Definition of Key Terms

Define the following key terms from this chapter, and check your answers in the glossary:

certificate; certificate authority (CA); asymmetric algorithm; symmetric algorithm; nonrepudiation; Rivest, Shamir, and Adleman (RSA); Diffie-Hellman (DH) Algorithm; Public Key Infrastructure (PKI); key pair; registration authority (RA); X.509v3

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This chapter covers the following topics:

Exploring the basics of IPsec: This section introduces an IPsec virtual private network (VPN) and its components. Additionally, you will explore specific devices in the Cisco VPN product family. Finally, you are presented with Cisco best-practice recommendations for VPNs.

Constructing an IPsec site-to-site VPN: This section walks you through the process of configuring an IPsec site-to-site VPN on an IOS router using the command-line interface.

Using Cisco SDM to configure IPsec on a site-to-site VPN: This section walks you through the process of configuring an IPsec site-to-site VPN on an IOS router using the Cisco Security Device Manager (SDM) interface.

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