Apache is an acronym for "a patchy server" is a service HTTP web pages open source used to place multiple platforms such as Unix, BSD, GNU / Linux, Windows, Macintosh and others that implement the HTTP protocol and knowledge or virtual site concepts and was initially based on the NCSA HTTP code.
Apache has a wide acceptance in the network that reaches its maximum market share, being the server used in 70% of the websites in the world, however, it has suffered a break in its market share in recent years.
In most of the vulnerabilities of security discovered and resolved, they can only be used and exploited by local users and not remotely, but they can be triggered in a remote space or a distant time in certain situations by malicious users, which is when they have the tendency to do bad in shared hosting arrangements that use PHP as apache module.
This area represents other highly configurable features, databases and authentication negotiated content, but was criticized for the lack of an interface that is communication zone or action of a graphical system that helps its configuration.
The Apache is a free software in the field of servers as the software free most successful one, even ahead of the kernel Linux, which is for two years and has more than 60% of the services of the web pages that use apache.
