Chapter 2. IPsec Fundamentals
Internet Protocol Security (IPsec), as defined in RFC 2401, provides a means by which to ensure the authenticity, integrity, and confidentiality of data at the network layer of the Open System Interconnection (OSI) stack. IPsec is a suite of protocols that define standards for four key elements needed in defining a comprehensively robust Virtual Private Network (VPN) enabler:
Security Protocols
Key Exchange Mechanisms
Algorithms Required for Encryption and Secure Key Exchange
SA Definitions and Maintenance
In this ...
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