Thank you, God, for giving me the ability to write this book.
I am grateful to two technical support managers of the Cisco Global Technical Services team, Andrew Firman and Maurice Spencer, for their encouragement and support throughout the process of authoring this book.
I am thankful to the technical leaders of the Cisco Firepower technology, John Groetzinger and Foster Lipkey, who are also the technical editors of this book. Their commitment and thorough reviews have been indispensable to this book.
I appreciate the time Principal Engineer Gonzalo Salgueiro took to review the draft proposal for this book. Many thanks to Senior Vice President Tom Berghoff and Senior Director Marc Holloman for sending me their words of appreciation ...