[GH-ISSUE #4320] How to set Wireguard to a fixed Port via DOCKER ENV? #9103

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saavagebueno · 2026-08-05T01:20:50-04:00

saavagebueno commented

2026-08-05 01:20:50 -04:00

Originally created by @robertpenz on GitHub (Aug 11, 2025).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/4320

Running Netbird via Docker on a Mikrotik Router I need to set the WireGuard Port to a fixed value so the p2p traffic from other clients go directly to the container without a relay - as the perimeter firewall blocks it otherwise .

Via CLI its netbird up --wireguard-port 51821 but for DOCKER I can't find a ENV variable, I tried NB_WIREGUARD_PORT but that does not work.

The biggest problem is that the ports are random and not as in iface.go DefaultWgPort = 51820.

Originally created by @robertpenz on GitHub (Aug 11, 2025). Original GitHub issue: https://github.com/netbirdio/netbird/issues/4320 Running Netbird via Docker on a Mikrotik Router I need to set the WireGuard Port to a fixed value so the p2p traffic from other clients go directly to the container without a relay - as the perimeter firewall blocks it otherwise . Via CLI its netbird up --wireguard-port 51821 but for DOCKER I can't find a ENV variable, I tried NB_WIREGUARD_PORT but that does not work. The biggest problem is that the ports are random and not as in iface.go DefaultWgPort = 51820.

saavagebueno added the triage-needed label 2026-08-05 01:20:50 -04:00

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Reference: DYNR/netbird#9103