3.2.1.3 system account lockdown - sys login

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Information

This change disables direct login access for the sys user account.

This change disables direct local and remote login to the sys user account. It is recommended that a password is not set on this account to ensure that the only access is via su from the root account.

There should not be a requirement to log in as the sys user directly. All users should be given unique logon ids to ensure traceability and accountability.

Solution

Change the login and remote login user flags to disable sys user access-

chuser login=false rlogin=false sys

See Also

https://workbench.cisecurity.org/files/528