> This morning I rebooted one of our firewalls, I have created a new kernel for > it (2.4.20, patched kernel with latest p-o-m ng). > When I run my firewall script, all I get is errors, seems to be a problem with > iptables 'tables' as none of the rules are create but the default policies > are in place, in dmesg I have the following error: > > ip_tables: table screwed up! > > This firewall is a production server and I can only really take it down > tonight to check it, anyone had something like this before? > > Paulo sounds to me like you applied p-o-m, rebuilt your kernel, but did not rebuild your userspace. anytime you apply a patch from pom that changes structures, or requires additional libraries, you need to recompile your userspace iptables utilities. since it's unclear to me when the userspace rebuild is required--i do it everytime. sounds like it was in this case for you... -j