IP Masqurade Linux 2.4kernel RH7.2

[tamago]

Any godly Linux Users on working a Linux router/firewall? Looking for simple steps to setup my machine as a Linux Router like how when I use Win2k w/ICS Slightly different as Linux uses Iptables/ipchains Still pumping information down my widdle shell while on the side studying for my A+ Core/OS exams

Show me steps in 1-2-3 and BANG DONE! *looks down at dead person oops..... puts pistol away*