The lowest-priced brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable).Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag.See details for additional description.
Remote Authentication Dial-In User Radius (RADIUS) is a widely deployed protocol that enables companies to authenticate, authorize and account for remote users who want access to a system or service from a central network server. This text is a detailed guide to the underpinnings of RADIUS protocol, with particular emphasis on the utility of user accounting. Author Jonathan Hassell draws from his extensive experience in Internet service provider operations to bring practical suggestions and advice for implementing RADIUS. He also provides instructions for using an open-source variation called FreeRADIUS. This book covers RADIUS completely, from the history and theory of the architecture around which it was designed, to how the protocol and its ancillaries function on a day-to-day basis, to implementing RADIUS-based security in a variety of corporate and service provider environments. If you are an ISP owner or administrator, corporate IT professional responsible for maintaining mobile user connectivity, or a web presence provider responsible for providing multiple communications resources, you'll want this book to help you master this widely implemented but little understood protoc
Jonathan Hassell is a systems administrator, IT consultant, and industry author residing in Raleigh, NC. He has extensive experience in networking technologies and Internet connectivity and currently runs his own web hosting business, Enable Hosting. He is the author of RADIUS for O'Reilly and Associates and is a columnist for WindowsITSecurity.COM and Pinnacle's Linux AppDev newsletter. He has also worked with IBM to develop a tutorial on Apache web server optimization.