Understanding Kubernetes Security — A Beginner’s Guide

Authentication, Authorization, and Admission Control?

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Welcome to the next chapter of our journey into Kubernetes! Having covered the essential Networking concepts in our previous series, we now shift our focus to an equally crucial aspect: Security.

Ensuring the security of your Kubernetes cluster is paramount. That’s where authentication, authorization, and admission control come into play.

In this beginner’s guide, we will explore these fundamental concepts and how they work together to safeguard your cluster. Let’s delve into the world of Kubernetes security and unlock its secrets.

Check out “Understanding Kubernetes — A Beginner’s Guide” for the comprehensive series🚀

A Beginner’s Guide to Kubernetes

Overview of Authentication, Authorization, and Admission Control

To establish a secure environment within your Kubernetes cluster, it is essential to understand the concepts of authentication, authorization, and admission control.

Let’s take a closer look at each of these components:

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Authentication:

• Authentication is the process of verifying the identity of users or systems attempting to access your cluster.
• Kubernetes supports various authentication mechanisms, including client certificates, bearer tokens, and OpenID Connect.
• By enforcing authentication, you can ensure that only authenticated entities gain access to your cluster.

Authorization:

• Authorization determines what actions and resources a user or system can access within the cluster.