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Mark peers as "relay only" to avoid unnecessary UDP traffic #2423

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opened 2025-11-20 07:09:35 -05:00 by saavagebueno · 1 comment
saavagebueno commented 2025-11-20 07:09:35 -05:00
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Originally created by @Silex on GitHub (Oct 29, 2025).

Hello,

We have netbird behind corporate firewalls and for about 30% of peers P2P will never work without opening UDP ports, which won't happen.

Is there a way to make it so netbird knows some peers are not reachable directly and thus all the other peers stop trying to relentlessly connect to it?

Maybe at the signal service level? Maybe at the client level when it lists it's interfaces? Maybe by firewalling at the right place?

Basically if other peers receive an empty list for this unreachable peer they won't try to connect to it, and just use the relay.

Originally created by @Silex on GitHub (Oct 29, 2025). Hello, We have netbird behind corporate firewalls and for about 30% of peers P2P will never work without opening UDP ports, which won't happen. Is there a way to make it so netbird knows some peers are not reachable directly and thus all the other peers stop trying to relentlessly connect to it? Maybe at the signal service level? Maybe at the client level when it lists it's interfaces? Maybe by firewalling at the right place? Basically if other peers receive an empty list for this unreachable peer they won't try to connect to it, and just use the relay.
saavagebueno added the feature-request label 2025-11-20 07:09:35 -05:00
saavagebueno commented 2025-11-20 07:09:35 -05:00
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@1nerdyguy commented on GitHub (Nov 4, 2025):

+1 for this. I like this a lot to slow down that traffic.

@1nerdyguy commented on GitHub (Nov 4, 2025): +1 for this. I like this a lot to slow down that traffic.
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Reference: SVI/netbird#2423
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