 has succeeded.</p>

<p>If DTLS is used over UDP (or any datagram based protocol that does not validate the source IP) then it is susceptible to this type of attack. TLSv1.3 is designed to operate over a stream-based transport protocol (such as TCP). If TCP is being used then there is no need to use SSL_stateless(). However, some stream-based transport protocols (e.g. QUIC) may not validate the source address. In this case a TLSv1.3 application would be susceptible to this attack.</p>

<p>As a countermeasur