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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

  • Verify Permissions on the pod log files

    All logs must be owned by root user and group and have permissions 755. By default, the path for the Kubernetes pod logs is 
    /var/log/pods/
    .
    Rule Medium Severity
    Show

  • Apply Security Context to Your Pods and Containers

    Apply Security Context to your Pods and Containers
    Rule Medium Severity
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  • The default namespace should not be used

    Kubernetes provides a default namespace, where objects are placed if no namespace is specified for them. Placing objects in this namespace makes application of RBAC and other controls more difficult.
    Rule Medium Severity
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  • Ensure Seccomp Profile Pod Definitions

    Enable default seccomp profiles in your pod definitions.
    Rule Medium Severity
    Show

  • Create administrative boundaries between resources using namespaces

    Use namespaces to isolate your Kubernetes objects.
    Rule Medium Severity
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  • Ensure that GitOps Operator is deployed

    Red Hat OpenShift GitOps is a declarative continuous delivery platform based on Argo CD. It enables teams to adopt GitOps principles for managing cluster configurations and automating secure and re...
    Rule Medium Severity
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  • Ensure that the kubeadmin secret has been removed

    The kubeadmin user is meant to be a temporary user used for bootstrapping purposes. It is preferable to assign system administrators whose users are backed by an Identity Provider. <br> Make sure ...
    Rule Medium Severity
    Show

  • Ensure that the OpenShift OAuth login template is set

    A legal notice can be configured via a customized login template. <br> This is achievable via the OAuth object by creating a custom login page, storing it in a Kubernetes Secret and referencing it...
    Rule Medium Severity
    Show

  • Ensure that the OpenShift OAuth provider selection is set

    Custom login pages can be helpful to show users a branded page that they trust and expect before being redirected to the authentication provider. <br> This is achievable via the OAuth object by cr...
    Rule Medium Severity
    Show

  • Ensure That The kubelet Client Certificate Is Correctly Set

    To ensure the kubelet TLS client certificate is configured, edit the kubelet configuration file <code>/etc/kubernetes/kubelet.conf</code> and configure the kubelet certificate file. <pre>tlsCertFil...
    Rule Medium Severity
    Show

  • Ensure that project templates autocreate Resource Quotas

    <p> Configure a template for newly created projects to use default resource quotas and make sure this template is referenced from the default project template. </p> <p>...
    Rule Medium Severity
    Show

  • Ensure that project config references a project template

    The OpenShift Container Platform API server automatically provisions new projects based on the project template that is identified by the <code>projectRequestTemplate</code> parameter in the cluste...
    Rule Medium Severity
    Show

  • Ensure that project templates autocreate Resource Quotas

    Configure a template for newly created projects to use default resource quotas and make sure this template is referenced from the default project template. For more information, follow <a href="ht...
    Rule Medium Severity
    Show

  • Ensure that all daemonsets has resource limits

    When deploying an application, it is important to tune based on memory and CPU consumption, allocating enough resources for the application to function properly. Images provided by OpenShift Dedica...
    Rule Medium Severity
    Show

  • Ensure That The kubelet Client Certificate Is Correctly Set

    To ensure the kubelet TLS client certificate is configured, edit the kubelet configuration file <code>/etc/kubernetes/kubelet.conf</code> and configure the kubelet certificate file. <pre>tlsCertFil...
    Rule Medium Severity
    Show

  • Ensure that all deployments has resource limits

    When deploying an application, it is important to tune based on memory and CPU consumption, allocating enough resources for the application to function properly. Images provided by OpenShift Dedica...
    Rule Medium Severity
    Show

  • Ensure that all statefulsets has resource limits

    When deploying an application, it is important to tune based on memory and CPU consumption, allocating enough resources for the application to function properly. Images provided by OpenShift Dedica...
    Rule Medium Severity
    Show

  • Ensure workloads use resource requests and limits per namespace

    There are two ways to enable resource requests and limits. To create either: A multi-project quota, defined by a ClusterResourceQuota object, allows quotas to be shared across multiple projects. ...
    Rule Medium Severity
    Show

  • Ensure TLS v1.2 is minimum for Openshift APIServer

    Verify tls version for the openshift APIServer.
    Rule Medium Severity
    Show

  • Ensure TLS v1.2 is minimum for Openshift Router

    Verify tls version for the Openshift Router.
    Rule Medium Severity
    Show

  • This is a helper rule to fetch the required api resource for detecting HyperShift OCP version

    no description
    Rule Medium Severity
    Show

  • This is a helper rule to fetch the required api resource for detecting OCP version

    no description
    Rule Medium Severity
    Show

  • Kubernetes Kubelet Settings

    The Kubernetes Kubelet is an agent that runs on each node in the cluster. It makes sure that containers are running in a pod. The kubelet takes a set of PodSpecs that are provided through various ...
    Group
    Show

  • Configure Kubelet Event Limit

    Maximum event creations per second.
    Value
    Show

  • Configure Kubelet EvictionHard Image FS Available

    Image FS Available for the EvictionHard threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionHard Image FS inodes Free

    Image FS inodes Free for the EvictionHard threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionHard Memory Available

    Memory Available for the EvictionHard threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionHard NodeFS Available

    Node FS Available for the EvictionHard threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionHard Node FS inodes Free

    Node FS inodes Free for the EvictionHard threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionSoft Image FS Available

    Image FS Available for the EvictionSoft threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionSoft Image FS inodes Free

    Image FS inodes Free for the EvictionSoft threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionSoft Memory Available

    Memory Available for the EvictionSoft threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionSoft NodeFS Available

    Node FS Available for the EvictionSoft threshold to trigger.
    Value
    Show

  • Configure Kubelet EvictionSoft Node FS inodes Free

    Node FS inodes Free for the EvictionSoft threshold to trigger.
    Value
    Show

  • Configure Kubelet use of the Strong Cryptographic Ciphers

    Cryptographic Ciphers Available for Kubelet, separated by comma
    Value
    Show

  • Configure Kubelet use of the Strong Cryptographic Ciphers

    Cryptographic Ciphers Available for Kubelet
    Value
    Show

  • Configure Kubelet to use secure TLS version

    Secure version of TLS available for configuring Kubelet
    Value
    Show

  • Configure Kubelet to use secure TLS version

    TLS versions available for configuring Kubelet, excluding insecure versions
    Value
    Show

  • 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 ensure that the Kubelet requires authorization, valida...
    Rule Medium Severity
    Show

  • 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 CA certificate, edit the kubelet configuration fil...
    Rule Medium Severity
    Show

  • Ensure That The kubelet Server Key Is Correctly Set

    To ensure the kubelet TLS private server key certificate is configured, edit the kubelet configuration file <code>/etc/kubernetes/kubelet.conf</code> and configure the kubelet private key file. <pr...
    Rule Medium Severity
    Show

  • Ensure that the Kubelet only makes use of Strong Cryptographic Ciphers

    Ensure that the Kubelet is configured to only use strong cryptographic ciphers. To set the cipher suites for the kubelet, create new or modify existing <code>KubeletConfig</code> object along these...
    Rule Medium Severity
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  • Ensure that the Ingress Controller only makes use of Strong Cryptographic Ciphers

    Ensure that the Ingress Controller is configured to only use strong cryptographic ciphers.
    Rule Medium Severity
    Show

  • Ensure that the Kubernetes API Server Operator only makes use of Strong Cryptographic Ciphers

    Ensure that the Kubernetes API Server Operator is configured to only use strong cryptographic ciphers.
    Rule Medium Severity
    Show

  • Ensure that the OpenShift API Server Operator only makes use of Strong Cryptographic Ciphers

    Ensure that the OpenShift API Server Operator is configured to only use strong cryptographic ciphers.
    Rule Medium Severity
    Show

  • Ensure Kubelet is configured with allowed TLS versions

    <p> The configuration <code>tlsSecurityProfile</code> specifies TLS configurations to be used while establishing connections with the externally exposed servers. Though secure transp...
    Rule Medium Severity
    Show

  • 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 allocated by the deployment uses the appropriate ...
    Rule Low Severity
    Show

  • 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
    Show

  • kubelet - Enable Certificate Rotation

    To enable the kubelet to rotate client certificates, edit the kubelet configuration file <code>/etc/kubernetes/kubelet.conf</code> on the kubelet node(s) and set the below parameter: <pre> ... rota...
    Rule Medium Severity
    Show

  • kubelet - Enable Client Certificate Rotation

    To enable the kubelet to rotate client certificates, edit the kubelet configuration file <code>/etc/kubernetes/kubelet.conf</code> on the kubelet node(s) and set the below parameter: <pre> featureG...
    Rule Medium Severity
    Show

Node 2

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