ns above. With this option, this command will listen on a UDP port for incoming connections. Any ClientHellos that arrive will be checked to see if they have a cookie in them or not. Any without a cookie will be responded to with a HelloVerifyRequest. If a ClientHello with a cookie is received then this command will connect to that peer and complete the handshake.</p>

</dd>
<dt id="sctp"><b>-sctp</b></dt>
<dd>

<p>Use SCTP for the transport protocol instead of UDP in DTLS. Must be used in conjunction with 