Cisco Firewalls

Acknowledgments

I would like to express my thankfulness to three special friends who shared thoughts and perceptions about the content and approach that could make this book more useful for the readers: Frederico Vasconcelos, Gustavo Santana, and Diego Soares.

Thanks to my great friend Andre Lee for his contributions with the artistic illustrations. What a gift!

Thanks to my friend Jose Furst, Jr., who used only one phrase to convince me that I should write the original in English.

I would like to thank Marcos Yamamoto, Renier Souza, and Renato Pazotto for their support since the early days of the project.

Thanks to the technical reviewers Allan Cesarini and Maurilio Gorito, for their significant help on making this book more accurate.

I would ...