How to build your own gateway firewall

This article introduces how to build your own gateway firewall using FreeBSD and old computer parts. Cool, so I'd like to share it with everyone. The article outlines six steps:

* Find the parts you need:

» An old Pentium 3

» 256MB of PC100 RAM

» Two 100/10baseT(X) NICs (one on-board)

» 50GB IDE hard drive

» Generic IDE CD-ROM drive

» An old junker desktop ATX case

» 300W PSU (Power Supply Unit)

» Some Cat5/5e/6 Ethernet cable

* Ensure all the parts are compatible

* Assemble all the parts

* Install FreeBSD

* Configure the software

* Conclusion and how to get help