1 Long: tls13-ciphers 2 Arg: <list of TLS 1.3 ciphersuites> 3 help: TLS 1.3 cipher suites to use 4 Protocols: TLS 5 --- 6 Specifies which cipher suites to use in the connection if it negotiates TLS 7 1.3. The list of ciphers suites must specify valid ciphers. Read up on TLS 1.3 8 cipher suite details on this URL: 9 10 https://curl.haxx.se/docs/ssl-ciphers.html 11 12 This option is currently used only when curl is built to use OpenSSL 1.1.1 or 13 later. If you are using a different SSL backend you can try setting TLS 1.3 14 cipher suites by using the --ciphers option. 15 16 If this option is used several times, the last one will be used. 17