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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
<TITLE>Apache module mod_dir</TITLE>
</HEAD>
<!-- Background white, links blue (unvisited), navy (visited), red (active) -->
<BODY
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
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<!--#include virtual="header.html" -->
<H1 ALIGN="CENTER">Module mod_dir</H1>
This module is contained in the <code>mod_dir.c</code> file, and
is compiled in by default. It provides for directory indexing.
<h2>Summary</h2>
This module controls the directory indexing. The index of a directory
can come from one of two sources:
<ul>
<li>A file written by the user, typically called <code>index.html</code>.
The <A HREF="#directoryindex">DirectoryIndex</A> directive sets the name
of this file.
<li>Otherwise, a listing generated by the server. The other directives
control the format of this listing. The <A HREF="#addicon">AddIcon</A>,
<A HREF="#addiconbyencoding">AddIconByEncoding</A> and
<A HREF="#addiconbytype">AddIconByType</A> are used to set a list of
icons to display for various file types; for each file listed, the
first icon listed that matches the file is displayed.
</ul>
<h2>Directives</h2>
<menu>
<li><A HREF="#addalt">AddAlt</A>
<li><A HREF="#addaltbyencoding">AddAltByEncoding</A>
<li><A HREF="#addaltbytype">AddAltByType</A>
<li><A HREF="#adddescription">AddDescription</A>
<li><A HREF="#addicon">AddIcon</A>
<li><A HREF="#addiconbyencoding">AddIconByEncoding</A>
<li><A HREF="#addiconbytype">AddIconByType</A>
<li><A HREF="#defaulticon">DefaultIcon</A>
<li><A HREF="#directoryindex">DirectoryIndex</A>
<li><A HREF="#fancyindexing">FancyIndexing</A>
<li><A HREF="#headername">HeaderName</A>
<li><A HREF="#indexignore">IndexIgnore</A>
<li><A HREF="#indexoptions">IndexOptions</A>
<li><A HREF="#readmename">ReadmeName</A>
</menu>
<hr>
<A name="addalt"><h2>AddAlt</h2></A>
<!--%plaintext <?INDEX {\tt AddAlt} directive> -->
<strong>Syntax:</strong> AddAlt <em>string file file...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
This sets the alternate text to display for a file, instead of an icon, for
<A HREF="#fancyindexing">FancyIndexing</A>. <em>File</em> is a file
extension, partial filename, wild-card expression or full filename for files
to describe. <em>String</em> is enclosed in double quotes
(<code>"</code>). This alternate text is displayed if the client is
image-incapable or has image loading disabled.
<HR>
<A name="addaltbyencoding"><h2>AddAltByEncoding</h2></A>
<!--%plaintext <?INDEX {\tt AddAltByEncoding} directive> -->
<strong>Syntax:</strong> AddAltByEncoding <em>string MIME-encoding
MIME-encoding...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
This sets the alternate text to display for a file, instead of an icon, for
<A HREF="#fancyindexing">FancyIndexing</A>. <em>MIME-encoding</em> is a
valid content-encoding, such as <SAMP>x-compress</SAMP>.
<em>String</em> is enclosed in double quotes
(<code>"</code>). This alternate text is displayed if the client is
image-incapable or has image loading disabled.
<HR>
<A name="addaltbytype"><h2>AddAltByType</h2></A>
<!--%plaintext <?INDEX {\tt AddAltByType} directive> -->
<strong>Syntax:</strong> AddAltByType <em>string MIME-type MIME-type...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
This sets the alternate text to display for a file, instead of an icon, for
<A HREF="#fancyindexing">FancyIndexing</A>. <em>MIME-type</em> is a
valid content-type, such as <SAMP>text/html</SAMP>.
<em>String</em> is enclosed in double quotes
(<code>"</code>). This alternate text is displayed if the client is
image-incapable or has image loading disabled.
<HR>
<A name="adddescription"><h2>AddDescription</h2></A>
<!--%plaintext <?INDEX {\tt AddDescription} directive> -->
<strong>Syntax:</strong> AddDescription <em>string file file...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
This sets the description to display for a file, for
<A HREF="#fancyindexing">FancyIndexing</A>. <em>File</em> is a file
extension, partial filename, wild-card expression or full filename for files
to describe. <em>String</em> is enclosed in double quotes
(<code>"</code>). Example:
<blockquote><code>AddDescription "The planet Mars" /web/pics/mars.gif
</code></blockquote><p><hr>
<A name="addicon"><h2>AddIcon</h2></A>
<!--%plaintext <?INDEX {\tt AddIcon} directive> -->
<strong>Syntax:</strong> AddIcon <em>icon name name ...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
This sets the icon to display next to a file ending in <em>name</em> for
<A HREF="#fancyindexing">FancyIndexing</A>. <em>Icon</em> is either a
(%-escaped) relative URL to the icon, or of the format
(<em>alttext</em>,<em>url</em>) where <em>alttext</em> is the text tag given
for an icon for non-graphical browsers.<p>
<em>Name</em> is either ^^DIRECTORY^^ for directories, ^^BLANKICON^^ for
blank lines (to format the list correctly), a file extension, a wildcard
expression, a partial filename or a complete filename. Examples:
<blockquote><code>
AddIcon (IMG,/icons/image.xbm) .gif .jpg .xbm <br>
AddIcon /icons/dir.xbm ^^DIRECTORY^^ <br>
AddIcon /icons/backup.xbm *~
</code></blockquote>
<A HREF="#addiconbytype">AddIconByType</A> should be used in preference to
AddIcon, when possible.<p><hr>
<A name="addiconbyencoding"><h2>AddIconByEncoding</h2></A>
<!--%plaintext <?INDEX {\tt AddIconByEncoding} directive> -->
<strong>Syntax:</strong> AddIconByEncoding <em>icon mime-encoding mime-encoding
...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
This sets the icon to display next to files with
<em>mime-encoding</em> for <A HREF="#fancyindexing">FancyIndexing</A>.
<em>Icon</em> is either a (%-escaped) relative URL to the icon, or of the
format (<em>alttext</em>,<em>url</em>) where <em>alttext</em> is the text tag
given for an icon for non-graphical browsers.<p>
<em>Mime-encoding</em> is a wildcard expression matching required the
content-encoding. Examples:
<blockquote><code>
AddIconByEncoding /icons/compress.xbm x-compress
</code></blockquote><p><hr>
<A name="addiconbytype"><h2>AddIconByType</h2></A>
<!--%plaintext <?INDEX {\tt AddIconByType} directive> -->
<strong>Syntax:</strong> AddIconByType <em>icon mime-type mime-type ...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
This sets the icon to display next to files of type <em>mime-type</em> for
<A HREF="#fancyindexing">FancyIndexing</A>. <em>Icon</em> is either a
(%-escaped) relative URL to the icon, or of the format
(<em>alttext</em>,<em>url</em>) where <em>alttext</em> is the text tag given
for an icon for non-graphical browsers.<p>
<em>Mime-type</em> is a wildcard expression matching required the mime types.
Examples:
<blockquote><code>
AddIconByType (IMG,/icons/image.xbm) image/*
</code></blockquote><p><hr>
<A name="defaulticon"><h2>DefaultIcon</h2></A>
<!--%plaintext <?INDEX {\tt DefaultIcon} directive> -->
<strong>Syntax:</strong> DefaultIcon <em>url</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
The DefaultIcon directive sets the icon to display for files when no
specific icon is known, for <A HREF="#fancyindexing">FancyIndexing</A>.
<em>Url</em> is a (%-escaped) relative URL to the icon. Examples:
<blockquote><code>
DefaultIcon /icon/unknown.xbm
</code></blockquote><p><hr>
<A name="directoryindex"><h2>DirectoryIndex</h2></A>
<!--%plaintext <?INDEX {\tt DirectoryIndex} directive> -->
<strong>Syntax:</strong> DirectoryIndex <em>local-url local-url ...</em><br>
<strong>Default:</strong> <code>DirectoryIndex index.html</code><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
The DirectoryIndex directive sets the list of resources to look for,
when the client requests an index of the directory by specifying a /
at the end of the a directory name. <em>Local-url</em> is the
(%-encoded) URL of a document on the server relative to the requested
directory; it is usually the name of a file in the directory. Several
URLs may be given, in which case the server will return the first one
that it finds. If none of the resources exist and the
<CODE>Indexes</CODE> option is set, the server will generate its own
listing of the directory.
<P>
Example:
<blockquote><code>
DirectoryIndex index.html
</code></blockquote>
then a request for <code>http://myserver/docs/</code> would return
<code>http://myserver/docs/index.html</code> if it exists, or would list
the directory if it did not. <p>
Note that the documents do not need to be relative to the directory;
<blockquote><code>
DirectoryIndex index.html index.txt /cgi-bin/index.pl</code></blockquote>
would cause the CGI script <code>/cgi-bin/index.pl</code> to be executed
if neither <code>index.html</code> or <code>index.txt</code> existed in
a directory.<p><hr>
<A name="fancyindexing"><h2>FancyIndexing</h2></A>
<!--%plaintext <?INDEX {\tt FancyIndexing} directive> -->
<strong>Syntax:</strong> FancyIndexing <em>boolean</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
The FancyIndexing directive sets the FancyIndexing option for a directory.
<em>Boolean</em> can be <code>on</code> or <code>off</code>. The
<A HREF="#indexoptions">IndexOptions</A> directive should be used in
preference.<p><hr>
<A name="headername"><h2>HeaderName</h2></A>
<!--%plaintext <?INDEX {\tt HeaderName} directive> -->
<strong>Syntax:</strong> HeaderName <em>filename</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
The HeaderName directive sets the name of the file that will be inserted
at the top of the index listing. <em>Filename</em> is the name of the file
to include, and is taken to be relative to the directory being indexed.
The server first attempts to include <em>filename</em><code>.html</code>
as an HTML document, otherwise it will include <em>filename</em> as plain
text. Example:
<blockquote><code>HeaderName HEADER</code></blockquote>
when indexing the directory <code>/web</code>, the server will first look for
the HTML file <code>/web/HEADER.html</code> and include it if found, otherwise
it will include the plain text file <code>/web/HEADER</code>, if it exists.
<p>See also <A HREF="#readmename">ReadmeName</A>.<p><hr>
<A name="indexignore"><h2>IndexIgnore</h2></A>
<!--%plaintext <?INDEX {\tt IndexIgnore} directive> -->
<strong>Syntax:</strong> IndexIgnore <em>file file ...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
The IndexIgnore directive adds to the list of files to hide when listing
a directory. <em>File</em> is a file extension, partial filename,
wildcard expression or full filename for files to ignore. Multiple
IndexIgnore directives add to the list, rather than the replacing the list
of ignored files. By default, the list contains `<code>.</code>'. Example:
<blockquote><code>
IndexIgnore README .htaccess *~
</code></blockquote><p><hr>
<A name="indexoptions"><h2>IndexOptions</h2></A>
<!--%plaintext <?INDEX {\tt IndexOptions} directive> -->
<strong>Syntax:</strong> IndexOptions <em>option option ...</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
The IndexOptions directive specifies the behavior of the directory indexing.
<em>Option</em> can be one of
<dl>
<dt>FancyIndexing
<dd><!--%plaintext <?INDEX {\tt FancyIndexing} index option> -->
This turns on fancy indexing of directories.
<dt>IconsAreLinks
<dd>
<!--%plaintext <?INDEX {\tt IconsAreLinks} index option> -->
This makes the icons part of the anchor for the filename, for
fancy indexing.
<dt>ScanHTMLTitles
<dd><!--%plaintext <?INDEX {\tt ScanHTMLTitles} index option> -->
This enables the extraction of the title from HTML documents for fancy
indexing. If the file does not have a description given by
<A HREF="#adddescription">AddDescription</A> then httpd will read the
document for the value of the TITLE tag. This is CPU and disk intensive.
<dt>SuppressLastModified
<dd>
<!--%plaintext <?INDEX {\tt SuppressLastModified} index option> -->
This will suppress the display of the last modification date, in fancy
indexing listings.
<dt>SuppressSize
<dd>
<!--%plaintext <?INDEX {\tt SuppressSize} index option> -->
This will suppress the file size in fancy indexing listings.
<dt>SuppressDescription
<dd>
<!--%plaintext <?INDEX {\tt SuppressDescription} index option> -->
This will suppress the file description in fancy indexing listings.
<dt>IconHeight[=pixels] (<EM>Apache 1.3 and later</EM>)
<dd>
<!--%plaintext <?INDEX {\tt IconHeight} index option> -->
Presence of this option, when used with IconWidth, will cause the server
to include <SAMP>HEIGHT</SAMP> and <SAMP>WIDTH</SAMP> attributes in the
<SAMP>IMG</SAMP> tag for the file icon. This allows browser to
precalculate the page layout without having to wait until all the
images have been loaded. If no value is given for the option, it
defaults to the standard height of the icons supplied with the Apache
software.
<dt>IconWidth[=pixels] (<EM>Apache 1.3 and later</EM>)
<dd>
<!--%plaintext <?INDEX {\tt IconWidth} index option> -->
Presence of this option, when used with IconHeight, will cause the server
to include <SAMP>HEIGHT</SAMP> and <SAMP>WIDTH</SAMP> attributes in the
<SAMP>IMG</SAMP> tag for the file icon. This allows browser to
precalculate the page layout without having to wait until all the
images have been loaded. If no value is given for the option, it
defaults to the standard width of the icons supplied with the Apache
software.
</dl>
This default is that no options are enabled. If multiple IndexOptions
could apply to a directory, then the most specific one is taken complete;
the options are not merged. For example:
<blockquote><code>
<Directory /web/docs> <br>
IndexOptions FancyIndexing <br>
</Directory><br>
<Directory /web/docs/spec> <br>
IndexOptions ScanHTMLTitles <br>
</Directory>
</code></blockquote>
then only <code>ScanHTMLTitles</code> will be set for the /web/docs/spec
directory.<p><hr>
<A name="readmename"><h2>ReadmeName</h2></A>
<!--%plaintext <?INDEX {\tt ReadmeName} directive> -->
<strong>Syntax:</strong> ReadmeName <em>filename</em><br>
<Strong>Context:</strong> server config, virtual host, directory, .htaccess<br>
<Strong>Override:</strong> Indexes<br>
<strong>Status:</strong> Base<br>
<strong>Module:</strong> mod_dir<p>
The ReadmeName directive sets the name of the file that will be appended
to the end of the index listing. <em>Filename</em> is the name of the file
to include, and is taken to be relative to the directory being indexed.
The server first attempts to include <em>filename</em><code>.html</code>
as an HTML document, otherwise it will include <em>filename</em> as plain
text. Example:
<blockquote><code>ReadmeName README</code></blockquote>
when indexing the directory <code>/web</code>, the server will first look for
the HTML file <code>/web/README.html</code> and include it if found, otherwise
it will include the plain text file <code>/web/README</code>, if it exists.
<p>See also <A HREF="#headername">HeaderName</A>.<p>
<!--#include virtual="footer.html" -->
</BODY>
</HTML>
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