10.0.0.183 - - [12/Aug/2008:12:45:35] "POST http://mail.google.com/mail... 10.0.0.183 - - [12/Aug/2008:12:45:35] "POST http://mail.google.com/mail... 10.0.0.183 - USERNAME [12/Aug/2008:12:45:35] "POST http://mail.google.c... ICQ disconnects frequently - it says it is not authorized (in logs). squid.conf auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp auth_param ntlm children 5 acl CONTROLEE proxy_auth REQUIRED http_access allow my_department CONTROLEE http_access deny my_department maxconn ... http_access deny all If I set debug_options 29,6, I get in cache.log: 2008/08/12 15:27:45.329| AuthUserRequest::~AuthUserRequest: freeing request 0x1055698 *********** This I get when ICQ is disconnected (e. g. it receives "you are not authorized) 2008/08/12 15:27:45.334| authenticateAuthenticate: no connection authentication type *********** 2008/08/12 15:27:45.334| AuthUser::AuthUser: Initialised auth_user '0x1051da0' with refcount '0'. 2008/08/12 15:27:45.334| AuthUserRequest::AuthUserRequest: initialised request 0x1055698 2008/08/12 15:27:45.334| authenticateValidateUser: Validated Auth_user request '0x1055698'. 2008/08/12 15:27:45.334| authenticateValidateUser: Validated Auth_user request '0x1055698'. 2008/08/12 15:27:45.334| authenticateValidateUser: Validated Auth_user request '0x1055698'. 2008/08/12 15:27:45.334| authenticateValidateUser: Validated Auth_user request '0x1055698'. 2008/08/12 15:27:45.334| authenticateNTLMHandleReply: Need to challenge the client with a server blob 'TlRMT 2008/08/12 15:27:45.334| authenticateValidateUser: Validated Auth_user request '0x1055698'. 2008/08/12 15:27:45.334| authenticateValidateUser: Validated Auth_user request '0x1055698'. 2008/08/12 15:27:45.334| authenticateValidateUser: Validated Auth_user request '0x1055698'. 2008/08/12 15:27:45.334| AuthNTLMUserRequest::authenticate: need to challenge client 'TlRMTVNTUAACAAAADAAMAD 200 I'm pretty tired of that. Please help. Squid Cache: Version 3.0.STABLE8 configure options: '--prefix=/usr/local/squid'