Linux Firewall Gently - Firewalld: Second Edition

The second edition of this book is a comprehensive guide to firewalld, covering topics such as setting up a multizone firewall, using rich and direct rules, logging, masquerading and NAT, and IP sets. The book also includes a detailed guide to fail2ban. Whether you're a beginner or experienced administrator, this book provides clear, step-by-step instructions and real-world examples for implementing a robust firewall solution on your Linux system.