Any ideas on this one? My sqlnet.ora file on the server side now includes the following variables added by NetManager. Again, I have gone into NetManager and attempted to set the values for Profiles> Advanced Security> Encryption. However, even with ENCRYPTION_SERVER set at required, I can connect with any client.

SQLNET.AUTHENTICATION_SERVICES= (BEQ, TCPS, NTS)
SSL_VERSION = 3.0
SQLNET.ENCRYPTION_SERVER = required
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
SSL_CLIENT_AUTHENTICATION = TRUE
SQLNET.CRYPTO_SEED = 'ghfdfsffdsfgg'
SQLNET.ENCRYPTION_TYPES_SERVER= (AES256)
WALLET_LOCATION =
(SOURCE =
(METHOD = FILE)
(METHOD_DATA =
(DIRECTORY = C:\Documents and Settings\my.name\ORACLE\WALLETS)
)
)