Unable to serve TCP connections over wireguard interface on FreeBSD 13.0-RC2

Jason A. Donenfeld Jason at zx2c4.com
Fri Mar 19 16:15:39 UTC 2021


Hi Ashish,

On Fri, Mar 19, 2021 at 8:06 AM Ashish <ashish.is at lostca.se> wrote:
> I'm running if_wg kernel module (git revision: 5ef4d3efa691e71) on
> FreeBSD 13.0-RC2.
>
> With 172.18.10.1 being my local host's wireguard interface's IP address,
> I can receive SYN packets, but it does not seem to send any
> corresponding SYN/ACK.

Huh, that's curious. I'll look into it and play around. One
peculiarity I noticed in this thing is that it calls the ip_input
function directly, which other drivers don't seem to do.

Regards,
Jason


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