[PR #5686] [client] Add IPv6 reverse DNS and host configurator support #26487

New Issue

saavagebueno · 2026-08-05T07:07:24-04:00

saavagebueno commented

2026-08-05 07:07:24 -04:00

Original Pull Request: https://github.com/netbirdio/netbird/pull/5686

State: closed
Merged: Yes

Describe your changes

Add IPv6 reverse DNS (PTR) support using RFC 3596 nibble format for ip6.arpa zones, alongside existing in-addr.arpa for v4
Fix DNS host configurators on Linux (systemd, NetworkManager) and iOS to handle IPv6 server addresses and socket binding
Add tests for PTR generation, reverse zone naming, and mixed v4/v6 record collection

Issue ticket number and link

Stack

#5631
- #5675
  - #5686 👈
    - #5687
      - #5688
        
        #5706
        
        #5707
        
        [GH-ISSUE #2631] DUPLICATE, please delete! Can't enable SSH access: "Running SSH server is not permitted" #2632 (#5708)

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)

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Documentation

Select exactly one:

I added/updated documentation for this change
Documentation is not needed for this change (explain why)

Docs PR URL (required if "docs added" is checked)

Paste the PR link from https://github.com/netbirdio/docs here:

https://github.com/netbirdio/docs/pull/667

**Original Pull Request:** https://github.com/netbirdio/netbird/pull/5686 **State:** closed **Merged:** Yes --- ## Describe your changes - Add IPv6 reverse DNS (PTR) support using RFC 3596 nibble format for `ip6.arpa` zones, alongside existing `in-addr.arpa` for v4 - Fix DNS host configurators on Linux (systemd, NetworkManager) and iOS to handle IPv6 server addresses and socket binding - Add tests for PTR generation, reverse zone naming, and mixed v4/v6 record collection ## Issue ticket number and link ## Stack - #5631 - #5675 - #5686 :point_left: - #5687 - #5688 - #5706 - #5707 - #5708 ### Checklist - [ ] Is it a bug fix - [ ] Is a typo/documentation fix - [x] Is a feature enhancement - [ ] It is a refactor - [x] Created tests that fail without the change (if possible) > By submitting this pull request, you confirm that you have read and agree to the terms of the [Contributor License Agreement](https://github.com/netbirdio/netbird/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT.md). ## Documentation Select exactly one: - [x] I added/updated documentation for this change - [ ] Documentation is **not needed** for this change (explain why) ### Docs PR URL (required if "docs added" is checked) Paste the PR link from https://github.com/netbirdio/docs here: https://github.com/netbirdio/docs/pull/667

saavagebueno added the pull-request label 2026-08-05 07:07:24 -04:00

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claude/agent-network-test-cases-p743vw

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Reference: DYNR/netbird#26487