ORA-28040: No matching authentication protocol

Sqlnet.ora文件权限

vim /u01/app/oracle/product/11.2.0.2/dbhome_1/network/admin/sqlnet.ora

SQLNET.ALLOWED_LOGON_VERSION =9

[oracle@DG02 dbs]$ lsnrctl stop

 

[oracle@DG02 dbs]$ lsnrctl start

 

[oracle@DG02 dbs]$ dba

 

SQL*Plus: Release 11.2.0.2.0 Production on Fri Jan 30 17:34:18 2015

 

Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 

 

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

 

SQL> shutdown abort

ORACLE instance shut down.

SQL> startup nomount

ORACLE instance started.

 

Total System Global Area  839282688 bytes

Fixed Size                  2231128 bytes

Variable Size             524289192 bytes

Database Buffers          310378496 bytes

Redo Buffers                2383872 bytes