cache_peer - Proxies can also communicate with each other. This section explains the concatenation of proxies among each other.
request_header_access - With this option enabled, the HTTP version, address information:port and Squids version number will be transmitted from the local to the upstream proxy, this information is employed over the HTTP VIA field from the header. In combination with the TRACE-method this function can be useful for troubleshooting in a proxy compound.
replay_header_access - This option adds the LAN IP address of the client by the use of HTTP X-FORWARDED-For to the HTTP header.
request_header_access - With this option, the username of the user will be transferred. The Proxy authentication must be activated. This can be useful for logging purposes or for the user ACL on the remote proxy.
replay_header_access - Disables authentication methods such as e.g. the NT LAN Manager (Single Sign-On) or Kerberos.
cache_peer - In here the local proxy IP address:port can be connected with an external upstream proxy via HTTP or HTTPS connection. If no port is specified, the default port 80 will be used.
login - If the upstream proxy is configured with an authentication, you can enter your user name here.
login - If the upstream proxy uses password authentication, the password can be filled up in this section.
cache_peer hostname/IP parent 3128 3130 default no-query