O'Reilly logo

Network Sales and Services Handbook by Matthew J. Castelli

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 16. Remote Access Virtual Private Networks (VPNs)

This chapter covers the following topics:

  • VPN Basics

  • Authentication

  • Tunneling Protocols

  • Encryption

  • PGP

  • PKI

  • MD5

  • IPSec

  • IKE

  • LAN-to-LAN VPN

  • VPN Architecture

Remote access is best defined as providing access to fixed site resources for users who are not at a fixed workstation at that same site's Local Area Network (LAN). The largest remote access user community is mobile or telecommuting users, such as a sales force or field engineering team. Figure 16-1 illustrates a traditional remote access network using the Public Switched Telephone Network (PSTN) or the Integrated Services Digital Network (ISDN).

Figure 16-1. Traditional Remote Access (PSTN/ISDN Transport)

Figure 16-1. Figure ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required