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Upgrading and Repairing Networks, Fifth Edition by Mark Edward Soper, Terry W Ogletree

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CHAPTER 46. Virtual Private Networks (VPNs) and Tunneling

SOME OF THE MAIN TOPICS IN THIS CHAPTER ARE

What Is a VPN? 894

Protocols, Protocols, and More Protocols! 895

IPSec Protocols 895

The Point-to-Point Tunneling Protocol (PPTP) 899

Layer Two Tunneling Protocol (L2TP) 900

Creating a VPN Connection with Windows XP Professional 901

Selecting a Router with VPN Support 904

Security is a big issue both in the corporate network and on the Internet at large. As has been discussed in previous chapters, the basic TCP/IP protocols weren’t particularly designed with security in mind. However, over the years many new developments have built on the current TCP/IP base that provide for more secure connections over wide area networks (WANs), such as the ...

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