Point-To-Point Tunneling Protocol, PPTP - Networking

Explain Point-To-Point Tunneling Protocol, PPTP.

PPTP is one of the methods to implement Virtual Private Networks. Confidentiality or encryption does not provided by PPTP. The reliability of PPTP is being tunneled for the purpose of providing privacy. PPTP works by sending Point-to-Point Protocol to the peer with the Generic Encapsulation protocol. Because of its easy way of configuration, it is most popular protocol used in VPNs. It was the first protocol for VPNs and was supported by Dial-up network of Microsoft.
What is GRE (Generic Routing Encapsulation) in PPTP? - Networking
Generic Routing Encapsulation is a protocol for Point-to-Point Protocol........
What is CHAP (Challenge-Handshake Authentication protocol)? - Networking
Challenge-Handshake Authentication Protocol authenticates to an authenticating entity of a user or network.......
What is PAP (Password Authentication Protocol)? - Networking
Password Authentication Protocol is one of the simple authentication protocols which are used for the purpose of authenticating a user to a network access server........
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