dear friends, i have deployed squid version 2.5 for windows on windows server 2003 SP2 R2 edition. i m using IP based filtering. is there possibility in windows squid to block Ads & extensions like exe rar etc & shockwave or flash files. also can windows squid be configured for MAC based filtering. thnx bye Add more friends to your messenger and enjoy! Go to http://messenger.yahoo.com/invite/