Yet another yes from me, used within our school, and works perfectly for 900+ students and 200+ staff. Easy to configure, documented well and there are plenty of resources on a google search to get you going perfectly. Alex -----Original Message----- From: Marcus Kool [mailto:marcus.kool@xxxxxxxxxxxxxxx] Sent: 10 November 2008 09:18 To: a bv Cc: squid-users@xxxxxxxxxxxxxxx Subject: Re: URL Filtering for Squid I am the author of ufdbGuard which is based on squidGuard. ufdbGuard is free and can be used with both free and commercial databases. -Marcus a bv wrote: > Hi, > > What is /are the popular /commanly used open source (and maybe also > the other free ones) URL/content filtering solution/software. And who > are maintaining url databases? > > Regards > >