The file /etc/squid3/squid.conf I use is stripped from most of the comment. The 'original' squid.conf is saved under another name so I can always check on the meaning of the parameters. The current squid.conf is easier to manage:
# TAG: acl # Defining an Access List # # Every access list definition must begin with an aclname and acltype, # followed by either type-specific arguments or a quoted filename that # they are read from. acl manager proto cache_object acl lan src 192.168.10.0/24 acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 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 # TAG: http_access # Allowing or Denying access based on defined access lists http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow localhost http_access allow lan http_access deny all # TAG: icp_access # Allowing or Denying access to the ICP port based on defined # access lists icp_access deny all # TAG: htcp_access # Allowing or Denying access to the HTCP port based on defined # access lists htcp_access deny all http_port 3128 transparent hierarchy_stoplist cgi-bin ? access_log /var/log/squid3/access.log squid refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern (cgi-bin|\?) 0 0% 0 refresh_pattern . 0 20% 4320 icp_port 3130 coredump_dir /var/spool/squid3