In our setup ISA is being used as parent peer. The problem is that clients cannot browse https Sites.(All http/ftp sites works fine) OS =Ubuntu 8.04 Squid3 is installed My Squid.conf File: visible_hostname 10.1.82.53 cache_peer ISASERVER parent 8080 0 default no-digest no-query http_port 10.1.82.53:3128 never_direct allow all #Recommended minimum configuration: acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 acl localnet src 10.1.82.0/255.255.255.0, 10.1.245.0/255.255.255.0 acl SSL_ports port 443 #https acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl CONNECT method CONNECT http_access allow localhost localnet to_localhost SSL_ports Safe_ports http_access allow CONNECT Safe_ports SSL_ports http_access deny !Safe_ports !SSL_ports http_access deny all I am stuck up with it and your assistance would be really valuable. Thanks in advance Regards, Bilal Aslam _________________________________________________________________ Hotmail: Powerful Free email with security by Microsoft. https://signup.live.com/signup.aspx?id=60969