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feat(tailscale): restrict tag:dntls to SSH on Studio and MacBook - #27

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jmgilman merged 1 commit into
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feat/tailscale-dntls-ssh-only
Oct 26, 2026
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jmgilman merged 1 commit into
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feat/tailscale-dntls-ssh-only

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@jmgilman

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Summary

Follow-up to #26. dntls hosts only need native OpenSSH on Studio and the MacBook, not every port.

  • Split the dntls rule: tag:dntls → tag:dntls:* stays any-port; tag:dntls → studio-1, studio-1-v6, macbook-pro, macbook-pro-v6 is now TCP 22 only.
  • No Tailscale SSH rule: these are plain OpenSSH connections.
  • Admin-owned devices still reach dntls hosts through autogroup:admin → *:*.

Tests

The tag:dntls policy test now accepts port 22 on both Macs over both address families and denies VNC (5900) on them, alongside the existing denies (address adjacent to the MacBook, other tags, Incus API, routed lab/home hosts).

Validation

  • Sync tailnet policy (gitops-acl-action test) validates the policy and runs its tests against the tailnet.
  • Merge to master applies it.

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Review Status Commit Review trigger
📝 Code Review 🔄 Running since 2026-10-26T02:11:35.368481Z 552e1e4 PR opened
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@jmgilman
jmgilman merged commit 1f0ac0e into master Oct 26, 2026
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@jmgilman
jmgilman deleted the feat/tailscale-dntls-ssh-only branch October 26, 2026 02:14
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