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NIST 800-53 Moderate-Impact Baseline for Red Hat OpenShift - Node level

Rules and Groups employed by this XCCDF Profile

  • Kubernetes Settings

    Each section of this configuration guide includes information about the configuration of a Kubernetes cluster and a set of recommendations for hard...
    Group
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  • System and Software Integrity

    System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...
    Group
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  • Ensure the Container Runtime rejects unsigned images by default

    <p> The OpenShift Platform allows for verifying the signature of a container image before pulling it. this is done via the policy.js...
    Rule Medium Severity
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  • OpenShift etcd Settings

    Contains rules that check correct OpenShift etcd settings.
    Group
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  • Configure A Unique CA Certificate for etcd

    A unique CA certificate should be created for <code>etcd</code>. OpenShift by default creates separate PKIs for etcd and the Kubernetes API server...
    Rule Medium Severity
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  • 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 ...
    Group
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  • 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
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  • 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
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  • 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
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  • Kubelet - Ensure Event Creation Is Configured

    Security relevant information should be captured. The eventRecordQPS Kubelet option can be used to limit the rate at which events are gathered. Set...
    Rule Medium Severity
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  • 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 exis...
    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 th...
    Rule Medium Severity
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  • 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 n...
    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 n...
    Rule Medium Severity
    Show

  • kubelet - Allow Automatic Firewall Configuration

    The kubelet has the ability to automatically configure the firewall to allow the containers required ports and connections to networking resources ...
    Rule Medium Severity
    Show

  • kubelet - Enable Protect Kernel Defaults

    <p> Protect tuned kernel parameters from being overwritten by the kubelet. </p> <p> Before enabling this kernel parame...
    Rule Medium Severity
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  • kubelet - Set Up Sysctl to Enable Protect Kernel Defaults

    <p> Setup required tuned kernel parameters before enabling overwritten protection. Note that depending on the Linux distribution and...
    Rule Medium Severity
    Show

  • kubelet - Enable Server Certificate Rotation

    To enable the kubelet to rotate server certificates, edit the kubelet configuration file <code>/etc/kubernetes/kubelet.conf</code> on the kubelet n...
    Rule Medium Severity
    Show

  • 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
    Show

  • Ensure Eviction threshold Settings Are Set - evictionHard: imagefs.available

    <p>Two types of garbage collection are performed on an OpenShift Container Platform node:</p> <ul> <li...
    Rule Medium Severity
    Show

  • Ensure Eviction threshold Settings Are Set - evictionHard: memory.available

    <p>Two types of garbage collection are performed on an OpenShift Container Platform node:</p> <ul> <li...
    Rule Medium Severity
    Show

  • Ensure Eviction threshold Settings Are Set - evictionHard: nodefs.available

    <p>Two types of garbage collection are performed on an OpenShift Container Platform node:</p> <ul> <li...
    Rule Medium Severity
    Show

  • Ensure Eviction threshold Settings Are Set - evictionHard: nodefs.inodesFree

    <p>Two types of garbage collection are performed on an OpenShift Container Platform node:</p> <ul> <li...
    Rule Medium Severity
    Show

  • OpenShift - Logging Settings

    Contains evaluations for the cluster's logging configuration settings.
    Group
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  • Record Access Events to Kubernetes Audit Log Directory

    The audit system should collect access events to read the Kubernetes audit log directory. The following audit rule will assure that access to audit...
    Rule Medium Severity
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  • Record Access Events to OAuth Audit Log Directory

    The audit system should collect access events to read the OAuth audit log directory. The following audit rule will assure that access to audit log ...
    Rule Medium Severity
    Show

  • Record Access Events to OpenShift Audit Log Directory

    The audit system should collect access events to read the OpenShift audit log directory. The following audit rule will assure that access to audit ...
    Rule Medium Severity
    Show

  • The Kubernetes Audit Logs Directory Must Have Mode 0700

    To properly set the permissions of /var/log/kube-apiserver/, run the command: 
    $ sudo chmod 0700 /var/log/kube-apiserver/
    Rule Medium Severity
    Show

  • The OAuth Audit Logs Directory Must Have Mode 0700

    To properly set the permissions of /var/log/oauth-apiserver/, run the command: 
    $ sudo chmod 0700 /var/log/oauth-apiserver/
    Rule Medium Severity
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  • The OpenShift Audit Logs Directory Must Have Mode 0700

    To properly set the permissions of <code>/var/log/openshift-apiserver/</code>, run the command: <pre>$ sudo chmod 0700 /var/log/openshift-apiserve...
    Rule Medium Severity
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  • Kubernetes Audit Logs Must Be Owned By Root

    All audit logs must be owned by root user and group. By default, the path for the Kubernetes audit log is <pre>/var/log/kube-apiserver/</pre>. To ...
    Rule Medium Severity
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  • OAuth Audit Logs Must Be Owned By Root

    All audit logs must be owned by root user and group. By default, the path for the OAuth audit log is <pre>/var/log/oauth-apiserver/</pre>. To prop...
    Rule Medium Severity
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  • OpenShift Audit Logs Must Be Owned By Root

    All audit logs must be owned by root user and group. By default, the path for the OpenShift audit log is <pre>/var/log/openshift-apiserver/</pre>. ...
    Rule Medium Severity
    Show

  • Kubernetes Audit Logs Must Have Mode 0600

    To properly set the permissions of /var/log/kube-apiserver/.*, run the command: 
    $ sudo chmod 0600 /var/log/kube-apiserver/.*
    Rule Medium Severity
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  • OAuth Audit Logs Must Have Mode 0600

    To properly set the permissions of <code>/var/log/oauth-apiserver/.*</code>, run the command: <pre>$ sudo chmod 0600 /var/log/oauth-apiserver/.*</...
    Rule Medium Severity
    Show

  • OpenShift Audit Logs Must Have Mode 0600

    To properly set the permissions of <code>/var/log/openshift-apiserver/.*</code>, run the command: <pre>$ sudo chmod 0600 /var/log/openshift-apiser...
    Rule Medium Severity
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  • Ensure /var/log/kube-apiserver Located On Separate Partition

    Kubernetes API server audit logs are stored in the <code>/var/log/kube-apiserver</code> directory. <p> Partitioning Red Hat CoreOS is a Day 1 opera...
    Rule Medium Severity
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  • Ensure /var/log/oauth-apiserver Located On Separate Partition

    OpenShift OAuth server audit logs are stored in the <code>/var/log/oauth-apiserver</code> directory. <p> Partitioning Red Hat CoreOS is a Day 1 ope...
    Rule Medium Severity
    Show

  • Ensure /var/log/openshift-apiserver Located On Separate Partition

    Openshift API server audit logs are stored in the <code>/var/log/openshift-apiserver</code> directory. <p> Partitioning Red Hat CoreOS is a Day 1 o...
    Rule Medium Severity
    Show

  • OpenShift - Master Node Settings

    Contains evaluations for the master node configuration settings.
    Group
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  • Verify Group Who Owns The OpenShift Container Network Interface Files

    To properly set the group owner of /etc/cni/net.d/*, run the command: 
    $ sudo chgrp root /etc/cni/net.d/*
    Rule Medium Severity
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  • Verify Group Who Owns The OpenShift Controller Manager Kubeconfig File

    To properly set the group owner of <code>/etc/kubernetes/static-pod-resources/kube-controller-manager-pod-*/configmaps/controller-manager-kubeconf...
    Rule Medium Severity
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  • Verify Group Who Owns The Etcd Database Directory

    To properly set the group owner of /var/lib/etcd/member/, run the command: 
    $ sudo chgrp root /var/lib/etcd/member/
    Rule Medium Severity
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  • Verify Group Who Owns The Etcd Write-Ahead-Log Files

    To properly set the group owner of /var/lib/etcd/member/wal/*, run the command: 
    $ sudo chgrp root /var/lib/etcd/member/wal/*
    Rule Medium Severity
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  • Verify Group Who Owns The etcd Member Pod Specification File

    To properly set the group owner of <code>/etc/kubernetes/manifests/etcd-pod.yaml</code>, run the command: <pre>$ sudo chgrp root /etc/kubernetes/m...
    Rule Medium Severity
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  • Verify Group Who Owns The Etcd PKI Certificate Files

    To properly set the group owner of <code>/etc/kubernetes/static-pod-resources/*/*/*/*.crt</code>, run the command: <pre>$ sudo chgrp root /etc/kub...
    Rule Medium Severity
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  • Verify Group Who Owns The OpenShift SDN Container Network Interface Plugin IP Address Allocations

    To properly set the group owner of <code>/var/lib/cni/networks/openshift-sdn/.*</code>, run the command: <pre>$ sudo chgrp root /var/lib/cni/netwo...
    Rule Medium Severity
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  • Verify Group Who Owns The Kubernetes API Server Pod Specification File

    To properly set the group owner of <code>/etc/kubernetes/static-pod-resources/kube-apiserver-pod-*/kube-apiserver-pod.yaml</code>, run the command...
    Rule Medium Severity
    Show

  • Verify Group Who Owns The Kubernetes Controller Manager Pod Specification File

    To properly set the group owner of <code>/etc/kubernetes/static-pod-resources/kube-controller-manager-pod-*/kube-controller-manager-pod.yaml</code...
    Rule Medium Severity
    Show

  • Verify Group Who Owns The Kubernetes Scheduler Pod Specification File

    To properly set the group owner of <code>/etc/kubernetes/static-pod-resources/kube-scheduler-pod-*/kube-scheduler-pod.yaml</code>, run the command...
    Rule Medium Severity
    Show

Node 2

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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.

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