Ensure that the controller manager pod specification file has permissions of 600 or more restrictive. Rationale: The controller manager pod specification file controls various parameters that set the behavior of the Controller Manager on the master node. You should restrict its file permissions to maintain the integrity of the file. The file should be writable by only the administrators on the system. Impact: None NOTE: Nessus has not performed this check. Please review the benchmark to ensure target compliance.
Solution
execute command: chmod 600 /etc/kubernetes/static-pod-resources/kube-controller-manager-pod.yaml Default Value: By default, in OpenShift 4, the kube-controller-manager-pod.yaml file has permissions of 644.