Apache Reference: mod_proxy, ProxyPassReverse
Adjust HTTP Redirect Responses
Syntax: ProxyPassReverse local-path A
Example: ProxyPassReverse /foo/ http://www.foo.dom/
Since: Apache 1.3
This mod_proxy directive adjusts the URL in the Location header
field on HTTP redirect responses sent by remote hosts.
This adjustment is essential, for instance, when Apache is used as a ``reverse proxy''.
In this case, it avoids by-passing the reverse proxy because HTTP redirects
on the back-end servers stay behind the reverse proxy. The local-path
argument is the name of a local virtual path, and the remote-url
argument is a partial URL for the
remote server - just as with the ProxyPass
directive. Usually, the directive is used in conjunction with
ProxyPass, but it can ProxyPassReverse also be used in conjunction with the
proxy flag of mod_rewrite's RewriteRule directive.