1 Long: tlsv1.3 2 Help: Use TLSv1.3 or greater 3 Protocols: TLS 4 Added: 7.52.0 5 Category: tls 6 --- 7 Forces curl to use TLS version 1.3 or later when connecting to a remote TLS 8 server. 9 10 If the connection is done without TLS, this option has no effect. This 11 includes QUIC-using (HTTP/3) transfers. 12 13 Note that TLS 1.3 is not supported by all TLS backends. 14