A virtual private network (VPN) is the extension of a private network that encompasses links across shared or public networks. VPN connections use the connectivity of the Internet and a combination of tunneling and data encryption technologies to connect remote clients and remote offices.
Windows Server 2008 and Windows Vista with Service Pack 1 support the following VPN protocols:
Point-to-Point Tunneling Protocol (PPTP)
Layer Two Tunneling Protocol with Internet Protocol security (L2TP/IPsec)
Secure Socket Tunneling Protocol (SSTP)
This chapter describes the details of the PPTP, L2TP/IPsec, and SSTP VPN protocols.
This chapter assumes prior knowledge of the components ...