c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Long: tlsv1.3 Help: TLSv1.3 or greater Protocols: TLS Added: 7.52.0 Category: tls Multi: mutex See-also:
--tlsv1.3
Forces curl to use TLS version 1.3 or later when connecting to a remote TLS server.
If the connection is done without TLS, this option has no effect. This includes QUIC-using (HTTP/3) transfers.
Note that TLS 1.3 is not supported by all TLS backends.