You need to get the newer kernel version at http://www.kernel.org ..The more recently kernel version is 2.4.31 to iptables and 2.2.26 to ipchains.
Iptables in my opinion is the most interesting... Adam Garside wrote:
On Fri, Jun 03, 2005 at 04:31:30PM +0200, justme wrote:But I still have the Kernel 2.2.20-idepciThat's the 2.2 installer kernel. It doesn't have ipchains support. install a real 2.2.20 kernel (apt-get install kernel-image and pick) or a real 2.4.18 image (if you want iptables instead of ipchains.) -- asg