SSH server authentication type. password(1): Enable password authentication rsa(2): Enable SSHv1 RSA authentication publicKey(3): Enable SSHv2 public key authentication passwordRsa(4): Enable password and sshv1 Rsa authentication passwordPublicKey(5): Enable password and sshv2 public-key authentication. rsaPublicKey(6): Enable sshv1 rsa and sshv2 public-key authentication. all(7): Enable all authentication type. Default value is 5.