"The book you are about to read will arm you with the knowledge you need to defend your network from attackers-both the obvious and the not so obvious.... If you are new to network security, don't put this book back on the shelf! This is a great book for beginners and I wish I had access to it many years ago. If you've learned the basics of TCP/IP protocols and run an open source or commercial IDS, you may be asking 'What's next?' If so, this book is for you." -Ron Gula, founder and CTO, Tenable Network Security, from the Foreword "Richard Bejtlich has a good perspective on Internet security-one that is orderly and practical at the same time. He keeps readers grounded and addresses the fundamentals in an accessible way." -Marcus...