C-0071 - Validate Kubelet TLS configuration

Validate Kubelet TLS configuration

Framework

Description of the the issue

Kubelets are the node level orchestrator in Kubernetes control plane. They are publishing service port 10250 where they accept commands from API server which contain sensitive information. The connection between API server and Kubelet must be encrypted and secured.

Related resources

What does this control tests

Reading the kubelet command lines and configuration file looking for client TLS configuration.

Remediation

Start the kubelet with the --tls-cert-file and --tls-private-key-file flags, providing the X509 certificate and its matching private key.

Example

No example


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