This book is a comprehensive guide detailing security configuration from both a remote site as well as on and between enterprise networks. Through the use of real-world examples, it provides the reader with the most current technologies available and teaches how to effectively implement and support these technologies on a network. After reading this book, administrators will possess a greater understanding of Cisco network security solutions and the hardware, protocols, and services involved. Hence, they will be able to make more intelligent, cost-effective and quantifiable networking decisions for their environment. Cisco Network Security will help readers perform their jobs at a higher level. It offers system optimization techniques, which will strengthen results, increase productivity and improve efficiency.