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IPSec VPN Design by Scott Wainner, Mohamed Khalid, Vijay Bollapragada

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Chapter 4. IPSec Authentication and Authorization Models

Telecommuting is increasingly becoming a part of everyday life, and IPSec connectivity is arguably the most popular connection method that telecommuters use to connect to a VPN across the public Internet. Given that telecommuters can be anywhere in the Internet, the successful completion of authorization and authentication is critical for granting access to the VPN. This chapter explores authentication and authorization models for the IPSec telecommuter.

Extended Authentication (XAUTH) and Mode Configuration (MODE-CFG)

Authentication schemes such as Remote Authentication Dial-In User Service (RADIUS) and SecureID are commonly used for providing secure remote access. It is highly desirable ...

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