SQLNET.ALLOWED_LOGON_VERSION_CLIENT = 11
SQLNET.ALLOWED_LOGON_VERSION_SERVER = 11

SQLNET.CRYPTO_CHECKSUM_CLIENT = requested
SQLNET.CRYPTO_CHECKSUM_SERVER = required
SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT = (SHA1, SHA256, SHA384, SHA512)
SQLNET.CRYPTO_CHECKSUM_TYPES_SERVER = (SHA1, SHA256, SHA384, SHA512)

SQLNET.ENCRYPTION_CLIENT = requested
SQLNET.ENCRYPTION_SERVER = required
SQLNET.ENCRYPTION_TYPES_CLIENT = (aes128, aes192, aes256)
SQLNET.ENCRYPTION_TYPES_SERVER = (aes128, aes192, aes256)