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Chapter 7, Problem 13RQ
Program Plan Intro

Point to Point Tunneling Protocol (PPTP):

  • PPTP is one of the tunneling protocols that can be used to implement VPN (Virtual Private Networks).
  • This protocol generally depends on point to point protocol and also on all security features but does not describe encryption or authentication features.
  • To encapsulate point to point protocol (PPP) packets, it generally uses TCP (Transport Control Protocol) channel and also a general routing encapsulation tunnel.

Layer 2 Tunneling Protocol (L2TP):

  • L2TP is a VPN (Virtual Private Network) tunneling protocol.
  • L2TP over IP security (IPsec) generally provides both user and system level authentication and also data encryption and authentication.
  • It is a standard accepted protocol and are used by multiple vendors.

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