How-To: Build your own network firewall {Engadget}

May 13th 2008 3:31PM If you want something a little more automated where you dont have to look for your driver module smoothwall makes a great firewall, but you do need a hard drive. i bought an old PIII off ebay for $30 shipping and with smoothwall added i now have a $3k firewall for $31 (pIII + $1 for burning the cd).