1 Short: 1 2 Long: tlsv1 3 Tags: Versions 4 Protocols: SSL 5 Added: 6 Mutexed: tlsv1.1 tlsv1.2 7 Requires: TLS 8 See-also: http1.1 http2 9 Help: Use TLSv1.0 or greater 10 --- 11 Forces curl to use TLS version 1.x when negotiating with a remote TLS server. 12 You can use options --tlsv1.0, --tlsv1.1, --tlsv1.2, and --tlsv1.3 to control 13 the TLS version more precisely (if the SSL backend in use supports such a 14 level of control). 15