Chapter 25. Understanding Remote Access

  • Understanding VPN Concepts 733

  • Planning VPN Access 737

  • NAP Integration 743

  • Summary 745

In this chapter, you will become familiar with the basic concepts, planning, and NAP integration related to VPN services as used by Microsoft Forefront Threat Management Gateway (TMG).

Understanding VPN Concepts

Virtual Private Networks (VPNs) provide an encrypted tunnel that carries IP traffic to a remote server that terminates the encrypted tunnel and routes the user's traffic into a remote network. The VPN protocols used vary according to the capabilities of the VPN client and server as well as the functional and security requirements of the organization.

In general, VPN connections are used to provide secure access to a remote ...

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