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Assessment Title
Rule Text
The Kubernetes Kubelet must have anonymous authentication disabled.
Description
Discussion Text
A user who has access to the Kubelet essentially has root access to the nodes contained within the Kubernetes Control Plane. To control access, users must be authenticated and authorized. By allowing anonymous connections, the controls put in place to secure the Kubelet can be bypassed.
Setting anonymous authentication to "false" also disables unauthenticated requests from kubelets.
While there are instances where anonymous connections may be needed (e.g., health checks) and Role-Based Access Controls (RBAC) are in place to limit the anonymous access, this access must be disabled and only enabled when necessary.
Setting anonymous authentication to "false" also disables unauthenticated requests from kubelets.
While there are instances where anonymous connections may be needed (e.g., health checks) and Role-Based Access Controls (RBAC) are in place to limit the anonymous access, this access must be disabled and only enabled when necessary.
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