ISP-Based PPTP Remote Access VPN

• Remote Access VPNs

  • User dials into a remote access server (RAS)
  • RAS often checks with RADIUS server for user identification information. Allows or rejects connection

Internet

ISP

PPTP

Access

Concentrator

Local

Access

Corporate

Site A

Secure Tunnel

Unsecure TCP

Control Channel

Previous slide

Next slide

Back to first slide

View graphic version