You're reading from Mastering Linux Security and Hardening A practical guide to protecting your Linux system from cyber attacks

Product type Paperback

Published in Feb 2023

Publisher Packt

ISBN-13 9781837630516

Length 618 pages

Edition 3rd Edition

Languages

Tools

Linux

Concepts

Hardening

Author (1):

Donald A. Tevault

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Table of Contents (22) Chapters

Preface

1. Section 1: Setting up a Secure Linux System

2. Running Linux in a Virtual Environment FREE CHAPTER

3. Securing Administrative User Accounts

4. Securing Normal User Accounts

5. Securing Your Server with a Firewall – Part 1

6. Securing Your Server with a Firewall — Part 2

7. Encryption Technologies

8. SSH Hardening

9. Section 2: Mastering File and Directory Access Control (DAC)

10. Mastering Discretionary Access Control

11. Access Control Lists and Shared Directory Management

12. Section 3: Advanced System Hardening Techniques

13. Implementing Mandatory Access Control with SELinux and AppArmor

14. Kernel Hardening and Process Isolation

15. Scanning, Auditing, and Hardening

16. Logging and Log Security

17. Vulnerability Scanning and Intrusion Detection

18. Prevent Unwanted Programs from Running

19. Security Tips and Tricks for the Busy Bee

20. Other Books You May Enjoy

21. Index

Security Tips and Tricks for the Busy Bee

In this final chapter, I’d like to do a roundup of some quick tips and tricks that don’t necessarily fit in with the previous chapters. Think of these tips as time savers for the busy administrator. First, you will learn about some quick ways to see which system services are running, in order to ensure that nothing that isn’t needed is running. Then, we’ll look at how to password-protect the GRUB 2 bootloader, how to securely configure BIOS/UEFI to help prevent attacks on a physically accessible machine, and how to use a checklist to perform a secure initial system setup.

In this chapter, we will cover the following topics: