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Part I. ASA Architecture and Technologie... > Chapter 1. Examining the Role of VPN...
Chapter 1. Examining the Role of VPNs and the Technologies Supported by the ASA
This chapter covers the following subjects:
• Introducing the Virtual Private Network: In this section, you learn what a VPN is and the role it can play within and outside of an organization. In addition, VPN methods available on the ASA are discussed and compared.
• Meet the Protocols: This section introduces you to the all-important protocols that operate either independently or together to enable a VPN connection to successfully establish. As you move through the rest of this book, you might want to refer to this section to remind yourself of protocol-specific details.
• ASA Packet Processing: This section discusses the process that is followed by the ASA device for a packet traveling through it both inbound toward your internal environment and outbound away from it.