API

The kubelet read-only port should be disabled

Docs > Datadog Security > OOTB Rules > The kubelet read-only port should be disabled

Set up the kubernetes integration.

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Description

The read-only port should be disabled. The Kubelet process provides a read-only API in addition to the main Kubelet API. Unauthenticated access is provided to this read-only API which could possibly retrieve potentially sensitive information about the cluster.

Remediation

If using a Kubelet config file, edit the file to set readOnlyPort to 0.
If using command line arguments, edit the kubelet service file /etc/systemd/system/kubelet.service.d/10-kubeadm.conf on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.

--read-only-port=0

Restart the kubelet service.