[PR #2195] [MERGED] Set EDNS0 when no extra options are set by the dns client #14790

New Issue

saavagebueno · 2026-08-05T03:06:19-04:00

saavagebueno commented

2026-08-05 03:06:19 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/2195
Author: @mlsmaycon
Created: 6/25/2024
Status: ✅ Merged
Merged: 6/25/2024
Merged by: @mlsmaycon

Base: main ← Head: fix/dns-response-on-large-records

📝 Commits (3)

938a304 Truncate DNS messages to the max 512 buffer size
e99c4e6 set the EDNS0 buffer size to 4096 bytes
704dc00 set EDNS0 only there is no extra options

📊 Changes

1 file changed (+4 additions, -0 deletions)

View changed files

📝 client/internal/dns/upstream.go (+4 -0)

📄 Description

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/2195 **Author:** [@mlsmaycon](https://github.com/mlsmaycon) **Created:** 6/25/2024 **Status:** ✅ Merged **Merged:** 6/25/2024 **Merged by:** [@mlsmaycon](https://github.com/mlsmaycon) **Base:** `main` ← **Head:** `fix/dns-response-on-large-records` --- ### 📝 Commits (3) - [`938a304`](https://github.com/netbirdio/netbird/commit/938a30456a41754002b55d442139c39a2c672310) Truncate DNS messages to the max 512 buffer size - [`e99c4e6`](https://github.com/netbirdio/netbird/commit/e99c4e6d24bcfa0c033200ce968cab8a7971ab42) set the EDNS0 buffer size to 4096 bytes - [`704dc00`](https://github.com/netbirdio/netbird/commit/704dc00314dd847015efb952108ba0daa61283a9) set EDNS0 only there is no extra options ### 📊 Changes **1 file changed** (+4 additions, -0 deletions) <details> <summary>View changed files</summary> 📝 `client/internal/dns/upstream.go` (+4 -0) </details> ### 📄 Description ## Describe your changes ## 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 03:06:19 -04:00

saavagebueno closed this issue

2026-08-05 03:06:19 -04:00

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Reference: DYNR/netbird#14790