I have configured squid-2.6 and Dansguardian 2.10.0.3 on RHEL5 for caching and web filtering for my office internet users. i m facing problems in loging into msn messenger, i have put acls in squid and msn ips in dansguardian exceptionsite list but still not getting msn messenger login, my squid acls for allowing msn messenger and dansguardian exceptionsite list is as under. Squid Acls (there is no acl in my squid.conf to block msn msgr) acl msn_mime req_mime_type -i ^application/x-msn-messenger$ acl msn_gw url_regex -i gateway.dll acl msnd dstdomain messenger.msn.com gateway.messenger.hotmail.com http_access allow msn_mime http_access allow msn_gw http_access allow msnd DG exceptionsitelist 64.4.13.0/24 152.163.241.0/24 64.12.163.0/24 207.46.110.0/24 207.46.1.0/24 65.54.0.0/16 207.46.104.20 207.46.110.0 65.55.149.121 98.136.113.173 64.4.32.7 221.120.250.106 65.242.27.35 64.4.9.254 After doing all this i m still facing login issues with msn messenger whenever i try to login it shows error login failed, service temporarily unavailable, i have juniper firewall behind proxy which has any any policy for proxy server, proxy servers iptables are fine, transparent proxy disabled due to DG, here are my squid logs while i try to log into msn messenger 1257142473.253 2479 192.168.151.227 TCP_MISS/200 19905 CONNECT https://login.live.com:443 192.168.151.227 DEFAULT_PARENT/127.0.0.1 - 1257142492.357 438 192.168.151.227 TCP_MISS/200 0 POST http://gateway.messenger.hotmail.com...er.hotmail.com 192.168.151.227 DEFAULT_PARENT/127.0.0.1 - and my iptables are as under iptables -A INPUT --source 192.168.151.227 -p tcp --dport 22 -j ACCEPT iptables -A INPUT --source 192.168.151.98 -p tcp --dport 22 -j ACCEPT iptables -A INPUT --source 0/0 -p tcp --dport 8080 -j ACCEPT iptables -A INPUT -p tcp --dport 22 -j DROP iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 3128 -j REDIRECT --to-port 8080 and Squid.conf SSL ports configurations are acl Safe_ports port 443 http_access deny CONNECT !SSL_ports I have took ur precious time, ur cooperation will be highly appreciated i have attached snapshots of msn msgr login errors. http://old.nabble.com/file/p26159993/msnmsgr.jpg http://old.nabble.com/file/p26159993/msnmsgr1.jpg -- View this message in context: http://old.nabble.com/msn-messenger-login-issue-tp26159993p26159993.html Sent from the Squid - Users mailing list archive at Nabble.com.