On 09/08/2002, Amir Seyavash Mesry <[EMAIL PROTECTED]> wrote To [EMAIL PROTECTED]: > Ok I got another Q. > I know Cisco has this for it's routers, what I want to know is how would > I implement it on openbsd. > Here is what the rule does. > A packet goes out on if0 on port 22, which causes port 22 to open for > incoming traffic on if0 to the same ip it is now outgoing. > Or > A packet goes out on if1 on port 22, which causes port 22 to open for > incoming traffic to the same ip it is now outgoing on if0. > > Basically if you open port 22 for outgoing then it auto opens for > incoming.
If I dont get that completly wrong, you want to read about 'STATEFUL INSPECTION' in pf.conf(5)
