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Microsoft developed this to route network traffic over unsecured networks like internet so enterprises can establish reliable networks by utilizing the publicly available infrastructure.
There are many reasons why PPTP is one of the most popular and widely used VPN protocols nowadays. It was released in 1995 that means people have been using this for more than 20 years. It was the first VPN protocol supported by Windows Dial-up and every Microsoft Windows operating system developed and released after 1995 supports this protocol.
Other than Windows, some other operating systems like Linux and OS X started native support for this protocol in earlier days. Now almost every desktop and mobile platform supports PPTP. Configuring PPTP on a compatible platform is easier than any other protocol. PPTP has many different levels of VPN encryption and because of its low security it delivers high performance while streaming geo-restricted content.
PPTP is based on authentication, encryption and PPP negotiation. This protocol encrypts data and puts it into packets by creating a tunnel that provides secured communication over LAN or WAN. Because of the encapsulation of that data, encryption and required authentication, it is safe to transmit that data even over public networks like internet. PPTP has two different types of tunneling methods which are used differently.
Initiated by the client this is also known as Voluntary Tunneling, and initiated by the server which is known as Compulsory Tunneling. Voluntary Tunneling does not require network devices like bridges, routers and even support from ISP. On the other hand, Compulsory Tunneling must be supported by routers and it is initiated by the server.
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Like every other VPN protocol, PPTP has its own advantages and disadvantages that you should consider beforehand to get the best out of it.
Now we know what is PPTP and that it is the most suitable option to access geo-restricted contents because of its performance. But it is not a good VPN protocol for online security, confidentiality and for maintaining online anonymity because of its low encryption.
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