Guide to the Secure Configuration of Red Hat OpenShift Container Platform 4
Rules, Groups, and Values defined within the XCCDF Benchmark
-
Configure Kubernetes API Server Maximum Audit Log Size
To rotate audit logs upon reaching a maximum size, edit the <code>openshift-kube-apiserver</code> configmap and set the <code>audit-log-maxsize</code> parameter to an appropriate size in MB. For ex...Rule Medium Severity -
Configure the Audit Log Path
To enable auditing on the Kubernetes API Server, the audit log path must be set. Edit the <code>openshift-kube-apiserver</code> configmap and set the <code>audit-log-path</code> to a suitable path ...Rule High Severity -
The authorization-mode cannot be AlwaysAllow
Do not always authorize all requests.Rule Medium Severity -
Ensure authorization-mode Node is configured
Restrict kubelet nodes to reading only objects associated with them.Rule Medium Severity -
Ensure authorization-mode RBAC is configured
To ensure OpenShift restricts different identities to a defined set of operations they are allowed to perform, check that the API server's <code>authorization-mode</code> configuration option list ...Rule Medium Severity -
Disable basic-auth-file for the API Server
Basic Authentication should not be used for any reason. If needed, edit API Edit the <code>openshift-kube-apiserver</code> configmap and remove the <code>basic-auth-file</code> parameter: <pre> "ap...Rule Medium Severity -
Ensure that the bindAddress is set to a relevant secure port
The bindAddress is set by default to0.0.0.0:6443, and listening with TLS enabled.Rule Low Severity -
Ensure the openshift-oauth-apiserver service uses TLS
By default, the OpenShift API Server uses TLS. HTTPS should be used for connections between openshift-apiserver and kube-apiserver. By default, the OpenShift OAuth API Server uses Intermediate prof...Rule Medium Severity -
Configure the etcd Certificate Authority for the API Server
To ensure etcd is configured to make use of TLS encryption for client connections, follow the OpenShift documentation and setup the TLS connection between the API Server and etcd. Then, verify that...Rule Medium Severity -
Configure the etcd Certificate for the API Server
To ensure etcd is configured to make use of TLS encryption for client communications, follow the OpenShift documentation and setup the TLS connection between the API Server and etcd. Then, verify t...Rule Medium Severity
Node 2
The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.