This module implements a proxy/gateway for Apache. It implements proxying capability for AJP13 (Apache JServe Protocol version 1.3), FTP, CONNECT (for SSL), HTTP/0.9, HTTP/1.0, and HTTP/1.1. The module can be configured to connect to other proxy modules for these and other protocols.
This post also can be named as “How to setup a proxy passer(ProxyPass, ProxyPassReverse) in Apache2” because today we are going to look at is how to setup mod_proxy as a reserve proxy in your linux environment. You might be wondering what’s the difference between a forward proxy server and a reverse proxy server? the answer is here. There could be many situation where you want to set up a reserver proxy, couple of them are mentioned below.
- Front an application server as tomcat or JBoss with Apache
- Application running on a different port other than 80 or 443(we usually only expose 80 or 443 to the public)
- Mask the underlying server/Stop direct access to the underlying server
If you are more info on why Apache should be used in front of JBoss/Glassfish/Tomcat? Check this link out. Below image depicts what we are going to do today.
Reserve proxy example, Image courtesy : stackoverflow.com
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