) **Created:** 3/30/2024 **Status:** ✅ Merged **Merged:** 4/3/2024 **Merged by:** [@lixmal](https://github.com/lixmal) **Base:** `main` ← **Head:** `linux-legacy-routing` --- ### 📝 Commits (7) - [`fc124c8`](https://github.com/netbirdio/netbird/commit/fc124c8b8cef3e6f8c558db9d8cbf4c3ac13f2df) Add Linux legacy routing if ip rule functionality is not available - [`07c747e`](https://github.com/netbirdio/netbird/commit/07c747e8574e235d8d788fe3770f12538c943d27) Ignore exclusion route errors if host has no route - [`521e57d`](https://github.com/netbirdio/netbird/commit/521e57db39dbb5b98d2fce78c40f8a0060f12a43) Exclude iOS from route manager - [`a7b517e`](https://github.com/netbirdio/netbird/commit/a7b517e2c5f3292f4086be1135c66a961169298b) Also retrieve IPv6 routes - [`97551a1`](https://github.com/netbirdio/netbird/commit/97551a15cabf92e70fa2dc856f17578167a4360a) Ignore loopback addresses not being in the main table - [`1e32dc1`](https://github.com/netbirdio/netbird/commit/1e32dc159e021ecabc1ffcbcf49cff015d99d263) Ignore "not supported" errors on cleanup - [`9773028`](https://github.com/netbirdio/netbird/commit/9773028f8645e16c5f9acad68481319a6dec53ce) Fix regression in ListenUDP not using fwmarks ### 📊 Changes **9 files changed** (+655 additions, -568 deletions) <details> <summary>View changed files</summary> 📝 `client/internal/routemanager/routemanager.go` (+5 -1) ➕ `client/internal/routemanager/systemops.go` (+410 -0) 📝 `client/internal/routemanager/systemops_linux.go` (+106 -32) 📝 `client/internal/routemanager/systemops_linux_test.go` (+0 -2) 📝 `client/internal/routemanager/systemops_nonlinux.go` (+2 -395) 📝 `client/internal/routemanager/systemops_test.go` (+119 -33) ➖ `client/internal/routemanager/sytemops_test.go` (+0 -101) 📝 `util/net/dialer.go` (+1 -1) 📝 `util/net/listener_generic.go` (+12 -3) </details> ### 📄 Description This PR adds classic route handling on Linux if policy based routing is not available ## Issue ticket number and link ### Checklist - [x] 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 --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

saavagebueno added the pull-request label 2026-08-05 03:08:28 -04:00

saavagebueno closed this issue

2026-08-05 03:08:28 -04:00

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Reference: DYNR/netbird#15820