stackoverflow.com/questions/8137861/do-i-need-to-use-proxypa...

I am using mod rewrite to mask the context root of my application. Do I need to use ProxyPassReverse at all?

httpd.apache.org/docs/current/rewrite/proxy.html

This document supplements the mod_rewrite reference documentation. It describes how to use the RewriteRule's [P] flag to proxy content to another server. A number of recipes are provided that describe common scenarios.