Apache Reference: mod_proxy, ProxyRemote
Forward Proxy Requests to Other Proxies
Syntax: ProxyRemote url-pattern A
Example: ProxyRemote * http://remote-server:3128
Since: Apache 1.1
This directive defines remote proxy servers for use by the local proxy
server. The url-pattern can be the name of a URL scheme that the
remote server supports, a partial URL for which the remote server
should be used, or ``*'' to indicate that the server should be contacted
for all requests. The remote-proxy is a partial URL for the remote
proxy server.