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This is the end of this pass for the online manual. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@78228 13f79535-47bb-0310-9956-ffa450edef68
147 lines
6.1 KiB
HTML
147 lines
6.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<HEAD>
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<TITLE>Apache module mod_alias</TITLE>
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</HEAD>
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<!-- Background white, links blue (unvisited), navy (visited), red (active) -->
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<BODY
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#000080"
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ALINK="#FF0000"
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>
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<!--#include virtual="header.html" -->
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<H1 ALIGN="CENTER">Module mod_alias</h1>
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This module is contained in the <code>mod_alias.c</code> file, and
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is compiled in by default. It provides for mapping different parts of the
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host filesystem in the the document tree, and for URL redirection.
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<menu>
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<li><A HREF="#alias">Alias</A>
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<li><A HREF="#redirect">Redirect</A>
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<li><A HREF="#redirecttemp">RedirectTemp</A>
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<li><A HREF="#redirectperm">RedirectPermanent</A>
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<li><A HREF="#scriptalias">ScriptAlias</A>
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</menu>
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<hr>
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<A name="alias"><h2>Alias</h2></A>
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<!--%plaintext <?INDEX {\tt Alias} directive> -->
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<strong>Syntax:</strong> Alias <em>url-path directory-filename</em><br>
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<Strong>Context:</strong> server config, virtual host<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_alias<br>
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The Alias directive allows documents to be stored in the local filesystem
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other than under the <A HREF="core.html#documentroot">DocumentRoot</A>.
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URLs with a (%-decoded) path beginning with <em>url-path</em> will be
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mapped to local files beginning with <em>directory-filename</em>.
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Example:
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<blockquote><code>Alias /image /ftp/pub/image</code></blockquote>
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A request for http://myserver/image/foo.gif would cause the server to
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return the file /ftp/pub/image/foo.gif.<p>
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Note that if you include a trailing / on the <em>url-path</em> then the
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server will require a trailing / in order to expand the alias. That is,
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if you use <code>Alias /icons/ /usr/local/etc/httpd/icons/</code> then
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the url <code>/icons</code> will not be aliased.<p>
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See also <A HREF="#scriptalias">ScriptAlias</A>.<p><hr>
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<A name="redirect"><h2>Redirect</h2></A>
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<!--%plaintext <?INDEX {\tt Redirect} directive> -->
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<strong>Syntax:</strong> Redirect [ <em>status</em> ] <em>url-path url</em><br>
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<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_alias<br>
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<strong>Compatibility:</strong> The directory and .htaccess context's
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are only available in versions 1.1 and later. The <em>status</em> argument is only available in Apache 1.2 or later.<p>
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The Redirect directive maps an old URL into a new one. The new URL is returned
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to the client which attempts to fetch it again with the new address.
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<em>Url-path</em> a (%-decoded) path; any requests for documents beginning with
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this path will be returned a redirect error to a new (%-encoded) url
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beginning with <em>url</em>. Example:
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<blockquote><code>Redirect /service
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http://foo2.bar.com/service</code></blockquote>
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If the client requests http://myserver/service/foo.txt, it will be told to
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access http://foo2.bar.com/service/foo.txt instead.<p>
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Note: Redirect directives take precedence over Alias and ScriptAlias
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directives, irrespective of their ordering in the configuration file. Also,
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<em>Url-path</em> must be an absolute path, not a relative path, even when used with
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.htaccess files or inside of <Directory> sections.<p>
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If no <em>status</em> argument is given, the redirect will be
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"temporary" (HTTP status 302). This indicates to the client that the
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resources is has moved temporarily. The <em>status</em>
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argument can be used to return other HTTP status codes:
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<dl>
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<dt>permanent<dd>Returns a permanent redirect status (301) indicating that
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the resource has moved permanently.
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<dt>temp<dd>Returns a temporary redirect status (302). This is the
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default.
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<dt>seeother<dd>Returns a "See Other" status (303) indicating that
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the resource has been replaced.
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<dt>gone<dd>Returns a "Gone" status (410) indicating that the resource
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has been permanently removed. When this status is used the <em>url</em>
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argument should be omitted.
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</dl>
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Other status codes can be returned by giving the numeric status code
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as the value of <em>status</em>. If the status is between 300 and 399,
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the <em>url</em> argument must be present, otherwise it must be
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omitted. Note that the status must be known to the Apache code (see
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the function <code>send_error_response</code> in http_protocol.c).
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<A name="redirecttemp"><h2>RedirectTemp</h2></A>
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<!--%plaintext <?INDEX {\tt Redirect} directive> -->
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<strong>Syntax:</strong> RedirectTemp <em>url-path url</em><br>
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<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_alias<br>
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<strong>Compatibility:</strong> This directive is only available in 1.2<P>
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This directive makes the client know that the Redirect is only
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temporary. (Status 302). Exactly equivalent to <code>Redirect temporary </code><P>
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<A name="redirectperm"><h2>RedirectPermanent</h2></A>
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<!--%plaintext <?INDEX {\tt Redirect} directive> -->
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<strong>Syntax:</strong> RedirectPermanent <em>url-path url</em><br>
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<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_alias<br>
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<strong>Compatibility:</strong> This directive is only available in 1.2<P>
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This directive makes the client know that the Redirect is permanent.
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(Status 301). Exactly equivalent to <code>Redirect permanent</code><P>
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<hr>
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<A name="scriptalias"><h2>ScriptAlias</h2></A>
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<!--%plaintext <?INDEX {\tt ScriptAlias} directive> -->
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<strong>Syntax:</strong> ScriptAlias <em>url-path directory-filename</em><br>
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<Strong>Context:</strong> server config, virtual host<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_alias<br>
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The ScriptAlias directive has the same behavior as the
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<A HREF="#alias">Alias</A> directive, except that in addition it
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marks the target directory as containing CGI scripts.
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URLs with a (%-decoded) path beginning with <em>url-path</em> will be
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mapped to scripts beginning with <em>directory-filename</em>.
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Example:
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<blockquote><code>ScriptAlias /cgi-bin/ /web/cgi-bin/</code></blockquote>
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A request for http://myserver/cgi-bin/foo would cause the server to
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run the script /web/cgi-bin/foo.<p>
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<!--#include virtual="footer.html" -->
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</BODY>
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</HTML>
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