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Windows Server® 2008 Networking and Network Access Protection (NAP) by Microsoft Networking Team, Tony Northrup, Joseph Davies

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Planning and Design Considerations

When deploying a remote access VPN solution, you must consider the following planning and design issues:

  • VPN protocols

  • Authentication methods

  • VPN servers

  • Internet infrastructure

  • Intranet infrastructure

  • Concurrent intranet and Internet access for VPN clients

  • Authentication infrastructure

  • VPN clients

  • PKI

  • VPN enforcement with NAP

VPN Protocols

Windows Server 2008 includes support for the following remote access VPN protocols:

  • PPTP. PPTP uses PPP user authentication and MPPE encryption. When Microsoft Challenge Handshake Authentication Protocol (MS-CHAP v2) or Protected EAP (PEAP)-MS-CHAP v2 is used with strong passwords, PPTP is a secure VPN technology. For certificate-based authentication, Extensible Authentication Protocol-Transport ...

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