[PR #1510] [MERGED] Extract peer real IP from Load Balancer when possible #15489

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saavagebueno · 2026-08-05T03:07:47-04:00

saavagebueno commented

2026-08-05 03:07:47 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/1510
Author: @surik
Created: 1/30/2024
Status: ✅ Merged
Merged: 1/31/2024
Merged by: @surik

Base: main ← Head: yury/realip

📝 Commits (7)

bcf87fb Extract peer real IP from Load Balancer when possible
246d70c Address review comment
41b31dc Simplify getRealIP function
f42af6c Use realip middleware
6671f06 Make trusted proxies configurable
35d734a Specify default trusted ip 127.0.0.1/32 when nothing provided
974efa7 Use 0.0.0.0/0 as default

📊 Changes

5 files changed (+39 additions, -14 deletions)

View changed files

📝 go.mod (+2 -1)
📝 go.sum (+4 -1)
📝 management/cmd/management.go (+17 -1)
📝 management/server/config.go (+3 -0)
📝 management/server/grpcserver.go (+13 -11)

📄 Description

Otherwise, get it from the GRPC peer address.

This PR extends management config with a new TrustedHTTPProxies option that accepts a list of network prefixes ex: "192.168.1.1/32", "10.0.0.0/16" that is used for evaluation of client real ip according to https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For#selecting_an_ip_address

Describe your changes

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/1510 **Author:** [@surik](https://github.com/surik) **Created:** 1/30/2024 **Status:** ✅ Merged **Merged:** 1/31/2024 **Merged by:** [@surik](https://github.com/surik) **Base:** `main` ← **Head:** `yury/realip` --- ### 📝 Commits (7) - [`bcf87fb`](https://github.com/netbirdio/netbird/commit/bcf87fb1647907cc856189b017a5f8501a8f30cd) Extract peer real IP from Load Balancer when possible - [`246d70c`](https://github.com/netbirdio/netbird/commit/246d70c019488180992dc167002a12dd23e5fcc3) Address review comment - [`41b31dc`](https://github.com/netbirdio/netbird/commit/41b31dc8c5df23a8c257954e025ea0a52ca6948f) Simplify getRealIP function - [`f42af6c`](https://github.com/netbirdio/netbird/commit/f42af6ca3bbf734fa94bc0660678e934d589dac3) Use realip middleware - [`6671f06`](https://github.com/netbirdio/netbird/commit/6671f065938a8d165ee415fe5eb9a14973dcb171) Make trusted proxies configurable - [`35d734a`](https://github.com/netbirdio/netbird/commit/35d734ad89cec72160832457a72dc6b79325683d) Specify default trusted ip 127.0.0.1/32 when nothing provided - [`974efa7`](https://github.com/netbirdio/netbird/commit/974efa7c9c87d7733951e34ed4b7aaccc4872fc5) Use 0.0.0.0/0 as default ### 📊 Changes **5 files changed** (+39 additions, -14 deletions) <details> <summary>View changed files</summary> 📝 `go.mod` (+2 -1) 📝 `go.sum` (+4 -1) 📝 `management/cmd/management.go` (+17 -1) 📝 `management/server/config.go` (+3 -0) 📝 `management/server/grpcserver.go` (+13 -11) </details> ### 📄 Description Otherwise, get it from the GRPC peer address. This PR extends management config with a new `TrustedHTTPProxies` option that accepts a list of network prefixes ex: `"192.168.1.1/32", "10.0.0.0/16"` that is used for evaluation of client real ip according to https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For#selecting_an_ip_address ## Describe your changes ## Issue ticket number and link ### Checklist - [ ] Is it a bug fix - [ ] Is a typo/documentation fix - [x] 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 03:07:47 -04:00

saavagebueno closed this issue

2026-08-05 03:07:47 -04:00

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Reference: DYNR/netbird#15489