Oracle Database Error Solutions – Easy & Practical Guides

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sys / as sysdba should require a password



sys / as sysdba should require a password

Applies to:
            Enterprise Linux – Version: 5

Description:
            Sqlplus / as sysdba connections go through OS authentication rather than database authentication. Any user with OS access can log into database irrespective of valid account available in database. Sys / as sysdba could not login without a password.
How can we control OS authentication to stop any OS user to login as SYSDBA?

Solution:
Set the following parameter in init.ora file:
REMOTE_OS_AUTHENT = FALSE

open sqlnet.ora file and set the following parameter:
SQLNET.AUTHENTICATION_SERVICES=(NONE)

save and exit file.

now you cannot login "sys / as sysdba" without password.


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