[B<-crlf>]
[B<-ign_eof>]
[B<-no_ign_eof>]
+[B<-psk_identity identity>]
+[B<-psk key>]
+[B<-psk_session file>]
[B<-quiet>]
[B<-ssl3>]
[B<-tls1>]
1a2b3c4d.
This option must be provided in order to use a PSK cipher.
+=item B<-psk_session file>
+
+Use the pem encoded SSL_SESSION data stored in B<file> as the basis of a PSK.
+Note that this will only work if TLSv1.3 is negotiated.
+
=item B<-ssl3>, B<-tls1>, B<-tls1_1>, B<-tls1_2>, B<-tls1_3>, B<-no_ssl3>, B<-no_tls1>, B<-no_tls1_1>, B<-no_tls1_2>, B<-no_tls1_3>
These options require or disable the use of the specified SSL or TLS protocols.
[B<-psk_identity val>]
[B<-psk_hint val>]
[B<-psk val>]
+[B<-psk_session file>]
[B<-srpvfile infile>]
[B<-srpuserseed val>]
[B<-ssl3>]
1a2b3c4d.
This option must be provided in order to use a PSK cipher.
+=item B<-psk_session file>
+
+Use the pem encoded SSL_SESSION data stored in B<file> as the basis of a PSK.
+Note that this will only work if TLSv1.3 is negotiated.
+
=item B<-listen>
This option can only be used in conjunction with one of the DTLS options above.