ssh -c

      -c cipher_spec
              Selects the cipher specification for encrypting the
              session.  cipher_spec is a comma-separated list of ciphers
              listed in order of preference.  See the Ciphers keyword in
              ssh_config(5) for more information.

See also

• SSH: ssh, TLS, .ppk, .pem, .crt, .pub, ED25519, Key exchange method (KEX), public key, private key, ssh -Q kex, IAMUserSSHKeys, known_hosts, ssh tunnel, Dropbear, ssh -o, ~/.ssh/config
• Cipher, Stream cipher, RC4