PPTP VPN

What Does PPTP VPN Mean?

PPTP VPN is the process of creating and managing VPN connections or services using point-to-point tunneling protocol (PPTP). It is one of the most common ways of creating a VPN connection, and operates at layer 2 of the OSI model.

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PPTP VPN is also known as VPN over PPTP.

Techopedia Explains PPTP VPN

PPTP VPN primarily enables network traffic through different protocols to be sent over a P-based network. The PPTP VPN is created using a client/server architecture where PPTP VPN clients connect with a server to gain VPN access. It uses TCP and generic routing encapsulation (GRE) to enable VPN communication, encryption and encapsulation.

PPTP VPN generally utilizes TCP port 1723 to create a tunnel and connect with a peer and further utilize this connection to create a GRE tunnel on the same peer to enable encapsulation. PPTP VPN can be used to create remote access and site-to-site VPN connections. PPTP is highly insecure, however, so is not typically used by commercial VPN services.

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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…