mirror of
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1bf05b9838
in particular, the non-english files, to make sure I did not screw anything up. They look fine to me. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@91112 13f79535-47bb-0310-9956-ffa450edef68
69 lines
2.7 KiB
HTML
69 lines
2.7 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org" />
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<title>Filters - Apache HTTPD</title>
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</head>
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<!-- Background white, links blue (unvisited), navy (visited), red (active) -->
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<body bgcolor="#FFFFFF" text="#000000" link="#0000FF"
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vlink="#000080" alink="#FF0000">
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<!--#include virtual="header.html" -->
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<h1 align="CENTER">Filters</h1>
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<table border="1">
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<tr>
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<td valign="top"><strong>Related Modules</strong><br />
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<br />
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<a href="mod/mod_ext_filter.html">mod_ext_filter</a><br />
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<a href="mod/mod_include.html">mod_include</a><br />
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</td>
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<td valign="top"><strong>Related Directives</strong><br />
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<br />
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<a
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href="mod/mod_mime.html#addinputfilter">AddInputFilter</a><br />
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<a
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href="mod/mod_mime.html#addoutputfilter">AddOutputFilter</a><br />
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<a
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href="mod/mod_ext_filter.html#extfilterdefine">ExtFilterDefine</a><br />
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<a
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href="mod/mod_ext_filter.html#extfilteroptions">ExtFilterOptions</a><br />
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<a
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href="mod/core.html#setinputfilter">SetInputFilter</a><br />
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<a
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href="mod/core.html#setoutputfilter">SetOutputFilter</a><br />
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</td>
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</tr>
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</table>
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<p>A <em>filter</em> is a process which is applied to data that
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is sent or received by the server. Data sent by clients to the
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server is processed by <em>input filters</em> while data sent
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by the server to the client is processed by <em>output
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filters</em>. Multiple filters can be applied to the data, and
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the order of the filters can be explicitly specified.</p>
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<p>Filters are used internally by Apache to perform functions
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such as chunking and byte-range request handling. In addition,
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modules can provide filters which are selectable using run-time
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configuration directives. The set of filters which apply to
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data can be manipulated with the <code>SetInputFilter</code>
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and <code>SetOutputFilter</code> directives.</p>
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<p>The only configurable filter currently included with the
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Apache distribution is the <code>INCLUDES</code> filter which
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is provided by <a href="mod/mod_include.html">mod_include</a>
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to process output for Server Side Includes. There is also an
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experimental module called <a
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href="mod/mod_ext_filter.html">mod_ext_filter</a> which allows
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for external programs to be defined as filters.</p>
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<!--#include virtual="footer.html" -->
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</body>
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</html>
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