Hello Since msn launch 7.x messenger version my acl that blocks msn request dont work, but is still work for older version of mns messenger I have this in my squid.conf: acl messenger req_mime_type -i ^application/x-msn-messenger$ acl http_access deny messenger And that is a tail of my access.log: 1122374581.199 933 192.168.10.83 TCP_MISS/200 374 POST http://207.46.3.12/gateway/gateway.dll? - DIRECT/207.46.3.12 application/x-msn-messenger 1122374582.028 829 192.168.10.83 TCP_MISS/200 373 POST http://207.46.3.5/gateway/gateway.dll? - DIRECT/207.46.3.5 application/x-msn-messenger 1122374586.203 1174 192.168.10.83 TCP_MISS/200 390 POST http://207.46.3.12/gateway/gateway.dll? - DIRECT/207.46.3.12 application/x-msn-messenger 1122374602.025 784 192.168.10.83 TCP_MISS/200 373 POST http://207.46.3.5/gateway/gateway.dll? - DIRECT/207.46.3.5 application/x-msn-messenger 1122374605.102 703 192.168.10.83 TCP_MISS/200 2735 GET http://pagead2.googlesyndication.com/pagead/ads? - DIRECT/64.233.187.104 text/html 1122374605.916 564 192.168.10.83 TCP_MISS/200 3027 GET http://www.archivum.info/netfilter/2002-11/msg00309.html - DIRECT/213.41.128.193 text/html 1122374622.031 1145 192.168.10.83 TCP_MISS/200 807 POST http://207.46.3.5/gateway/gateway.dll? - DIRECT/207.46.3.5 application/x-msn-messenger 1122374622.292 261 192.168.10.83 TCP_MISS/200 373 POST http://207.46.3.5/gateway/gateway.dll? - DIRECT/207.46.3.5 application/x-msn-messenger Look TCP_MISS this is the change between version of msn messenger because with older versions the message was TCP_DENIED What should i do for fix this problem? Best Regards Mario