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Guide to the Secure Configuration of Amazon Elastic Kubernetes Service

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Configure Kubelet use of the Strong Cryptographic Ciphers

    Cryptographic Ciphers Available for Kubelet
    Value
  • Configure Kubelet to use secure TLS version

    Secure version of TLS available for configuring Kubelet
    Value
  • Configure Kubelet to use secure TLS version

    TLS versions available for configuring Kubelet, excluding insecure versions
    Value
  • Configure which node to scan based on role

    Configure which node to scan based on role
    Value
  • Configure which node to scan based on role

    Configure which node to scan based on role
    Value
  • Streaming Connection Timeout Options

    Time until connection timeouts. Use (s) for seconds, (m) for minutes, and (h) for hours.
    Value
  • Disable Anonymous Authentication to the Kubelet

    By default, anonymous access to the Kubelet server is enabled. This configuration check ensures that anonymous requests to the Kubelet server are d...
    Rule Medium Severity
  • Ensure authorization is set to Webhook

    Unauthenticated/unauthorized users should have no access to OpenShift nodes. The Kubelet should be set to only allow Webhook authorization. To ensu...
    Rule Medium Severity
  • kubelet - Configure the Client CA Certificate

    By default, the kubelet is not configured with a CA certificate which can subject the kubelet to man-in-the-middle attacks. To configure a client ...
    Rule Medium Severity
  • kubelet - Hostname Override handling

    Normally, OpenShift lets the kubelet get the hostname from either the cloud provider itself, or from the node's hostname. This ensures that the PKI...
    Rule Low Severity
  • kubelet - Enable Certificate Rotation

    To enable the kubelet to rotate client certificates, edit the kubelet configuration file <code>/etc/kubernetes/kubelet/kubelet-config.json</code> o...
    Rule Medium Severity
  • kubelet - Enable Client Certificate Rotation

    To enable the kubelet to rotate client certificates, edit the kubelet configuration file <code>/etc/kubernetes/kubelet/kubelet-config.json</code> o...
    Rule Medium Severity
  • kubelet - Enable Protect Kernel Defaults

    Protect tuned kernel parameters from being overwritten by the kubelet.

    Rule Medium Severity
  • kubelet - Do Not Disable Streaming Timeouts

    Timouts for streaming connections should not be disabled as they help to prevent denial-of-service attacks. To configure streaming connection timeo...
    Rule Medium Severity
  • kubelet - Do Not Disable Streaming Timeouts

    Timeouts for streaming connections should not be disabled as they help to prevent denial-of-service attacks. To configure streaming connection time...
    Rule Medium Severity
  • kubelet - Ensure that the --read-only-port is secured

    Disable the read-only port.
    Rule Medium Severity
  • OpenShift - Logging Settings

    Contains evaluations for the cluster's logging configuration settings.
    Group
  • Configure the OpenShift Audit Profile

    Audit log profiles define how to log requests that come to the OpenShift API server, the Kubernetes API server, and the OAuth API server.
    Value
  • Ensure Audit Logging is Enabled

    The audit logs are part of the EKS managed Kubernetes control plane logs that are managed by Amazon EKS. Amazon EKS is integrated with AWS CloudTra...
    Rule Unknown Severity
  • Kubernetes - Network Configuration and Firewalls

    Most systems must be connected to a network of some sort, and this brings with it the substantial risk of network attack. This section discusses th...
    Group

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