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120 lines
3.7 KiB
HTML
120 lines
3.7 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
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<HTML>
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<HEAD>
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<TITLE>Apache module mod_access</TITLE>
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</HEAD>
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<BODY>
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<!--#include virtual="header.html" -->
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<H1>Module mod_access</h1>
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This module is contained in the <code>mod_access.c</code> file, and
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is compiled in by default. It provides access control based on client
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hostname or IP address.
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<menu>
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<li><A HREF="#allow">allow</A>
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<li><A HREF="#deny">deny</A>
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<li><A HREF="#order">order</A>
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</menu>
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<hr>
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<A name="allow"><h2>allow</h2></A>
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<!--%plaintext <?INDEX {\tt allow} directive> -->
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<strong>Syntax:</strong> allow from <em>host host ...</em><br>
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<Strong>Context:</strong> directory, .htaccess<br>
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<Strong>Override:</strong> Limit<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_access<p>
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The allow directive affects which hosts can access a given directory; it is
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typically used within a <A HREF="core.html#limit"><Limit></A> section.
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<em>Host</em> is one of the following:
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<dl>
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<dt><code>all</code>
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<dd>all hosts are allowed access
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<dt>A (partial) domain-name
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<dd>host whose name is, or ends in, this string are allowed access.
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<dt>A full IP address
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<dd>An IP address of a host allowed access
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<dt>A partial IP address
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<dd>The first 1 to 3 bytes of an IP address, for subnet restriction.
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</dl>
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Example:<blockquote><code>allow from .ncsa.uiuc.edu</code></blockquote>
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All hosts in the specified domain are allowed access.<p>
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Note that this compares whole components; <code>bar.edu</code>
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would not match <code>foobar.edu</code>.<p>
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See also <A HREF="#deny">deny</A> and <A HREF="#order">order</A>.<p><hr>
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<A name="deny"><h2>deny</h2></A>
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<!--%plaintext <?INDEX {\tt deny} directive> -->
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<strong>Syntax:</strong> deny from <em>host host ...</em><br>
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<Strong>Context:</strong> directory, .htaccess<br>
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<Strong>Override:</strong> Limit<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_access<p>
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The deny directive affects which hosts can access a given directory; it is
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typically used within a <A HREF="core.html#limit"><Limit></A> section.
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<em>Host</em> is one of the following:
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<dl>
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<dt><code>all</code>
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<dd>all hosts are denied access
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<dt>A (partial) domain-name
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<dd>host whose name is, or ends in, this string are denied access.
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<dt>A full IP address
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<dd>An IP address of a host denied access
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<dt>A partial IP address
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<dd>The first 1 to 3 bytes of an IP address, for subnet restriction.
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</dl>
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Example:<blockquote><code>deny from 16</code></blockquote>
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All hosts in the specified network are denied access.<p>
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Note that this compares whole components; <code>bar.edu</code>
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would not match <code>foobar.edu</code>.<p>
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See also <A HREF="#allow">allow</A> and <A HREF="#order">order</A>.<p><hr>
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<A name="order"><h2>order</h2></A>
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<!--%plaintext <?INDEX {\tt order} directive> -->
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<strong>Syntax:</strong> order <em>ordering</em><br>
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<strong>Default:</strong> <code>order deny,allow</code><br>
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<strong>Context:</strong> directory, .htaccess<br>
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<strong>Override:</strong> Limit<br>
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<strong>Status:</strong> Base<br>
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<strong>Module:</strong> mod_access<p>
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The order directive controls the order in which <A HREF="#allow">allow</A> and
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<A HREF="#deny">deny</A> directives are evaluated. <em>Ordering</em> is one
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of
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<dl>
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<dt>deny,allow
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<dd>the deny directives are evaluated before the allow directives.
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<dt>allow,deny
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<dd>the allow directives are evaluated before the deny directives.
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<dt>mutual-failure
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<dd>Only those hosts which appear on the allow list and do not appear
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on the deny list are granted access.
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</dl>
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Example:
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<blockquote><code>
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order deny,allow
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deny from all
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allow from .ncsa.uiuc.edu
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</code></blockquote>
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Hosts in the ncsa.uiuc.edu domain are allowed access; all other hosts are
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denied access.
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<!--#include virtual="footer.html" -->
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</BODY>
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</HTML>
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