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CCIE Professional Development Series Network Security Technologies and Solutions by Yusuf CCIE No. 9305 Bhaiji

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Chapter 15. IPsec VPN

With the growing volume of information proliferating on the Internet and data traversing insecure channel mediums, information security and data privacy are becoming imperative. Secure communication is becoming increasingly important when sensitive data traverses insecure shared channels.

IPsec VPN (Internet Protocol Security, Virtual Private Network) is a standard defined by the IETF (Internet Engineering Task Force) that provides data confidentiality, authentication, and integrity for IP traffic at the network layer of the OSI (Open System Interconnection) model. The IPsec framework is one of the essential frameworks that is used for secure communication.

This chapter provides a basic overview of various types of VPN technologies ...

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