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Loadbalancing a heavy-duty application, or protecting a vulnerable one, are other common usages.But the most common reason to run a reverse proxy is to enable controlled access from the Web at large to servers behind a firewall.
Most of the above modules are included in the core Apache distribution.
The proxied server may be a webserver itself, or it may be an application server using a different protocol, or an application server with just rudimentary HTTP that needs to be shielded from the web at large.
Since 2004, reverse proxying has been the preferred method of deploying JAVA/Tomcat applications on the Web, replacing the old mod_jk (itself a special-purpose reverse proxy module).
Proxies are typically operated by ISPs and network administrators, and serve several purposes: for example, A reverse proxy is a gateway for servers, and enables one web server to provide content from another transparently.
As with a standard proxy, a reverse proxy may serve to improve performance of the web by caching; this is a simple way to mirror a website.
For the purposes of this article, we'll assume libxml2 is installed as /usr/lib/libxml2.so, with headers in /usr/include/libxml2/libxml/.
Company has a website at which has a public IP address and DNS entry, and can be accessed from anywhere on the Internet.In this article he attempts to give a comprehensive overview of the proxying and mod_proxy_html This article was originally published at Apache Week in January 2004, and moved to Apache Tutor with minor updates in October 2006.The current revision was made in October 2009 and incorporates updates in Apache 2.2 and mod_proxy_html 3.1.This distinction is particularly important in a proxy, because one of the most significant changes between the two protocol versions is that HTTP/1.1 introduces rich new cache control mechanisms.Apache 2.2 brings major improvements over Apache 2.0 in both proxying and cacheing, and is also the first version to support load-balancing as standard.If you are using an older Apache version, it is strongly recommended you upgrade.