how can i block msn live messenger or icq with this configurations in squid i have no success :( # MSN Messenger acl msn urlpath_regex -i gateway.dll acl msnd dstdomain messenger.msn.com gateway.messenger.hotmail.com acl msn1 req_mime_type application/x-msn-messenger http_access deny msnd http_access deny msn http_access deny msn1 # ICQ acl icq dstdomain .icq.com http_access deny icq i have no iptables and squid version 3.1.0.16 thanks to regard dave