What is the IPCop firewall?

http://www.ipcop.org/index.php

IPCop Firewall is a Linux firewall distribution geared towards home and SOHO (Small Office/Home Office) users. The IPCop interface is very user-friendly and task-based. IPCop offers the critical functionality of an expensive network appliance using stock, or even obsolete, hardware and OpenSource Software.

OLD PC + IPCOP = Secure Internet Appliance

IPCop lets you take an old PC and convert it into an appliance that will.

1. Secure your home network from the internet.
2. Improve the performance of web browsers (by keeping frequently used information)

All this functionality can be managed from a simple to use web interface, even updates and patches can be installed using a web browser.
Remember IPCop works with most home networks and small office networks, dial up modems, cable modems, ADSL, Leased lines and ISDN. It also lets several PCs share connections to the internet. If you have an always on connection to can even use IPCop to protect your web and email servers. IPCop also has remote management meaning you can securely update and reconfigure your IPCop firewall from anywhere with an internet connection!