Advanced Linux Server Security: Mastering Network, Kernel, and Application Layer Hardening

By Isaac James

What if the only thing standing between your Linux server and a catastrophic breach is knowledge you don't yet have?
In a world where automated scanners probe every IP address within minutes and attackers evolve faster than ever, a default Linux installation is no longer safe-and hoping your system "won't be a target" is the most dangerous assumption you can make.

Advanced Linux Server Security is the definitive guide for system administrators, DevOps engineers, and cloud professionals who refuse to leave their infrastructure to chance.
This book cuts through outdated advice and fragmented tutorials to deliver a complete, modern, and deeply practical blueprint for building truly hardened Linux systems, from the firmware and kernel all the way up to the application stack.

Inside, you'll discover:

The exact steps to lock down SSH using key-based authentication, 2FA, custom ports, and production-grade daemon settings

Firewall mastery with nftables, including port-scan detection, rate limiting, and stealth-level inbound rules

Kernel-level hardening with sysctl, SELinux, and AppArmor for impenetrable access control

Full-disk encryption (LUKS) and bootloader security to safeguard data even if hardware is stolen

Container and cloud-era hardening techniques for Docker, Kubernetes, and systemd isolation

Fail2ban, auditd, AIDE, and OpenVAS-the tools professionals use to detect, monitor, and eliminate threats

Real-world incident response strategies, forensic readiness, and post-incident hardening that closes doors attackers love to exploit

Unlike high-level theory books, this guide gives you battle-tested commands, configurations, and checklists used in enterprise environments-allowing you to build servers that survive in hostile networks.

What sets this book apart?
It delivers complete security architecture thinking: a structured, layered defense model that transforms insecure default installations into hardened fortresses. Whether you're running a cloud VM, on-prem data center, or production web infrastructure, this book gives you the exact roadmap professionals use to secure mission-critical systems.

If you're ready to go beyond basic administration and command true security mastery...

Take control of your infrastructure. Harden your servers. Stop attacks before they happen.
Get your copy of Advanced Linux Server Security today and build systems you can trust.

• Format: Paperback
• Language: English
• ISBN: B0G2SJX613
• ISBN13: 9798274980104
• Release Date: November 2025
• Publisher: Independently Published
• Length: 262 Pages
• Weight: 1.01 lbs.
• Dimensions: 0.6" x 7.0" x 10.0"