Firewalls are a staple component of a secure network in today’s Internet. This book provides network administrators who are more focused on the core network services and end users an opportunity to learn about modern firewall capabilities. This book is not an exhaustive reference on all possible firewalls nor is it a complete text on the firewalls that are mentioned in this book. Instead, this book provides a solid foundation of fundamental knowledge upon which readers can build their knowledge and skills in firewall administration and implementation (and security in general).
The intent for this book is to provide information about the basic workings of firewalls, with a predominant slant toward the smaller appliance ...