ORA-01017: OS authentication on Linux Red Hat 6.2 and Oracle 11 g 2

Hello

I try to rockers of authentication OS on Oracle installed 11.2.0.3 on a Red Hat Linux Server 6.2 and it just doesn't work. When I try to connect I always get the error ORA-01017: name of user and password invalid. connection refused

I put the following Oracle parameters:
REMOTE_OS_AUTHENT = TRUE
os_authent_prefix = OPS$

and I created a linux 'oracle' user and the Oracle user "OPS$ oracle."

I know that the setting of remote_os_authent in 11g is depricated but I thought that it should still work, just an error messages takes place so I start the database, but it works as usual, only the authentication of the BONE doesn't seem to work.

Does anyone know where would be the problem?
Oracle said that remote_os_authent is depricated because it's risky, I know, but my database is in a secure environment without any internet connection. What other way is there without using remote_os_authent?

Thank you very much for your help.
Bernhard cordially

Please check:
http://www.Oracle-base.com/articles/Misc/OS-authentication.php

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