NIST 800-53 High-Impact Baseline for Red Hat OpenShift - Platform level
Rules and Groups employed by this XCCDF Profile
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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</cod...Rule Medium Severity -
kubelet - Disable the Read-Only Port
To disable the read-only port, edit the kubelet configuration Edit the <code>openshift-kube-apiserver</code> configmap and set the <code>kubelet-re...Rule Medium Severity -
OpenShift - Logging Settings
Contains evaluations for the cluster's logging configuration settings.Group -
Ensure that Audit Log Errors Emit Alerts
<p> OpenShift audit works at the API server level, logging all requests coming to the server. However, if API server instance is unable to write er...Rule High Severity -
Ensure that Audit Log Forwarding Uses TLS
<p> OpenShift audit works at the API server level, logging all requests coming to the server. Audit is on by default and the best pr...Rule Medium Severity -
Ensure that the cluster's audit profile is properly set
<p> OpenShift can audit the details of requests made to the API server through the standard Kubernetes audit capabilities. </p> ...Rule Medium Severity -
Ensure that OpenShift Logging Operator is scanning the cluster
OpenShift Logging Operator provides ability to aggregate all the logs from the OpenShift Container Platform cluster, such as node system audit logs...Rule Medium 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 -
Ensure that cluster-wide proxy is set
<p> Production environments can deny direct access to the Internet and instead have an HTTP or HTTPS proxy available. </p> ...Rule Medium Severity -
Ensure that the CNI in use supports Network Policies
There are a variety of CNI plugins available for Kubernetes. If the CNI in use does not support Network Policies it may not be possible to effectiv...Rule High Severity -
Ensure that HyperShift Hosted Namespaces have Network Policies defined.
Use network policies to isolate traffic in your cluster network.Rule High Severity -
Ensure that application Namespaces have Network Policies defined.
Use network policies to isolate traffic in your cluster network.Rule High Severity -
Ensure that the default Ingress CA (wildcard issuer) has been replaced
Check that the default Ingress CA has been replaced.Rule Medium Severity -
Ensure that the default Ingress certificate has been replaced
Check that the default Ingress certificate has been replaced.Rule Medium Severity -
Ensure IngressController is configured to use secure tlsSecurityProfile
<p> The configuration <code>tlsSecurityProfile</code> specifies TLS configurations to be used while establishing connections with th...Rule Medium Severity -
Ensure that all Routes has rate limit enabled
OpenShift has an option to set the IP whitelist for Routes [1] when creating new Routes. All routes outside the openshift namespaces and the kube ...Rule Medium Severity -
Ensure that all OpenShift Routes prefer TLS
OpenShift Container Platform provides methods for communicating from outside the cluster with services running in the cluster. TLS must be used to ...Rule Medium Severity -
Ensure that all Routes has rate limit enabled
OpenShift has an option to set the rate limit for Routes [1] when creating new Routes. All routes outside the openshift namespaces and the kube nam...Rule Medium Severity -
OpenShift API Server
This section contains recommendations for openshift-apiserver configuration.Group -
Configure the OpenShift API Server Maximum Retained Audit Logs
To configure how many rotations of audit logs are retained, edit the <code>openshift-apiserver</code> configmap and set the <code>audit-log-maxback...Rule Low Severity
Node 2
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