Skip to content
Log In

Guide to the Secure Configuration of Amazon Elastic Kubernetes Service

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Root of files obtained from OCP nodes

    When scanning OpenShift clusters, some settings are not exposed as files. In the case that they are exported from the cluster (typically as yaml files), this variable determines the directory where...
    Value
    Show

  • Kubernetes Settings

    Each section of this configuration guide includes information about the configuration of a Kubernetes cluster and a set of recommendations for hardening the configuration. For each hardening recomm...
    Group
    Show

  • Kubernetes - Account and Access Control

    In traditional Unix security, if an attacker gains shell access to a certain login account, they can perform any action or access any file to which that account has access. The same idea applies to...
    Group
    Show

  • Use Dedicated Service Accounts

    Kubernetes workloads should not use cluster node service accounts to authenticate to Amazon EKS APIs. Each Kubernetes workload that needs to authenticate to other AWS services using AWS IAM should ...
    Rule Unknown Severity
    Show

  • Authentication

    In cloud workloads, there are many ways to create and configure to multiple authentication services. Some of these authentication methods by not be secure or common methodologies, or they may not b...
    Group
    Show

  • Manage Users with AWS IAM

    Amazon EKS uses IAM to provide authentication to your Kubernetes cluster through the AWS IAM Authenticator for Kubernetes. You can configure the stock kubectl client to work with Amazon EKS by inst...
    Rule Unknown Severity
    Show

  • Kubernetes - General Security Practices

    Contains evaluations for general security practices for operating a Kubernetes environment.
    Group
    Show

  • Consider Fargate for Untrusted Workloads

    It is Best Practice to restrict or fence untrusted workloads when running in a multi-tenant environment.
    Rule Unknown 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

  • Streaming Connection Timeout Options

    Time until connection timeouts. Use (s) for seconds, (m) for minutes, and (h) for hours.
    Value
    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

  • kubelet - Enable Client Certificate Rotation

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

  • kubelet - Enable Protect Kernel Defaults

    Protect tuned kernel parameters from being overwritten by the kubelet.

    Rule Medium Severity
    Show

  • kubelet - Do Not Disable Streaming Timeouts

    Timeouts for streaming connections should not be disabled as they help to prevent denial-of-service attacks. To configure streaming connection timeouts, edit the kubelet configuration file <code>/e...
    Rule Medium Severity
    Show

  • kubelet - Ensure that the --read-only-port is secured

    Disable the read-only port.
    Rule Medium Severity
    Show

  • OpenShift - Logging Settings

    Contains evaluations for the cluster's logging configuration settings.
    Group
    Show

  • Ensure Audit Logging is Enabled

    The audit logs are part of the EKS managed Kubernetes control plane logs that are managed by Amazon EKS. Amazon EKS is integrated with AWS CloudTrail, a service that provides a record of actions ta...
    Rule Unknown Severity
    Show

  • Ensure that application Namespaces have Network Policies defined.

    Use network policies to isolate traffic in your cluster network.
    Rule High Severity
    Show

  • Ensure Network Policy is Enabled

    Use Network Policy to restrict pod to pod traffic within a cluster and segregate workloads.
    Rule Unknown Severity
    Show

  • Encrypt Traffic to Load Balancers and Workloads

    Encrypt traffic to HTTPS load balancers using TLS certificates.
    Rule Unknown Severity
    Show

  • Ensure Private Endpoint Access

    Disable access to the Kubernetes API from outside the node network if it is not required.
    Rule Unknown Severity
    Show

  • Ensure Cluster Private Nodes

    Disable public IP addresses for cluster nodes, so that they only have private IP addresses. Private Nodes are nodes with no public IP addresses.
    Rule Unknown Severity
    Show

  • Kubernetes - Registry Security Practices

    Contains evaluations for Kubernetes registry security practices, and cluster-wide registry configuration.
    Group
    Show

  • Only use approved container registries

    Use approved container registries.
    Rule Unknown Severity
    Show

  • Ensure Image Vulnerability Scanning

    Scan images being deployed to Amazon EKS for vulnerabilities.
    Rule Unknown Severity
    Show

  • Ensure Cluster Service Account with read-only access to Amazon ECR

    Configure the Cluster Service Account with Storage Object Viewer Role to only allow read- only access to Amazon ECR.
    Rule Unknown Severity
    Show

  • Minimize user access to Amazon ECR

    Restrict user access to Amazon ECR, limiting interaction with build images to only authorized personnel and service accounts.
    Rule Unknown Severity
    Show

  • 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 Pod specification or in an image.
    Group
    Show

  • Ensure Kubernetes Secrets are Encrypted

    Encrypt Kubernetes secrets, stored in etcd, using secrets encryption feature during Amazon EKS cluster creation.
    Rule Unknown Severity
    Show

  • Kubernetes - Worker Node Settings

    Contains evaluations for the worker node configuration settings.
    Group
    Show

  • Verify Group Who Owns The Worker Kubeconfig File

    To properly set the group owner of /var/lib/kubelet/kubeconfig, run the command: 
    $ sudo chgrp root /var/lib/kubelet/kubeconfig
    Rule Medium Severity
    Show

  • Verify User Who Owns The Kubelet Configuration File

    To properly set the owner of /etc/kubernetes/kubelet/kubelet-config.json, run the command: 
    $ sudo chown root /etc/kubernetes/kubelet/kubelet-config.json
    Rule Medium Severity
    Show

  • 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
    Show

  • Verify Permissions on The Kubelet Configuration File

    To properly set the permissions of /etc/kubernetes/kubelet/kubelet-config.json, run the command: 
    $ sudo chmod 0644 /etc/kubernetes/kubelet/kubelet-config.json
    Rule Medium Severity
    Show

  • Verify Permissions on the Worker Kubeconfig File

    To properly set the permissions of /var/lib/kubelet/kubeconfig, run the command: 
    $ sudo chmod 0644 /var/lib/kubelet/kubeconfig
    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 and destinations parameters potentially creating a...
    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/kubelet-config.json</code> on the kubelet node(s) and set the below parameter:...
    Rule Medium Severity
    Show

  • Verify Group Who Owns The Kubelet Configuration File

    To properly set the group owner of /etc/kubernetes/kubelet/kubelet-config.json, run the command: 
    $ sudo chgrp root /etc/kubernetes/kubelet/kubelet-config.json
    Rule Medium Severity
    Show

  • 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 disabled. Edit the Kubelet server configuration fil...
    Rule Medium Severity
    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

  • kubelet - Enable Certificate Rotation

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

  • 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 the security impact of decisions about networking wh...
    Group
    Show

  • Namespaces exempt of Network Policies

    Namespaces regular expression explicitly allowed through network policy filters, e.g. setting value to "namespace1|namespace2" will exempt namespace "namespace1" and "namespace2" for network polici...
    Value
    Show

  • Restrict Access to the Control Plane Endpoint

    Enable Endpoint Private Access to restrict access to the cluster's control plane to only an allowlist of authorized IPs.
    Rule Unknown Severity
    Show

Node 2

siemur/test-space

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.

Capacity
Modules