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db479b48bd4d75423ed4a45e15b75089d1a8ad72fielding<title>How-To / Tutorials - Apache HTTP Server</title>
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d5d794fc2f4cc9ca6d6da17cfa2cdcd8d244bacdnd<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="/faq/">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p>
d5d794fc2f4cc9ca6d6da17cfa2cdcd8d244bacdnd<div class="up"><a href="../"><img title="<-" alt="<-" src="/images/left.gif" /></a></div>
d5d794fc2f4cc9ca6d6da17cfa2cdcd8d244bacdnd<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs-project/">Documentation</a> > <a href="../">Version 2.1</a></div><div id="page-content"><div id="preamble"><h1>How-To / Tutorials</h1>
d5d794fc2f4cc9ca6d6da17cfa2cdcd8d244bacdnd<p><span>Available Languages: </span><a href="/en/howto/" title="English"> en </a> |
d5d794fc2f4cc9ca6d6da17cfa2cdcd8d244bacdnd<a href="/ja/howto/" hreflang="ja" rel="alternate" title="Japanese"> ja </a></p>
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80c4526970a11f37c0f8e3b82afdf03902dac3f3slive<h2><a name="howto" id="howto">How-To / Tutorials</a></h2>
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna <p>Authentication is any process by which you verify that
88d86cfadffe2275a3dfb67a4d7bdc018630b661rbowen someone is who they claim they are. Authorization is any
88d86cfadffe2275a3dfb67a4d7bdc018630b661rbowen process by which someone is allowed to be where they want to
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna go, or to have information that they want to have.</p>
e4e60c2f7ba8f12b687f588b89e413842e9f2d76igalic <p>See: <a href="auth.html">Authentication, Authorization, and Access Control</a></p>
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe <p>The CGI (Common Gateway Interface) defines a way for a web
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe server to interact with external content-generating programs,
031bbbc0d1189b07330e38d0c126820a9ab7795egryzor which are often referred to as CGI programs or CGI scripts. It
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe is the simplest, and most common, way to put dynamic content on
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe your web site. This document will be an introduction to setting
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe up CGI on your Apache web server, and getting started writing
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna CGI programs.</p>
4e9f8c5414e5fe39b5393641533edca65f6e8b91poirier <p>See: <a href="cgi.html">CGI: Dynamic Content</a></p>
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna <p><code>.htaccess</code> files provide a way to make configuration
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna changes on a per-directory basis. A file, containing one or more
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna configuration directives, is placed in a particular document directory,
031bbbc0d1189b07330e38d0c126820a9ab7795egryzor and the directives apply to that directory, and all subdirectories thereof.</p>
031bbbc0d1189b07330e38d0c126820a9ab7795egryzor <p>See: <a href="htaccess.html"><code>.htaccess</code> files</a></p>
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna <p>SSI (Server Side Includes) are directives that are placed in
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna HTML pages, and evaluated on the server while the pages are
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna being served. They let you add dynamically generated content to
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna an existing HTML page, without having to serve the entire page
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna via a CGI program, or other dynamic technology.</p>
7e8f5c6496b3825b6b128e2aacc4b1b09d28553dpquerna <p>See: <a href="ssi.html">Server Side Includes (SSI)</a></p>
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe <p>On systems with multiple users, each user can be permitted to have a
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe web site in their home directory using the <code class="directive"><a href="/mod/mod_userdir.html#userdir">UserDir</a></code> directive. Visitors
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe to a URL <code>http://example.com/~username/</code> will get content
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe out of the home directory of the user "<code>username</code>", out of
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe the subdirectory specified by the <code class="directive"><a href="/mod/mod_userdir.html#userdir">UserDir</a></code> directive.</p>
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe <p>See: <a href="public_html.html">User web directories (<code>public_html</code>)</a></p>
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe<p><span>Available Languages: </span><a href="/en/howto/" title="English"> en </a> |
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe<a href="/ja/howto/" hreflang="ja" rel="alternate" title="Japanese"> ja </a></p>
5ae609a8a09239d20f48a4a95c4f21b713995babwrowe<p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p>
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