Title: What is PPTP? [Print this page] Author: zhangqiao@ruiji Time: 2024-5-10 17:27 Title: What is PPTP? Point-to-Point Tunneling Protocol (PPTP) is an enhanced security protocol designed based on the Point-to-Point Protocol (PPP). It allows an enterprise to use private tunnels to expand its enterprise network over the public network. PPTP relies on the PPP protocol to implement security functions such as encryption and identity authentication. Generally, PPTP works with Password Authentication Protocol (PAP), Challenge Handshake Authentication Protocol (CHAP), Microsoft Challenge Handshake Authentication Protocol (MS-CHAPv1/v2), or Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) for identity authentication and Microsoft Point-to-Point Encryption (MPPE) for encryption to improve security.
Currently, the device can be deployed as the PPTP server or client. It supports MPPE for encryption MSCHAPv2 for identity authentication, and does not support EAP authentication.
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