Hello!
Yes, You can with ng_tcpmss
> Greetings,
>
> Is there a way to adjust MSS just like in cisco's "ip tcp adjust-mss"?
> I want to play only with MSS not with MTU.
> So far the only solution that I found is pf+scrub, but I wander if it
> is possible to do it without
> firewall.
>
Regards,
Boris