Hi! im trying to block this mime and another below in acl.. DIRECT/62.181.238.210 application/vnd.ms.wms-hdr.asfv1 i got this in squid.conf ## reply acl streaming_rep rep_mime_type -i ^application/x-mms-framed$ ^application/vnd.ms.wms-hdr.asfv1$ acl msn_rep rep_mime_type -i ^application/x-msn-messenger$ #request acl streaming_req req_mime_type -i ^application/x-mms-framed$ ^application/vnd.ms.wms-hdr.asfv1$ acl msn_req req_mime_type -i ^application/x-msn-messenger$ http_access deny streaming_req msn_req http_reply_access deny msn_rep streaming_rep any hints Regards Anders