The comprehensive guide addresses networks from an attacker's perspective to identify, exploit, and ultimately protect against vulnerabilities. Part I provides an overview of network fundamentals and traffic capture as a foundation for network analysis. Part II continues with protocol analysis, both static and dynamic. Finally, Part III focuses on discovering and exploiting vulnerabilities and explains common classes of errors. Forshaw concludes with an overview of the best tools for analyzing and utilizing networks. This book is a must-read for any penetration tester, bug hunter, or developer looking to exploit and protect network vulnerabilities.