Jdbc Thin With Aso Sqlnet.Encryption_client=Rejected Setting Allows Connection
(Doc ID 421773.1)
Last updated on JULY 27, 2018
Applies to:JDBC - Version 10.2.0.1 and later
Advanced Networking Option - Version 10.2.0.1 and later
Information in this document applies to any platform.
Connecting using JDBC/thin 10.2.0.x driver to a database using a listener that is configured using the following sqlnet.ora:
SQLNET.ENCRYPTION_SERVER = required
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
SQLNET.CRYPTO_SEED = '1234567890'
SQLNET.CRYPTO_CHECKSUM_SERVER = required
The java properties used for the JDBC/thin connection appear to be ignored. As a result the
default behaviour of the JDBC/thin is to use "ACCEPTED" which as the effect of accepting the
props.put("ORACLE.NET.ENCRYPTION_TYPES_CLIENT", "( RC4_40 )");
props.put("ORACLE.NET.CRYPTO_CHECKSUM_TYPES_CLIENT", "( MD5 )");
OracleDataSource ods = new OracleDataSource();
The JDBC/thin client connects to the database which is unexpected since the client is requesting an unencrypted connection while the server is requiring encryption.
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