I have a problem with the interaction between Squid 2.6 and Skype 3.5. The skype 3.5, reconnect the session skype each 2 or 3 hours. The configuration of the squid 2.6: acl NOCACHESKYPE url_regex .skype acl skype url_regex 0:443 1:443 2:443 3:443 4:443 5:443 6:443 7:443 8:443 9:443 cache deny NOCACHESKYPE cache deny skype always_direct allow skype Besides, i installed 3Proxy with sock and this problem persist. sincerely , Ing. Leandro Ferrari