[PR #3447] [MERGED] Track icmp with id only #17527

New Issue

saavagebueno · 2026-08-05T04:07:25-04:00

saavagebueno commented

2026-08-05 04:07:25 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/3447
Author: @lixmal
Created: 3/5/2025
Status: ✅ Merged
Merged: 3/6/2025
Merged by: @lixmal

Base: feature/flow ← Head: simplify-icmp-tracking

📝 Commits (1)

3bdb1eb Track icmp with id only

📊 Changes

3 files changed (+24 additions, -29 deletions)

View changed files

📝 client/firewall/uspfilter/conntrack/icmp.go (+19 -23)
📝 client/firewall/uspfilter/conntrack/icmp_test.go (+3 -3)
📝 client/firewall/uspfilter/uspfilter.go (+2 -3)

📄 Description

Describe your changes

This tracks ICMP echo/reply with ID only. This will make multiple consequent pings part of the same icmp session, aligned with how linux conntrack does it.

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/3447 **Author:** [@lixmal](https://github.com/lixmal) **Created:** 3/5/2025 **Status:** ✅ Merged **Merged:** 3/6/2025 **Merged by:** [@lixmal](https://github.com/lixmal) **Base:** `feature/flow` ← **Head:** `simplify-icmp-tracking` --- ### 📝 Commits (1) - [`3bdb1eb`](https://github.com/netbirdio/netbird/commit/3bdb1eb7cc55aeac738ca9b3ffe98a84b34db620) Track icmp with id only ### 📊 Changes **3 files changed** (+24 additions, -29 deletions) <details> <summary>View changed files</summary> 📝 `client/firewall/uspfilter/conntrack/icmp.go` (+19 -23) 📝 `client/firewall/uspfilter/conntrack/icmp_test.go` (+3 -3) 📝 `client/firewall/uspfilter/uspfilter.go` (+2 -3) </details> ### 📄 Description ## Describe your changes This tracks ICMP echo/reply with ID only. This will make multiple consequent pings part of the same icmp session, aligned with how linux conntrack does it. ## 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 04:07:25 -04:00

saavagebueno closed this issue

2026-08-05 04:07:26 -04:00

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Reference: DYNR/netbird#17527