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Extra Records configuration changed in alpha5 to require subnet? #675

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opened 2025-12-29 02:21:53 +01:00 by adam · 2 comments
adam commented 2025-12-29 02:21:53 +01:00
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Originally created by @Nickiel12 on GitHub (Mar 19, 2024).

Bug description

I had been having issues with the latest stable, so I've been running on the alpha versions. I updated from alpha4 to alpha5, and I started getting this error:
cmd/headscale/cli/root.go:54 > Failed to get headscale configuration error="netip.ParsePrefix(\"\"): no '/'"

I researched on the discord, and found this was related to changes made to ACL and ipv6. So I added a subnet mask to my DNS record:

dns_config:
    domains:
    extra_records:
    - name: git.nickiel.net
      type: A
      value: 100.64.0.1/31

And it builds and runs, but none of the added DNS records are resolving on any of my tailscale devices.

Environment

  • Headscale v0.23.0-alpha5

  • Several, but my main testing rig was running tailscale 1.62.0

  • NixOS 24.05 unstable

  • 6.1.77

  • [X ] Headscale is behind a (reverse) proxy, but I have not had any issues with it before upgrading to alpha5

To Reproduce

Use an existing configuration that adds extra records from alpha4 or earlier, then try the same configuration on alpha5, and the ip value will cause an error if a subnet mask is not defined.

I'm not entirely sure if it is intended behavior for DNS records to require a subnet mask now, or if it was a bug caused by the new IP validation, so I figured I would open a ticket about it.

Originally created by @Nickiel12 on GitHub (Mar 19, 2024). ## Bug description I had been having issues with the latest stable, so I've been running on the alpha versions. I updated from alpha4 to alpha5, and I started getting this error: `cmd/headscale/cli/root.go:54 > Failed to get headscale configuration error="netip.ParsePrefix(\"\"): no '/'"` I researched on the discord, and found this was related to changes made to ACL and ipv6. So I added a subnet mask to my DNS record: ```yaml dns_config: domains: extra_records: - name: git.nickiel.net type: A value: 100.64.0.1/31 ``` And it builds and runs, but none of the added DNS records are resolving on any of my tailscale devices. ## Environment - Headscale v0.23.0-alpha5 - Several, but my main testing rig was running tailscale 1.62.0 - NixOS 24.05 unstable - 6.1.77 - [X ] Headscale is behind a (reverse) proxy, but I have not had any issues with it before upgrading to alpha5 ## To Reproduce Use an existing configuration that adds extra records from alpha4 or earlier, then try the same configuration on alpha5, and the ip `value` will cause an error if a subnet mask is not defined. I'm not entirely sure if it is intended behavior for DNS records to require a subnet mask now, or if it was a bug caused by the new IP validation, so I figured I would open a ticket about it.
adam added the bug label 2025-12-29 02:21:53 +01:00
adam closed this issue 2025-12-29 02:21:53 +01:00
adam commented 2025-12-29 02:21:54 +01:00
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@ohdearaugustin commented on GitHub (May 18, 2024):

Please test with the newest version again.

@ohdearaugustin commented on GitHub (May 18, 2024): Please test with the newest version again.
adam commented 2025-12-29 02:21:54 +01:00
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@Nickiel12 commented on GitHub (May 18, 2024):

It does not give that error anymore when excluding subnet masks from DNS entries. Thank you!

@Nickiel12 commented on GitHub (May 18, 2024): It does not give that error anymore when excluding subnet masks from DNS entries. Thank you!
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Reference: starred/headscale#675
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