It does address protocol related weaknesses, but the protocols and attacks are not related, appearing in disorganized and even random material. Some attacks are described incorrectly, and sections even seem to contradict each other, such as the text emphasizing login controls and then discussing IP spoofing, which takes over legitimate logins. This appears to set the stage for a technical treatment of the subject. Networking details continue in chapter two with an overview of the various connection methods over the net. I am always delighted to get more information about new Kermit products, but I would sympathize with any reader who was confused about what this material may have to do with firewalls.
Encryption gets a brief review in chapter three.
The content gets the basics across, but is of uneven depth between topics. Chapter four does start to provide security, and specifically firewall, related information in regard to the Web, but also includes a ten page CGI script that might be less useful. The data is good, but seems to be somewhat random and unstructured. Chapter six looks at much the same material. Firewall technologies, implementations, and limitations are discussed in part two.