"The book you will read will arm you with the knowledge you need to defend your network from attackers both the obvious and not so obvious ....? If you are new to network security, do not put this book back on the shelf! Ron Sugar?, Founder and CTO, Network Security is maintained, from the Foreword "Richard Bejtlich has a good perspective on Internet security one of the orderly and practical at the same time?. ? Marcus Ranum, TruSecure "This book is not about security or network monitoring: It's about both, and in fact these are two aspects of the same problem you can easily find people who security experts or network monitors, but this book explains how. To master these two topics. " Luca Deri?, Ntop.org "This book will enable security professionals of all skill sets to enhance their understanding of what it takes to manage, maintain, and utilize strategies that successful network intrusion detection." Network security monitoring (NSM) complete security staff to deal with the inevitable consequences of too few resources and too much responsibility. In Tao Monitoring Network Security, Richard Bejtlich explores the products, people and processes that implement NSM model. By focusing on case studies and application of open source tools, he helps you gain hands-on knowledge about how to better defend networks and how to reduce the damage from security incidents. Best practices for emergency NSM in incident response scenario, evaluating monitoring vendors, and disseminate an NSM architecture. Whether you are new to network intrusion detection and incident response, or a veteran computer security, this book will allow you to quickly develop and apply the skills necessary to detect, prevent, and respond to new and emerging threats.