xref: /curl/docs/cmdline-opts/tlsv1.3.md (revision fe9f68fa) 
1---
2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
3SPDX-License-Identifier: curl
4Long: tlsv1.3
5Help: TLSv1.3 or greater
6Protocols: TLS
7Added: 7.52.0
8Category: tls
9Multi: mutex
10See-also:
11  - tlsv1.2
12  - tls-max
13Example:
14  - --tlsv1.3 $URL
15---
16
17# `--tlsv1.3`
18
19Forces curl to use TLS version 1.3 or later when connecting to a remote TLS
20server.
21
22If the connection is done without TLS, this option has no effect. This
23includes QUIC-using (HTTP/3) transfers.
24
25Note that TLS 1.3 is not supported by all TLS backends.
26