Today's deal of the day from O'Relly at http://oreilly.com/catalog/0636920020516/ at $7.49
Remember the discount code of DDJ5N
"Take an in-depth tour of core Internet protocols and learn how they work together to move data packets from origin to destination. With this concise book, you’ll delve into each protocol in detail, including operation basics and security risks. Each chapter includes a set of review questions, as well as practical, hands-on lab exercises."
