You're reading from Learn Kubernetes Security Securely orchestrate, scale, and manage your microservices in Kubernetes deployments

Product type Paperback

Published in Jul 2020

Publisher Packt

ISBN-13 9781839216503

Length 330 pages

Edition 1st Edition

Languages

C++

Tools

Kubernetes

Concepts

Cloud Security

Authors (2):

Pranjal Jumde

Kaizhe Huang

View More author details

Table of Contents (19) Chapters

Preface

1. Section 1: Introduction to Kubernetes

2. Chapter 1: Kubernetes Architecture FREE CHAPTER

3. Chapter 2: Kubernetes Networking

4. Chapter 3: Threat Modeling

5. Chapter 4: Applying the Principle of Least Privilege in Kubernetes

6. Chapter 5: Configuring Kubernetes Security Boundaries

7. Section 2: Securing Kubernetes Deployments and Clusters

8. Chapter 6: Securing Cluster Components

9. Chapter 7: Authentication, Authorization, and Admission Control

10. Chapter 8: Securing Kubernetes Pods

11. Chapter 9: Image Scanning in DevOps Pipelines

12. Chapter 10: Real-Time Monitoring and Resource Management of a Kubernetes Cluster

13. Chapter 11: Defense in Depth

14. Section 3: Learning from Mistakes and Pitfalls

15. Chapter 12: Analyzing and Detecting Crypto-Mining Attacks

16. Chapter 13: Learning from Kubernetes CVEs

17. Assessments

18. Other Books You May Enjoy

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Kubernetes authentication

All requests in Kubernetes originate from external users, service accounts, or Kubernetes components. If the origin of the request is unknown, it is treated as an anonymous request. Depending on the configuration of the components, anonymous requests can be allowed or dropped by the authentication modules. In v1.6+, anonymous access is allowed to support anonymous and unauthenticated users for the RBAC and ABAC authorization modes. It can be explicitly disabled by passing the --anonymous-auth=false flag to the API server configuration:

$ps aux | grep api
root      3701  6.1  8.7 497408 346244 ?       Ssl  21:06   0:16 kube-apiserver --advertise-address=192.168.99.111 --allow-privileged=true --anonymous-auth=false

Kubernetes uses one or more of these authentication strategies. Let's discuss them one by one.