On Tue, 2003-12-16 at 08:55, Chris Brown wrote: > Hi all, new to the list. I'm trying to get a bridging firewall setup on > a RH 9 box and I'm not having much luck. The bridge itself works fine > but when I try to add rules using netfilter they seem to be ignored and > packets I'm trying to block go on through. I've been digging through the > list archives, google, various forums and HOWTOs and I still haven't > found the answer so I'm hoping someone here can point out what I'm doing > wrong :) Did you patch the kernel to support this? The bridging code in the stock 2.4 kernels doesn't support firewalling,