A comprehensive guide to mastering the art of preventing your Linux system from getting compromised.

About This Book

• Leverage this guide to confidently deliver a system that reduces the risk of being hacked
• Perform a number of advanced Linux security techniques such as network service detection, user authentication, controlling special permissions, encrypting file systems, and much more
• Master the art of securing a Linux environment with this end-to-end practical guide

Who This Book Is For

If you are a systems administrator or a network engineer interested in making your Linux environment more secure, then this book is for you. Security consultants wanting to enhance their Linux security skills will also benefit from this book. Prior knowledge of Linux is mandatory.

What You Will Learn

• Use various techniques to prevent intruders from accessing sensitive data
• Prevent intruders from planting malware, and detect whether malware has been planted
• Prevent insiders from accessing data that they aren't authorized to access
• Do quick checks to see whether a computer is running network services that it doesn't need to run
• Learn security techniques that are common to all Linux distros, and some that are distro-specific

In Detail

This book has extensive coverage of techniques that will help prevent attackers from breaching your system, by building a much more secure Linux environment. You will learn various security techniques such as SSH hardening, network service detection, setting up firewalls, encrypting file systems, protecting user accounts, authentication processes, and so on. Moving forward, you will also develop hands-on skills with advanced Linux permissions, access control, special modes, and more. Lastly, this book will also cover best practices and troubleshooting techniques to get your work done efficiently.

By the end of this book, you will be confident in delivering a system that will be much harder to compromise.

Style and approach

An advanced-level guide filled with real-world examples that will help you secure your Linux system

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Spis treści

Mastering Linux Security and Hardening. Secure your Linux server and protect it from intruders, malware attacks, and other external threats eBook -- spis treści

• 1. Running Linux in a virtual environment
• 2. Securing user accounts
• 3. Securing your server with a Firewall
• 4. Encrypting and SSH Hardening
• 5. Mastering Discretionary Access Control
• 6. Access Control Lists and Shared Directory Management
• 7. Implementing Mandatory Access Control with SELinux and AppArmor
• 8. Scanning, Auditing and Hardening
• 9. Vulnerability Scanning and Intrusion Detection
• 10. Security Tips & Tricks for the Busy Bee