PPTP is an abbreviation for Point To Point Tunneling Protocol. It is a protocol for connecting Windows NT clients and servers over Remote Access Services (RAS). Point To Point Tunneling Protocol can be used to create a Virtual Private Network between computers running Windows NT. It is an extension of PPP sponsored by Microsoft. Microsoft Point to Point Encryption may be used with PPTP to provide an encrypted connection that is more secure, but PPTP itself does not use any encryption technique.
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