 and
        the proxy is modifying the URI passed to Tomcat such that DIGEST
        authentication always fails.</p>
      </td></tr></table>

  </div></div>

</div></div>


<div class="subsection"><h4 id="Form_Authenticator_Valve">Form Authenticator Valve</h4><div class="text">

  <div class="subsection"><h4 id="Form_Authenticator_Valve/Introduction">Introduction</h4><div class="text">

    <p>The <strong>Form Authenticator Valve</strong> is automatically added to
    any <a href="context.html">Context</