Help on iptables

Hi, folks: I have a new machine running Linux 2.4.20 set up as a bridge between an outside cable service and an internal home network. The outside NIC uses DHCP, and the inside network has a fixed IP address system. As things stand now, when I take down the firewall established by the default fi

ipchains and DHCP with kernel 2.4.20

We are using kernel 2.4.20. When we try to use ipchains it tells us it is not compatible with the kernel. Is this because we have left out a kernel option, or are ipchains no longer supported? Also, we are trying to use DHCP to connect to our cable modem. We can ping systems on our ISP's net, but