ObsidianRook: Two-Faced: Setting Up a Simple Linux Firewall

“This is an overview of the things I think you need to know if
you’re going to try and set up a simple firewall using Linux on an
old PC (really it’s an excuse for me to whine about the hassles I
went through doing this, but I’ve got to get something out of
it).

“First of all, ask yourself why you’re doing this. You can buy a
simple off-the-shelf firewall/router gadget pretty cheap these
days, and I hear at least some of them have fairly easy-to-use
administration features (e.g. via a web browser). Saving money by
using that old PC you’ve got kicking around is unlikely. Acceptable
answers include ‘learning experience’ and ‘insanity…'”

Complete
Story