Date: Fri, 06 Apr 2001 00:57:54 -0600 From: Wes Peters <wes@softweyr.com> To: Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca> Cc: Olivier Nicole <on@cs.ait.ac.th>, uknowho@n0mansland.net, freebsd-security@FreeBSD.ORG Subject: Re: Filtering inappropriate content Message-ID: <3ACD68F2.E0604EF1@softweyr.com> References: <200103280604.f2S648R14405@cwsys.cwsent.com>
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Cy Schubert - ITSD Open Systems Group wrote: > > In message <200103280405.LAA16283@banyan.cs.ait.ac.th>, Olivier Nicole > writes: > > >The organization is looking to filter web content only. Apolgies for > > >the confusion. > > > > Squid has some rules to do contents filtering I guess. > > I tried it. Squid is not all that effective. For example, matching > expressions can be found in perfectly legitimate URL's, e.g. a sun.com > web page has the character string "sex" in it (I think it was a Virtual > Adrien component called RICHPsex), so my filter blocked it. I'm sure > that operators of web sites that you want to block could name their > files and directories with non-offending names, bypassing your filter. > A squid filter may not have the desired effect. > > The only solution I can think of that works is to subscribe to a > service that maintains a database of offending sites. Real-time analysis is much more effective. Visit the RuleSpace site for information on a commercial SDK that can do this on FreeBSD. http://www.rulespace.com/contexion/products/eatk/ -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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