Squid3 (squid.conf)
Abaixo o arquivo de configuração do squid3 sendo usado como proxy reverso. No meu caso, com apenas um ip externo e dois servidores web internos, sendo assim o squid faz a leitura da URL site1.com, site2.com, e encaminha para o respectivo servidor interno.
cache_peer 192.168.1.10 parent 80 0 no-query originserver name=srv1 login=PASS acl acl_srv1 dstdomain www.site1.com site1.com cache_peer_access srv1 allow acl_srv1 cache_peer_access srv1 deny all cache_peer 192.168.1.11 parent 80 0 no-query originserver name=srv2 login=PASS acl acl_srv2 dstdomain www.site2.com site2.com cache_peer_access srv2 allow acl_srv2 cache_peer_access srv2 deny all acl manager proto cache_object acl localhost src 127.0.0.1/32 ::1 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1 acl SSL_ports port 443 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 manager localhost http_access deny manager http_access allow acl_srv1 http_access allow acl_srv2 http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost http_access deny all http_port 80 vhost hierarchy_stoplist cgi-bin ? coredump_dir /var/spool/squid3 refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 refresh_pattern . 0 20% 4320
