PPTP has been the subject of many security analyses and serious security vulnerabilities have been found in the protocol. PPTP has not been proposed nor ratified as a standard by the Internet Engineering Task Force. The intended use of this protocol is to provide security levels and remote access levels comparable with typical VPN products.Ī specification for PPTP was published in July 1999 as RFC 2637 and was developed by a vendor consortium formed by Microsoft, Ascend Communications (today part of Nokia), 3Com, and others. However, the most common PPTP implementation shipping with the Microsoft Windows product families implements various levels of authentication and encryption natively as standard features of the Windows PPTP stack. The PPTP specification does not describe encryption or authentication features and relies on the Point-to-Point Protocol being tunneled to implement security functionality. PPTP uses a TCP control channel and a GRE tunnel to encapsulate PPP packets. The Point-to-Point Tunneling Protocol (PPTP) is an obsolete method for implementing virtual private networks, with many known security issues. Create a Simple PPTP VPN server on Ubuntu Server Goals:
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