 family set to AF_UNSPEC. Typically user code is expected to &quot;connect&quot; the underlying socket to the peer and continue the handshake in a connected state.</p>

<p>Warning: It is essential that the calling code connects the underlying socket to the peer after making use of DTLSv1_listen(). In the typical case where <a href="../man3/BIO_s_datagram.html">BIO_s_datagram(3)</a> is used, the peer address is updated when receiving a datagram on an unconnected socket. If the socket is not connected, it can