der</strong> indicates <code>https</code>
         protocol and no <strong>portHeader</strong> is present. If not
         specified, the default of <code>443</code> is used.</p>
      </td></tr><tr><td><code class="attributeName">changeLocalPort</code></td><td>
        <p>If <code>true</code>, the value returned by
        <code>ServletRequest.getLocalPort()</code> and
        <code>ServletRequest.getServerPort()</code> is modified by the this
        valve. If not specified, the default of <code>false</co