c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Short: 1 Long: tlsv1 Tags: Versions Protocols: TLS Added: 7.9.2 Mutexed: tlsv1.1 tlsv1.2 tlsv1.3 Requires: TLS Help: TLSv1.0 or greater Category: tls Multi: mutex See-also:
--tlsv1
Use at least TLS version 1.x when negotiating with a remote TLS server. That means TLS version 1.0 or higher