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Mastering Linux Security and Hardening

You're reading from   Mastering Linux Security and Hardening Protect your Linux systems from intruders, malware attacks, and other cyber threats

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Product type Paperback
Published in Feb 2020
Publisher
ISBN-13 9781838981778
Length 666 pages
Edition 2nd 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 (20) Chapters Close

Preface 1. Section 1: Setting up a Secure Linux System
2. Running Linux in a Virtual Environment FREE CHAPTER 3. Securing User Accounts 4. Securing Your Server with a Firewall - Part 1 5. Securing Your Server with a Firewall - Part 2 6. Encryption Technologies 7. SSH Hardening 8. Section 2: Mastering File and Directory Access Control (DAC)
9. Mastering Discretionary Access Control 10. Access Control Lists and Shared Directory Management 11. Section 3: Advanced System Hardening Techniques
12. Implementing Mandatory Access Control with SELinux and AppArmor 13. Kernel Hardening and Process Isolation 14. Scanning, Auditing, and Hardening 15. Logging and Log Security 16. Vulnerability Scanning and Intrusion Detection 17. Security Tips and Tricks for the Busy Bee 18. Assessments 19. Other Books You May Enjoy

Scanning with ClamAV and maldet

LMD's maldet daemon constantly monitors the directories that you specify in the /usr/local/maldetect/monitor_paths file. When it finds in my home directory. Fortunately, this is easier than it sounds, because we

European Institute for Computer Antivirus Research (EICAR) provides a virus signature that you can include in a plaintext file. You can get it at http://2016.eicar.org/86-0-Intended-use.html.

To create the simulated virus file, go to the page that I listed in the preceding link.

Scroll down toward the bottom of the page until you see this line of text within a textbox:

X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*

Copy that line of text and insert it into a text file that you'll save to your home directory of either VM. (You can name it anything you want, but I'll just name mine testing.txt.) Wait just...

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