# Mastering Linux Security and Hardening, 3rd Edition

Mastering Linux Security and Hardening is a practical guide for Linux administrators who want to build skills in securing systems. The third edition describes hands-on labs and covers account controls, firewalls, encryption, auditing, vulnerability scanning, and intrusion detection.

- [Original product page](https://best-deals.pro/product/mastering-linux-security-hardening-third-edition)
- [View offer](https://best-deals.pro/visit/mastering-linux-security-hardening-third-edition)
- Market: US
- Language: en-US
- Currency: USD
- Category: Books, Music & Hobbies > Books, Music & Movies > Books & Comics
- Price: 25.95 USD
- Previous price: 54.99 USD
- Discount: 53%
- Price checked: 2026-11-14T05:50:06.578Z
- Rating: 4.8 / 5
- Reviews: 146

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Describes practical security labs using Ubuntu and Red Hat-type Linux distributions.
- Topics include user privileges, file permissions, encryption, firewalls, SSH hardening, and access controls.
- Covers OpenSCAP, auditd, vulnerability scanning, malware defenses, and Security Onion intrusion detection.

## Pros

- Broad coverage connects day-to-day server hardening with system auditing and vulnerability assessment.
- Hands-on labs are presented alongside topics such as SELinux, AppArmor, firewall configuration, and kernel hardening.
- The third edition's description names Ubuntu and AlmaLinux, with further details citing Ubuntu Server through version 22.04 LTS and Red Hat-type distributions through version 9.

## Specifications

### Publication
- Publisher: Packt Publishing
- Edition: 3rd
- Publication date: February 28, 2023
- Language: English
- Print length: 618 pages
- ISBN-10: 1837630518
- ISBN-13: 978-1837630516
### Dimensions and installation
- Dimensions: 7.5 x 1.4 x 9.25 inches
- Weight listed: 2.31 pounds

## Before you buy

- The book assumes working experience with the Linux command line and package management, so it may not suit readers starting from scratch.
- The listing describes the edition as using current distributions, but specifies Ubuntu Server through 22.04 LTS and Red Hat-type distributions through version 9. Check whether those versions match your environment. The listing also claims a free PDF copy, AI assistant, and next-gen reader, but does not establish the specific format or delivery terms for this copy.

## A good fit for

- Linux administrators and system administrators with command-line and package-management experience.
- Network engineers securing Linux environments and security consultants building Linux security skills.
- Readers interested in hands-on learning around firewall configuration, access controls, auditing, and vulnerability scanning.

## Less suited to

- Absolute Linux beginners without command-line and package-management experience.
- Readers seeking an official Linux certification exam study guide. The publisher says this book is not one.

## Customer feedback

Customer feedback describes the book as informative and recommends it, including a mention of its usefulness for Linux administrators. That sentiment aligns with its stated practical security scope, but buyers should note the assumed command-line and package-management experience and the listed distribution-version limits.
- Positive themes: Customers describe the content as informative and recommend the book.
- Positive themes: A customer summary calls it essential reading for Linux administrators.

## Frequently asked questions

### Who is this book aimed at?
The listing targets Linux administrators, system administrators, network engineers, and security consultants. It says working knowledge of the command line and package management is necessary.
### What security topics does it cover?
Listed subjects include account privileges, permissions, encryption, firewalls, SSH hardening, SELinux and AppArmor, kernel hardening, auditing, malware defenses, vulnerability scanning, and intrusion detection.
### Does it include hands-on exercises?
The publisher describes hands-on labs for the topics. The listing also claims a free PDF copy, AI assistant, and next-gen reader, though the particular format and access terms are not specified.
### Is it an official certification guide?
No. The publisher says it is not an official Linux certification exam guide, though its material may be relevant to the Linux Professional Institute Level-3 Security exam.

## Alternative options

- [The Linux Command Line, 3rd Edition: A Complete Introduction](https://best-deals.pro/visit/mastering-linux-security-hardening-third-edition)
- [Linux Basics for Hackers, 2nd Edition: Getting Started with Networking, Scripting, and Security in Kali](https://best-deals.pro/visit/mastering-linux-security-hardening-third-edition)
- [How Linux Works, 3rd Edition: What Every Superuser Should Know](https://best-deals.pro/visit/how-linux-works-third-edition)
- [Linux Kernel Programming: A comprehensive and practical guide to kernel internals, writing modules, and kernel synchronization](https://best-deals.pro/visit/linux-kernel-programming-2nd-edition-linux-6-1-lts)
- [The Practical Network Engineer's Guide: Master routing, network diagnostics, and troubleshooting](https://best-deals.pro/visit/practical-network-engineers-guide-routing-troubleshooting)
- [Mastering Ubuntu Server: Administer, secure, automate, and scale Ubuntu Server 26.04 for cloud, containers, and AI workloads](https://best-deals.pro/visit/mastering-ubuntu-server-5th-edition-26-04)
- [Practical Mobile Forensics: Forensically investigate and analyze modern iOS and Android devices](https://best-deals.pro/visit/practical-mobile-forensics-fifth-edition)
- [Advanced Cyber Threat Intelligence and Hunting: Detect APTs and zero-day attacks using CTI, behavioral analytics, and AI techniques](https://best-deals.pro/visit/mastering-linux-security-hardening-third-edition)
- [The Ultimate Ethical Hacker's Guide: Build job-ready skills with hands-on labs in recon, exploitation, and professional reporting](https://best-deals.pro/visit/ultimate-ethical-hackers-guide-hands-on-ethical-hacking)
- [Practical MCP Security: Defend agentic AI systems from supply chain, runtime, and code execution threats](https://best-deals.pro/visit/mastering-linux-security-hardening-third-edition)
- [Linux: The Comprehensive Guide to Mastering Linux—From Installation to Security, Virtualization, and System Administration Across All Major Distributions \(Rheinwerk Computing\)](https://best-deals.pro/visit/linux-comprehensive-guide-michael-kofler)
- [PowerShell Automation and Scripting for Cybersecurity: Hacking and defense for red and blue teamers](https://best-deals.pro/visit/powershell-automation-scripting-cybersecurity-book)

## Add-ons

- [The Ultimate Linux Shell Scripting Guide: Automate, Optimize, and Empower tasks with Linux Shell Scripting](https://best-deals.pro/visit/ultimate-linux-shell-scripting-guide)
- [The Ultimate Kali Linux Book: Harness Nmap, Metasploit, Aircrack-ng, and Empire for cutting-edge pentesting](https://best-deals.pro/visit/ultimate-kali-linux-book-third-edition)

## Images

![Mastering Linux Security and Hardening, 3rd Edition — 1](https://best-deals.pro/i/JfJZzXOBsAOKvSpzD2d2XeXLzM5fLjFild-o8aNxreiKcTBZ-lqFN6n40f_Dq-ekA-m7f6o7Anz6R9BLaCPvcuCjsP8etsGzM99NiaDg7snZssa__f-_.jpg)