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feat: support bundle: automatically diagnose STUN issues in network support bundle #12165

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Closed
Tracked by #12160
johnstcn opened this issue Feb 15, 2024 · 3 comments · Fixed by #12951
Closed
Tracked by #12160

feat: support bundle: automatically diagnose STUN issues in network support bundle #12165

johnstcn opened this issue Feb 15, 2024 · 3 comments · Fixed by #12951
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johnstcn commented Feb 15, 2024 •
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Part of #12160

The support bundle includes a netcheck report.
We can potentially automatically diagnose STUN issues by checking the netcheck output:

  • Is there at least one configured STUN server,
  • Can we reach all configured STUN servers,
  • Does the address detected by STUN vary by STUN region (Hard NAT)
@johnstcn johnstcn mentioned this issue Feb 15, 2024
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@cdr-bot cdr-bot bot added the feature label Feb 15, 2024
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@spikecurtis @deansheather are there other things we should be looking for w.r.t. STUN programmatically?

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With respect to STUN, the main things to know are

a) whether we can reach the configured STUN servers (or, that there are no configured STUN servers)
b) whether the detected address varies by STUN region (Hard NAT)

DERP doesn't enter into STUN issues really at all.

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Notes for self: https://github.com/tailscale/tailscale/blob/main/ipn/localapi/debugderp.go has some stuff directly related to this

@johnstcn johnstcn mentioned this issue Apr 12, 2024
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feat(coderd/healthcheck): improve detection of STUN issues coder/coder
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