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Mastering Linux Security and Hardening - Third Edition

You're reading from  Mastering Linux Security and Hardening - Third Edition

Product type Book
Published in Feb 2023
Publisher Packt
ISBN-13 9781837630516
Pages 618 pages
Edition 3rd Edition
Languages
Author (1):
Donald A. Tevault Donald A. Tevault
Profile icon Donald A. Tevault

Table of Contents (22) Chapters

Preface 1. Section 1: Setting up a Secure Linux System
2. Running Linux in a Virtual Environment 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

Questions

  1. What is the major difference between firewalld on RHEL 7-type distros and firewalld on RHEL 8/9-type distros?
  2. In which of the following formats does firewalld store its rules?
    1. .txt
    2. .config
    3. .html
    4. .xml
  3. Which of the following commands would you use to list all of the firewalld zones on your system?
    1. sudo firewalld --get-zones
    2. sudo firewall-cmd --list-zones
    3. sudo firewall-cmd --get-zones
    4. sudo firewalld --list-zones
  4. With ufw, everything you’ll ever need to do can be done with the ufw utility.
    1. True
    2. False
  5. Your system is set up with firewalld and you need to open port 10000/tcp. Which of the following commands would you use?
    1. sudo firewall-cmd --add-port=10000/tcp
    2. sudo firewall-cmd --add-port=10000
    3. sudo firewalld --add-port=10000
    4. sudo firewalld --add-port=10000...
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