How to set up port forwarding

[Cirvam]

I'm trying to set up a policy on my gateway that will forward all types of traffic that are going to port 80 to and internal machine. How can I do that with ipchains?

[sig]<p> Erik<br><a href=mailto:cirvam@netzero.net>cirvam@netzero.net</a><br><a href= > </a><br>Looking to learn more about Linux, Apache, PHP and others.[/sig]