I need to setup a firewall between our T1 router and network. <P>I do not know Linux.<P>I'll need to NIC's that work with Lunix, easily and well.<P>Our server room is far too small for its purpose.

Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW.

In this Recipe, I'll explain both the options for firewall protection and the differences between hardware and software implementations. By the end, you should be able to point a client to the ...