Jon Hoffman has close to 20 years of experience in the field of Information Technology. Over these 20 years, Jon has worked in the areas of system administration, network administration, network security, development and architecture. Currently, he works as a software engineer at SynTech Systems. He has started a network development blog at http://networkdevelopment.blogspot.com that will enhance and expand on the material covered in this book. Over the past five years, he has developed numerous applications for the iOS platform. These include several apps that he has published in the App Store, apps that he has written for third parties, and numerous enterprise applications. What really drives Jon are the challenges in Information Technology; there is nothing more exhilarating for him than overcoming a challenge. Some of Jon's other interests are watching baseball (Go Sox!) and basketball (Go Celtics!). Jon also really enjoys Taekwondo; he and his eldest daughter Kailey are on pace to get their black belts together in the spring of 2014.