I am not wrapping my head around this at all... I have a router with fastethernet0/0 ip 192.12.20.1/24.
fastethernet0/1 is linked directly to the internet via dhcp, I can surf no problem.
The only ports I need open are 53, 80, 20, 21, 443 and 25.
I've tried this via host, via subnet, whatever...