This book is the all new built on the success of Syngress best-selling book 'Ethereal Packet Sniffing. This book provides complete information and step-by-step Instructions for analyzing protocols and network traffic on Windows, Unix or Mac OS X network. Readers will learn to install Ethereal in multiple environments including Windows, Unix and Mac OS X as well as building Ethereal from source and will also be guided through Ethereal's graphical user interface. The final part of this book teaches readers to enable Ethereal to read new sources of data, program their own protocol dissectors, and to create and customize Ethereal reports. Ethereal is the # 2 most popular open source security tools, according to a study conducted by insecure.org Syngress Ethereal's first book 'has consistently become one of the security best-selling books during the last 2 years Site Web companion to the book provides readers with dozens of open source security tools and working scripts