When deploying VPN enforcement, you must consider the following in your planning:
Use of Network Access Quarantine Control
Security group for NAP exemptions
Types of packet filtering
VPN authentication methods
Network Access Quarantine Control, a feature of the Windows Server 2003 operating system with Service Pack 1 (SP1), delays normal remote access to a private network until an administrator-provided script has examined and validated the configuration of the remote access computer. When a remote access computer initiates a connection to a remote access server, the user is authenticated, and the remote access computer is assigned an IPv4 address. However, ...