> I am trying to figure out how some users are using Miranda to get past > my squid rules. normally, msn, icq, gtalk, yahoo messenger, etc will > not work, however, a few users have figured out how to get around this, > and I have not been able to figure out how. > > - Find out , how these miranda base requests are logged in squid's access.log Preferably turn : log_mime_hdrs on This could give you the option of blocking it based on a mime-type ACL. M.