s.</p>

    <p>This Valve may be used at the <code>Engine</code>, <code>Host</code> or
    <code>Context</code> level as required. Normally, this Valve would be used
    at the <code>Engine</code> level.</p>

    <p>If used in conjunction with Remote IP valve then the Remote IP valve
    should be defined before this valve to ensure that the correct client IP
    address is presented to this valve.</p>

  </div></div>

  <div class="subsection"><h4 id="Crawler_Session_Manager_Valve/Attributes">Attributes</h