How to block certain sites for Exception IP list users

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http://forums.fedoraforum.org – Dear All, I have FC-4 with Squid and Dansguardian. Internet Users in my organisation are configured to use proxy with 8080 in browser IE. There's no issue with Users as DG working perfect for them. We have Business Development Team, as they need to do most of the research over internet, their IP's are included into "Exception IP List" in Dansguardian. Obviously these people will be excepted from all banned sites, BD Team able to do chat, play games and do social networking and other stuff over the net, which results in more bandwidth consumption and breaking office policies. I have tried to implement SQUID ACL's to block few sites like " meebo.com, orkut.com,facebook.com etc" but SQUID acl's not coming into picture. Please let me know, any one who successfully blocked chat, banned sites and social networking in DG with my case. If so please help me out... or pls suggest me any alternative method, so that BD Team should be restricted without productivity hours compromised. Thanks in Advance. Naresh. (HowTos)