IPCOP

How to install a Linux Firewall?

IPCOP is the solution. (http://www.ipcop.org)

Steps:

1.- Download the latest release of ipcop. (CD installation) about 45MB
2.- Burn a cd with the downloaded image
3.- Find a old computer/server with 2, 3 or 4 Lan Cards (it depends if you need DMZ)
4.- Boot from cd, and follow the installation process.

It seems easy but to do you need to know network basics and the ranges of you lan, wan and dmz's if you have.

IPCOP have an addons to improve the firewall solution and add proxy solution and a lot of items.

Check http://www.ipcop.org and test it. It's Free and very easy.

Enjoy.