This book is a comprehensive guide to the RADIUS protocol, which enjoys support from nearly every major vendor and is used to secure a variety of network environments. More than just a background in the theory of RADIUS' operation, this book contains practical, hands-on advice for using RADIUS in web, email, and remote access implementations and offers a complete guide to using the open source FreeRADIUS server to secure your net-work.

Topics covered in-depth inside the book include:

• The AAA architecture, which serves as the basis of RADIUS
• Packet structure, format, and standard attributes
• Hints and huntgroups
• Realms
• FreeRADIUS setup
• Authenticating against a SQL database
• RADIUS for web authentication
• Integrating LDAP and RADIUS
• Planning for availability
• Performance baselining

• Preface
• An Overview of RADIUS
• RADIUS Specifics
• Standard RADIUS Attributes
• RADIUS Accounting
• Getting Started with FreeRADIUS
• Advanced FreeRADIUS
• Other RADIUS Applications
• The Security of RADIUS
• New RADIUS Developments
• Deployment Techniques
• Appendix: Attribute References
• Index