CKS Exam Dumps : Certified Kubernetes Security Specialist (CKS)

Context

The kubeadm-created cluster's Kubernetes API server was, for testing purposes, temporarily configured to allow unauthenticated and unauthorized access granting the anonymous user duster-admin access.

Task

Reconfigure the cluster's Kubernetes API server to ensure that only authenticated and authorized REST requests are allowed.

Use authorization mode Node,RBAC and admission controller NodeRestriction.

Cleaning up, remove the ClusterRoleBinding for user system:anonymous.

Analyze and edit the given Dockerfile

FROM ubuntu:latest

 

RUN apt-get update -y

 

RUN apt-install nginx -y

 

COPY entrypoint.sh /

 

ENTRYPOINT ["/entrypoint.sh"]

 

USER ROOT

Fixing two instructions present in the file being prominent security best practice issues

Analyze and edit the deployment manifest file

apiVersion: v1

kind: Pod

metadata:

  name: security-context-demo-2

spec:

  securityContext:

    runAsUser: 1000

  containers:

  - name: sec-ctx-demo-2

    image: gcr.io/google-samples/node-hello:1.0

    securityContext:

      runAsUser: 0

      privileged: True

      allowPrivilegeEscalation: false

Fixing two fields present in the file being prominent security best practice issues

Don't add or remove configuration settings; only modify the existing configuration settings

Whenever you need an unprivileged user for any of the tasks, use user  test-user with the user id 5487

Create a RuntimeClass named untrusted using the prepared runtime handler named runsc.

Create a Pods of image alpine:3.13.2 in the Namespace default to run on the gVisor runtime class.