Ensure default group for the root account is GID 0

Information

Using GID 0 for the root account helps prevent root -owned files from accidentally becoming accessible to non-privileged users.

Solution

Run the following command to set the root user default group to GID 0: # usermod -g 0 root

See Also

https://www.cisco.com/c/en/us/td/docs/security/firepower/623/configuration/guide/fpmc-config-guide-v623.html