One of the most popular web servers to date that is powerful, flexible and HTTP/1.1 compliant

The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT.

The main goal of Apache HTTP Server is to provide an efficient, secure and extensible server that provides HTTP services in sync with the current HTTP standards.

Apache has been the most popular web server on the Internet since 1996.
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