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

Finding vulnerabilities with the Greenbone Security Assistant

In the previous versions of this book, I told you about OpenVAS, which stands for Open Vulnerability Assessment Scanner. It’s still with us, but its publisher has changed the name to Greenbone Security Assistant (GSA). Although it’s a commercial product, Greenbone also offers a Free Open Source Community Edition that’s free-of-charge.

The Greenbone Security Assistant is something that you would use to perform remote vulnerability scans. You can use it to scan a variety of network devices.

The big three security distros are Kali Linux, Parrot Linux, and BlackArch. They’re aimed at security researchers and penetration testers, but they contain tools that would also be good for just a normal security administrator of either the Linux or Windows variety. GSA is one such tool. All three of these security distros have their unique advantages and disadvantages. Since Kali is the most popular...