Filtering Packets with iptables
This documentation will deal with the basics of getting iptables up and running.
Discover How To Secure My Firewall HOWTOs
Building a Bridging Firewall with Linux
This documentation discusses how one can use the Linux kernels v2.2 and higher to setup Ethernet bridging and also explains the steps necessary to get a bridging firewall up and running. In a bridge, all packets received by one interface are passed t
Build a Floppy Firewall
This documentation will teach you how to turn an unused PC into a packet-filtering firewall using a package called floppyfw. The firewall boots off a single floppy, runs completely in RAM, and uses ipchains for the filter rules. It also does IP masqu
