Tornado wrote in Article <000a01c766e3$f58e46e0$963da8c0@xxxxxxxxxxxxxxxxx> posted to gmane.comp.web.squid.general: > We are using to Squid and Squidguard to restrict unwanted sites. Squid is > integrated with AD and is working fine. But the problem we are facing is > with Google talk. Is there any way to block Google Talk in Squid via its > client. I am successfull in blocking talk.google.com from SquidGuard but > somehow i can still login to Google talk from its client when i give proxy > authetication in its properties. Squid won't help you here. You need to read up about XMPP (the Jabber protocol) and start blocking ports at your edge router if you want to effectively block Jabber.