Reverse proxy with mod proxy
ProxyRequests Off
ProxyVia full
ProxyPass /proxied-dir/ http://internal.site/
ProxyPassReverse /proxied-dir/ http://internal.site/
ProxyHTMLURLMap http://internal.site /proxied-dir
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
<Location /proxied-dir/>
ProxyPassReverse /
SetOutputFilter INFLATE;proxy-html;DEFLATE
#ProxyHTMLEnable On
ProxyHTMLUrlMap / /proxied-dir/
RequestHeader unset Accept-Encoding
</Location>