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Virtual private networks / Installing wireguard-kmod causes firewall to block Wireguard traffic

« on: June 06, 2022, 02:10:02 am »

When using wireguard-go, everything works fine. When I install wireguard-kmod and reboot OPNsense, the firewall log shows my VPN traffic is blocked by the default deny rule. Removing wireguard-kmod or disabling the firewall via shell command (pfctl -d) fixes it.

What on earth is going on?  Does the firewall hate better Wireguard performance?