Radius: Network Control and Authentication

This book provides a comprehensive guide to RADIUS, covering its architecture, protocols, and advanced applications in modern network environments. From foundational concepts like packet structure and AVPs to complex topics such as multi-factor authentication, integration with cloud services, and deployment in enterprise and ISP infrastructures, the book equips readers with the knowledge to implement secure and scalable RADIUS solutions. Through real-world case studies, best practices, and troubleshooting techniques, it serves as an essential resource for network engineers, security professionals, and IT administrators looking to enhance network access control and authentication frameworks.