c: Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: ciphers Arg: Help: SSL ciphers to use Protocols: TLS Category: tls See-also: tlsv1.3 Example: --ciphers ECDHE-ECDSA-AES256-CCM8 $URL Added: 7.9 --- Specifies which ciphers to use in the connection. The list of ciphers must specify valid ciphers. Read up on SSL cipher list details on this URL: https://curl.se/docs/ssl-ciphers.html If this option is used several times, the last one will be used.