It depends on the kernel version. My assumption is that you would be using kernel 2.2, compiling kernel 2.4 might take a little while. If you need information on IPChains then go to either linux.org or linux.com to the howto area and look for IPChains howto. If by anychance you get kernel 2.4 on a 486 then go to netfilter.org there are some doco on IPTables.
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