ction">Shutting down the connection</a></li>
      <li><a href="#Final-clean-up">Final clean up</a></li>
    </ul>
  </li>
  <li><a href="#TROUBLESHOOTING">TROUBLESHOOTING</a>
    <ul>
      <li><a href="#Failure-to-connect-the-underlying-socket">Failure to connect the underlying socket</a></li>
      <li><a href="#Verification-failure-of-the-server-certificate">Verification failure of the server certificate</a></li>
    </ul>
  </li>
  <li><a href="#FURTHER-READING">FURTHER READING</a></li>
  <li><a href="