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PPTP

   Also found in: Acronyms, Wikipedia 0.04 sec.

(Point-to-Point Tunneling Protocol) A protocol from Microsoft that is used to create a virtual private network (VPN) over the Internet. Remote users can access their corporate networks via any ISP that supports PPTP on its servers.

PPTP encapsulates any type of network protocol (IP, IPX, etc.) and transports it over IP. Thus if IP is the original protocol, IP packets ride as encrypted messages inside PPTP packets running over IP. PPTP is based on the point-to-point protocol (PPP) protocol and the generic routing encapsulation (GRE) protocol. Encryption is performed by Microsoft's Point-to-Point Encryption (MPPE), which is based on RC4. See L2TP.

PPTP - Point-to-Point Tunneling Protocol
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With eight self-contained chapters organized and designed to facilitate rapid and straightforward troubleshooting, Troubleshooting Virtual Private Networks provides detailed information on addressing all common and not-so-common issues associated with IPSec VPNs, MPLS Layer-3 VPNs, any transport over MPLS (AToM)-based Layer-2 VPNs, L2TP Version 3 (L2TPv3)-based Layer-2 VPNs, L2TP Version 2 (L2TPv2) VPNs, PPTP VPNs, and L2F VPNs.
Troubleshooting Virtual Private Networks by The Bookwatch
The Nucleus PPTP software, combined with the Nucleus NET networking stack, the Nucleus implementation of the Microsoft Point-to-Point Encryption (MPPE) protocol, and the Nucleus PPP software, provides embedded developers with a complete secure VPN solution.
Mentor Graphics Announces Nucleus Point-to-Point Tunneling Protocol ... by Business Wire
Multiple VPN options including SSL, PPTP and IPSEC VPN access allows for easier operation among our users," said Mr.
Dedicated Host SoftLayer Adds Cutting Edge Security Services by Business Wire
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