-.\" $OpenBSD: SSL_alert_type_string.3,v 1.5 2018/03/27 17:35:50 schwarze Exp $
+.\" $OpenBSD: SSL_alert_type_string.3,v 1.6 2024/10/09 08:22:28 tb Exp $
.\" OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100
.\"
.\" This file was written by Lutz Jaenicke <jaenicke@openssl.org>.
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
.\" OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: March 27 2018 $
+.Dd $Mdocdate: October 9 2024 $
.Dt SSL_ALERT_TYPE_STRING 3
.Os
.Sh NAME
An internal error unrelated to the peer or the correctness of the protocol
makes it impossible to continue (such as a memory allocation failure).
This message is always fatal.
+.It \(dqIF\(dq/\(dqinappropriate fallback\(dq
+Sent by a server in response to an invalid connection retry attempt from
+a client (see RFC 7507).
.It \(dqUS\(dq/\(dquser canceled\(dq
This handshake is being canceled for some reason unrelated to a protocol
failure.
.It \(dqUP\(dq/\(dqunknown PSK identity\(dq
Sent by the server to indicate that it does not recognize a PSK identity or an
SRP identity.
+.It \(dqCQ\(dq/\(dqcertificate required\(dq
+Sent by servers when a client certificate is desired byt none was provided
+by the client.
+.It \(dqAP\(dq/\(dqno application protocol\(dq
+Sent by servers when a client ALPN extension advertises only protocols that
+the server does not support (see RFC 7301).
.It \(dqUK\(dq/\(dqunknown\(dq
This indicates that no description is available for this alert type.
Probably