SquidGuard is a URL redirector used to use blacklists with the proxysoftware Squid. There are two big advantages to squidguard: it is fast and it is free.
Real Men Don't Click
Once upon a time, in spring 2000 to be exact, a merry band of system managers from the Department of Electrical Engineering at the Swiss Federal Institute of Technology set out on a mission, to apply their well tempered Unix knowledge to Windows 2000. Against all odds, they came back, mission accomplished (sort of) and were still able to tell their story.