PPTP uses a TCP control channel and a Generic Routing Encapsulation tunnel to encapsulate PPP packets. Many modern VPNs use various forms of UDP for this same functionality.

PPTP (Point-to-Point Tunneling Protocol) is a network protocol used to establish a secure VPN connection over the internet.

Oct 15, 2025 · Point-to-Point Tunneling Protocol (PPTP) is a widely used networking protocol designed to create a secure private connection over a public network. Developed in the 1990s by Microsoft …

Aug 4, 2025 · Learn why PPTP is obsolete and dangerous for modern networks. Understand the critical security flaws that make this VPN protocol unsuitable for sensitive data.

Sep 16, 2025 · PPTP — short for Point-to-Point Tunneling Protocol — is one of the oldest VPN protocols, created by Microsoft in the 1990s. It became popular because it was fast, easy to set up, …

Jul 6, 2025 · PPTP (Point-to-Point Tunneling Protocol) is an older VPN protocol that enables encrypted connections. Learn how it works and how it compares to modern VPN options.

Discover what the point-to-point protocol (PPTP) is, how it works, why it is now outdated, and what new protocols have replaced it.

Learn about the Point-to-Point Tunneling Protocol (PPTP), its benefits, security risks, and safer alternatives for secure VPN connections.

Sep 15, 2025 · Point-to-Point Tunneling (PPTP) is the first networking protocol used for VPN creation. Find out how the PPTP works, its pros and cons, and whether it's safe to use.

Apr 23, 2024 · The Point-to-Point Tunneling Protocol (PPTP) is an Internet Engineering Task Force (IETF) standard protocol that allows the Point-to-Point Protocol (PPP) [RFC1661] to be tunneled …