| AuthenticationType | Available types of client authentication |
| SSHAuthenticationType | Available authentication types for the server |
| SSHCipherAlgorithm | Available cipher algorithms for packet encryption |
| SSHCompressionAlgorithm | Available compression algorithms |
| SSHKeyExchangeMethod | Available key exchange methods |
| SSHMACAlgorithm | Available MAC algorithms |
| SSHPublicKeyAlgorithm | Available public key algorithms for authentication |