Guide to the Secure Configuration of Amazon Elastic Kubernetes Service
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 -
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 -
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 -
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 -
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 -
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 -
Kubernetes - General Security Practices
Contains evaluations for general security practices for operating a Kubernetes environment.Group -
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 -
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 -
Streaming Connection Timeout Options
Time until connection timeouts. Use (s) for seconds, (m) for minutes, and (h) for hours.Value -
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 -
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 -
kubelet - Enable Protect Kernel Defaults
Protect tuned kernel parameters from being overwritten by the kubelet.
Rule Medium Severity -
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 -
kubelet - Ensure that the --read-only-port is secured
Disable the read-only port.Rule Medium Severity -
OpenShift - Logging Settings
Contains evaluations for the cluster's logging configuration settings.Group -
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 -
Ensure that application Namespaces have Network Policies defined.
Use network policies to isolate traffic in your cluster network.Rule High Severity -
Ensure Network Policy is Enabled
Use Network Policy to restrict pod to pod traffic within a cluster and segregate workloads.Rule Unknown Severity -
Encrypt Traffic to Load Balancers and Workloads
Encrypt traffic to HTTPS load balancers using TLS certificates.Rule Unknown Severity
Node 2
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