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Guide to the Secure Configuration of Red Hat OpenShift Container Platform 4

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure that the bind-address parameter is not used

    The Scheduler API service which runs on port 10251/TCP by default is used for health and metrics information and is available without authenticatio...
    Rule Medium Severity
  • Ensure that the port parameter is zero

    The Scheduler API service which runs on port 10251/TCP by default is used for health and metrics information and is available without authenticatio...
    Rule Medium Severity
  • Kubernetes Secrets Management

    Secrets let you store and manage sensitive information, such as passwords, OAuth tokens, and ssh keys. Such information might otherwise be put in a...
    Group
  • Verify User Who Owns The Worker Kubeconfig File

    To properly set the owner of /var/lib/kubelet/kubeconfig, run the command:
    $ sudo chown root /var/lib/kubelet/kubeconfig 
    Rule Medium Severity
  • Consider external secret storage

    Consider the use of an external secrets storage and management system, instead of using Kubernetes Secrets directly, if you have more complex secre...
    Rule Medium Severity
  • Do Not Use Environment Variables with Secrets

    Secrets should be mounted as data volumes instead of environment variables.
    Rule Medium Severity
  • Kubernetes - Worker Node Settings

    Contains evaluations for the worker node configuration settings.
    Group
  • Verify Group Who Owns The Kubelet Configuration File

    To properly set the group owner of <code>/etc/kubernetes/kubelet.conf</code>, run the command: <pre>$ sudo chgrp root /etc/kubernetes/kubelet.conf...
    Rule Medium Severity
  • Verify Group Who Owns The Worker Proxy Kubeconfig File

    To ensure the Kubernetes ConfigMap is mounted into the sdn daemonset pods with the correct ownership, make sure that the <code>sdn-config</code> Co...
    Rule Medium Severity
  • Verify Group Who Owns the Worker Certificate Authority File

    To properly set the group owner of <code>/etc/kubernetes/kubelet-ca.crt</code>, run the command: <pre>$ sudo chgrp root /etc/kubernetes/kubelet-ca...
    Rule Medium Severity

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