d_unique_id</code>&nbsp;</td>
    <td>&nbsp;Generate a guaranteed unique ID for each session; see <a href="../contrib/mod_unique_id.html">module doc</a> for more&nbsp;</td>
  </tr>

  <tr>
    <td>&nbsp;<code>mod_wrap</code>&nbsp;</td>
    <td>&nbsp;Use popular <code>tcp_wrappers</code> for client ACLs; see <a href="../contrib/mod_wrap.html">module doc</a> for details&nbsp;</td>
  </tr>

  <tr>
    <td>&nbsp;<code>mod_wrap2</code>&nbsp;</td>
    <td>&nbsp;Enhanced support for client ACLs; see <a href="../co