IPFire is a Linux-based stateful firewall distro that’s built on top of Netfilter. It began as a fork of the IPCop project, but has since been rewritten based on Linux From Scratch. IPFire can be ...
Also, apparently many Linux distros install a lot of extra "fluff" porgrams, some of which can add vulnerabilities to a firewall as well. Most router distros are stripped down and only use time-tested ...
I've heard the question asked a lot in windows/networking forums, for an internet sharing application under windows to do banddith throttling for certain clients, the only one I've seen is Sygate's ...