In addition to being a "basic" web server, and providing static and dynamic content to end-users, Apache httpd (as well as most other web servers) can also act as a reverse proxy server, also-known-as ...

I'm trying to work out why Apache (or the app it's proxying) isn't playing nicely. I suspect it's the way I've configured the Apache proxying, so I need another set of eyeballs please. Ubuntu 13.10, ...

Do not enable proxying with ProxyRequests until you have secured your server. Open proxy servers are dangerous both to your network and to the Internet at large. mod_proxy and related modules ...