Copyright 2002 by
Prentice Hall, Inc.
Three ways to use VPNs:
Remote Access VPNs:
employees a way to access an enterprise
intranet by dialing a specific ISP.
Remote Office VPNs:
give enterprises a
way to create a secure private network
with remote offices.
The ISPís VPN
equipment encrypts all transactions.
give enterprises a way to
conduct e-business with trading partners.
Security in the Internet Age: