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Mastering Linux Security and Hardening

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

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Product type Paperback
Published in Feb 2023
Publisher Packt
ISBN-13 9781837630516
Length 618 pages
Edition 3rd Edition
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Author (1):
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Donald A. Tevault Donald A. Tevault
Author Profile Icon Donald A. Tevault
Donald A. Tevault
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Table of Contents (22) Chapters Close

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

Understanding centralized user management

In an enterprise setting, you’ll often have hundreds or thousands of users and computers that you need to manage. So, logging in to each network server or each user’s workstation to perform the procedures that we’ve just outlined would be quite unworkable. (But do bear in mind that you still need those skills.) What we need is a way to manage computers and users from one central location. Space doesn’t permit me to give the complete details about the various methods for doing this. So for now, we’ll just have to settle for a high-level overview.

Microsoft Active Directory

I’m not exactly a huge fan of either Windows or Microsoft. But when it comes to Active Directory, I’ll have to give credit where it’s due. It’s a pretty slick product that vastly simplifies the management of very large enterprise networks. And yes, it is possible to add Unix/Linux computers and their users...

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