Second Edition 2021.
What makes you a firewall expert? Understand different firewall products and the Packet-flows. Get familiarize with Change management and understand how to incorporate change management process in to firewall management operations. This book gives you a broad overview on Firewalls, packet flows, hardening, management & operations and the best practices followed in the industry. Though this book is mainly intended for firewall administrators who are in to operations, this book give a quick introduction and comparisons of the major firewall vendors and their products. In this book I have covered the following topics.

Various Job roles related to Firewalls.

What makes you a firewall expert?

Know the major firewall vendors and their models.

Firewall ranking and benchmarks.

Understand the packet flow or order of operation.

Understand the different types of firewalls.

Daily tasks of a firewall administrator

Guidelines on firewall hardening and compliance.

Understand Change Management process.

Illustration on How to make a firewall change (incorporating Change management process) with a real world example.

Note: This book is not a configuration guide. Intended for beginners and junior professionals.