TMAegis
More rules for openshift

TMA-OPENSHIFT-1.2.13

Ensure that the admission control plugin NodeRestriction is set

HighLevel 1Manual reviewopenshift

Description

Limit the Node and Pod objects that a kubelet could modify. The benchmark marks this recommendation Manual.

How it is checked

Audit method: Manual review

This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.

In OpenShift, the NodeRestriction admission plugin is enabled by default. Use the following command to obtain a list of configured admission controllers: oc -n openshift-kube-apiserver get configmap config -o json | jq -r '.data."config.yaml"' | jq '.apiServerArguments."enable-admission-plugins"' Verify the list includes NodeRestriction.

How it is fixed

Fix method: Guidance or infrastructure patch

Enable the NodeRestriction admission plugin.

Properties

Operating systems
Any
Tags
openshiftapi-server
Reference
CIS Red Hat OpenShift Container Platform Benchmark v2.0.0 - 1.2.13 Ensure that the admission control plugin NodeRestriction is set