Summary

Virtual private networking is the extension of a private network that encompasses links across shared or public networks such as the Internet. Microsoft Windows XP Professional and Windows Server 2003 use PPTP and L2TP/IPSec as the industry standard technologies for remote access and site-to-site VPN connections. Windows Server 2003 also includes technologies and components to administer VPN connections and provide for VPN connection accounting, auditing, and alarming.