Chapter 15. Virtual Private Networks
On completion of this chapter, you will be able to perform the following tasks:
Define virtual private networks (VPNs).
Identify how the PIX Firewall enables a secure VPN.
Describe basic Internet Key Exchange (IKE) operation.
Describe the difference between IP Security (IPSec) tunnel and transport modes.
Identify IPSec standards supported by the PIX Firewall.
A VPN is a service offering secure, encrypted connectivity over a shared, public network infrastructure such as the Internet. Because the infrastructure is shared, connectivity can be provided at a lower cost than by existing dedicated private networks.
The Cisco PIX Firewall is a powerful enabler of VPN services. The PIX Firewall's high performance, conformance ...
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