[MSDN Library April 2000] Preventing RAS from Changing Source IP Addresses (97.9591836734694%)
MSDN Library - April 2000 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server 4.0 Resource Kit - Supplement 2 > Installing, Configuring, and Using PPTP with Microsoft Clients and Servers > Adding VPN Devices as RAS Ports on a PPTP Server