TWO_TASK settings prevents the OS authenticated the user DB

Hi all
I am facing problem while connecting to an OS authenticated database user.
I install an application that a first affects the TWO_TASK parameter in the name of the database (e.g. TWO_TASK = DMDB. Here DMDB is also ORACLE_SID) then attempts to connect to the database with a user (say appuser) which is externally authenticated by the operating system.
But the connection fails with an error:

*****
ERROR:
ORA-01017: name of user and password invalid. connection refused


SP2-0751: unable to connect to Oracle. Exit SQL * more

******

I'm working on SunOS and Oracle db is 9iR2.

Also note that authenticated users are still able to connect.
This user (appuser) is created by the application itself as an external user and therefore cannot be changed. And in this scenario, TWO_TASK variable cannot be disabled.

Help, please. Thanks in advance...


Suggest also if I need to configure sqlnet.ora (I still did)?

Remote_login_passwordfile = EXCLUSIVE lock


Kind regards
Saket BB

This parameter is mandatory (TRUE) If you want SQLNet connections (TWO_TASK is a SQLNet connection) could have been authenticated by the remote host.

Oracle recommend that DO NOT serve as a security breach.
(you can think of ways to use!)

See
http://download.Oracle.com/docs/CD/B10501_01/server.920/a96536/ch1178.htm#REFRN10185

This shows how much it should normally be set to FALSE
http://download.Oracle.com/docs/CD/B10501_01/network.920/a96573/asoauth.htm#1005059

Tags: Database

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