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Setting appropriate access permissions for critical files such as the database's main configuration

in Database Administration (MOSC) 1 commentAnswered

During the security authentication review, the client was advised to set access permissions for critical files such as the database's main configuration file and password file.

AS-IS

-rwxr-x--x 1 oracle oinstall   179120 Aug 23 2022 lsnrctl

-rwxr-xr-x 1 oracle oinstall        0 May 4 2021 lsnrctl0

Could you let me know if there would be any impact on the system if the changes below were made?

TO-BE

-rw-r--r-- 1 oracle oinstall 7381 Oct 21 2002 /u01/app/oracle/product/11.2.0.4/dbhome_1/srvm/admin/init.ora

-rw-r--r-- 1 oracle oinstall 489 Aug 24 2013 /u01/app/oracle/product/11.2.0.4/dbhome_1/hs/admin/initdg4odbc.ora

-rw-r--r-- 1 oracle oinstall 2851 May 15 2009 /u01/app/oracle/product/11.2.0.4/dbhome_1/dbs/init.ora

-rw-r----- 1 oracle oinstall 44 Aug 23 2022 /u01/app/oracle/product/

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