The Apache web server, distributed for free, is the most popular andone of the most fully-featured in the world. It is used for websitesof all sizes, right up to Amazon.com, but needs only a 486 or Pentium to run comfortably for most websites. With add-on modules to handlePerl, PHP, and other web development languages and tools, no wonder itis the choice of more than half the websites in the world.
Apache-SSL provides "secure sockets layer" encryption to an Apache webserver. This allows businesses to sell online via E-Commerce websites.
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