1.1.18 Ensure that the controller-manager.conf file ownership is set to root:root

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Information

Ensure that the controller-manager.conf file ownership is set to root:root.

Rationale:

The controller-manager.conf file is the kubeconfig file for the Controller Manager. You should set its file ownership to maintain the integrity of the file. The file should be owned by root:root.

Impact:

None

Solution

Run the below command (based on the file location on your system) on the Control Plane node. For example,

chown root:root /etc/kubernetes/controller-manager.conf

Default Value:

By default, controller-manager.conf file ownership is set to root:root.

See Also

https://workbench.cisecurity.org/benchmarks/11107