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<div id="preamble"><h1>Apache Module mod_reflector</h1>
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<p><span>Available Languages: </span><a href="../en/mod/mod_reflector.html" title="English">&nbsp;en&nbsp;</a> |
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Reflect a request body as a response via the output filter stack.</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">ModuleIdentifier:</a></th><td>reflector_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">SourceFile:</a></th><td>mod_reflector.c</td></tr>
<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Version 2.3 and later</td></tr></table>
<h3>Summary</h3>

    <p>This module allows request bodies to be reflected back to the
    client, in the process passing the request through the output filter
    stack. A suitably configured chain of filters can be used to transform
    the request into a response. This module can be used to turn an output
    filter into an HTTP service.</p>
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<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3>
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<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li>
</ul><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#reflectorheader">ReflectorHeader</a></li>
</ul>
<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&amp;list_id=144532&amp;product=Apache%20httpd-2&amp;query_format=specific&amp;order=changeddate%20DESC%2Cpriority%2Cbug_severity&amp;component=mod_reflector">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_reflector">Report a bug</a></li></ul><h3>See also</h3>
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<li><a href="#comments_section">Comments</a></li></ul></div>
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<h2><a name="examples" id="examples">Examples</a></h2>
    <dl>
    <dt>Compression service</dt>
    <dd>Pass the request body through the DEFLATE filter to compress the
    body. This request requires a Content-Encoding request header containing
    "gzip" for the filter to return compressed data.
    <pre class="prettyprint lang-config">&lt;Location "/compress"&gt;
    SetHandler reflector
    SetOutputFilter DEFLATE
&lt;/Location&gt;</pre>

    </dd>

    <dt>Image downsampling service</dt>
    <dd>Pass the request body through an image downsampling filter, and reflect
    the results to the caller.
    <pre class="prettyprint lang-config">&lt;Location "/downsample"&gt;
    SetHandler reflector
    SetOutputFilter DOWNSAMPLE
&lt;/Location&gt;</pre>

    </dd>
    </dl>
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<div class="directive-section"><h2><a name="ReflectorHeader" id="ReflectorHeader">ReflectorHeader</a> <a name="reflectorheader" id="reflectorheader">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Reflect an input header to the output headers</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ReflectorHeader <var>inputheader</var> <var>[outputheader]</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>Options</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_reflector</td></tr>
</table>
    <p>This directive controls the reflection of request headers to the response.
    The first argument is the name of the request header to copy. If the optional
    second argument is specified, it will be used as the name of the response
    header, otherwise the original request header name will be used.</p>

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