         <td><i>Symmetric NAT</i></td>
          </tr>
          <tr>
            <td><i>Full cone NAT</i></td>
            <td>YES</td>
            <td>YES</td>
            <td>YES</td>
            <td>YES</td>
          </tr>
          <tr>
            <td><i>Address-Restricted cone NAT</i></td>
            <td>YES</td>
            <td>YES</td>
            <td>YES</td>
            <td>YES</td>
          </tr>
          <tr>
            <td><i>Port-Restricted cone NAT</i></td>
           