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<div id="preamble"><h1>Apache Module mod_reqtimeout</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/mod/mod_reqtimeout.html" title="English">&nbsp;en&nbsp;</a> |
<a href="../fr/mod/mod_reqtimeout.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a></p>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Set timeout and minimum data rate for receiving requests
</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>reqtimeout_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_reqtimeout.c</td></tr>
<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache HTTPD 2.2.15 and later</td></tr></table>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#requestreadtimeout">RequestReadTimeout</a></li>
</ul>
<h3>Topics</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li>
</ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
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<h2><a name="examples" id="examples">Examples</a></h2>

    <ol>
      <li>
        Allow 10 seconds to receive the request including the headers and
        30 seconds for receiving the request body:

        <pre class="prettyprint lang-config">
          RequestReadTimeout header=10 body=30
        </pre>

      </li>

      <li>
        Allow at least 10 seconds to receive the request body.
        If the client sends data, increase the timeout by 1 second for every
        1000 bytes received, with no upper limit for the timeout (except for
        the limit given indirectly by
        <code class="directive"><a href="../mod/core.html#limitrequestbody">LimitRequestBody</a></code>):

        <pre class="prettyprint lang-config">
          RequestReadTimeout body=10,MinRate=1000
        </pre>

      </li>

      <li>
        Allow at least 10 seconds to receive the request including the headers.
        If the client sends data, increase the timeout by 1 second for every
        500 bytes received. But do not allow more than 30 seconds for the
        request including the headers:

        <pre class="prettyprint lang-config">
          RequestReadTimeout header=10-30,MinRate=500
        </pre>

      </li>

      <li>
        Usually, a server should have both header and body timeouts configured.
        If a common configuration is used for http and https virtual hosts, the
        timeouts should not be set too low:

        <pre class="prettyprint lang-config">
          RequestReadTimeout header=20-40,MinRate=500 body=20,MinRate=500
        </pre>

      </li>

    </ol>
</div>
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<div class="directive-section"><h2><a name="RequestReadTimeout" id="RequestReadTimeout">RequestReadTimeout</a> <a name="requestreadtimeout" id="requestreadtimeout">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Set timeout values for receiving request headers and body from client.
</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RequestReadTimeout
[header=<var>timeout</var>[-<var>maxtimeout</var>][,MinRate=<var>rate</var>]
[body=<var>timeout</var>[-<var>maxtimeout</var>][,MinRate=<var>rate</var>]
</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>header=20-40,MinRate=500 body=20,MinRate=500</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_reqtimeout</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.2.15 and later; defaulted to disabled in
version 2.3.14 and earlier.</td></tr>
</table>
    <p>This directive can set various timeouts for receiving the request headers
    and the request body from the client. If the client fails to send headers or
    body within the configured time, a <code>408 REQUEST TIME OUT</code> error
    is sent.</p>

    <p>For SSL virtual hosts, the header timeout values include the time needed
    to do the initial SSL handshake.  If the user's browser is configured to
    query certificate revocation lists and the CRL server is not reachable, the
    initial SSL handshake may take a significant time until the browser gives up
    waiting for the CRL.  Therefore the header timeout values should not be set
    to very low values for SSL virtual hosts.
    The body timeout values include the time needed for SSL renegotiation
    (if necessary).</p>

    <p>When an <code class="directive"><a href="../mod/core.html#acceptfilter">AcceptFilter</a></code> is in use
    (usually the case on Linux and FreeBSD), the socket is not sent to the
    server process before at least one byte (or the whole request for
    <code>httpready</code>) is received. The header timeout configured with
    <code>RequestReadTimeout</code> is only effective after the server process has
    received the socket.</p>

    <p>For each of the two timeout types (header or body), there are three ways
    to specify the timeout:
    </p>

    <ul>

    <li><strong>Fixed timeout value</strong>:<br />

    <div class="example"><p><code><var>type</var>=<var>timeout</var></code></p></div>

    <p>The time in seconds allowed for reading all of the request headers or
    body, respectively. A value of 0 means no limit.</p>
    </li>

    <li><strong>Disable module for a vhost:</strong>:<br />

    <div class="example"><p><code>header=0 body=0</code></p></div>

    <p>This disables <code class="module"><a href="../mod/mod_reqtimeout.html">mod_reqtimeout</a></code> completely.</p>
    </li>

    <li><strong>Timeout value that is increased when data is
    received</strong>:<br />
    <div class="example"><p><code>
    <var>type</var>=<var>timeout</var>,MinRate=<var>data_rate</var>
    </code></p></div>

    <p>Same as above, but whenever data is received, the timeout value is
    increased according to the specified minimum data rate (in bytes per
    second).</p>
    </li>

    <li><strong>Timeout value that is increased when data is received, with an
    upper bound</strong>:<br />
    <div class="example"><p><code>
    <var>type</var>=<var>timeout</var>-<var>maxtimeout</var>,MinRate=<var>data_rate</var>
    </code></p></div>

    <p>Same as above, but the timeout will not be increased above the second
    value of the specified timeout range.</p>
    </li>

    </ul>


</div>
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