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IPsec Virtual Private Network Fundamentals by - CCIE No. 6085 James Henry Carmouche

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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:

image Security Protocols

image Key Exchange Mechanisms

Algorithms Required for Encryption and Secure Key Exchange

SA Definitions and Maintenance

In this ...

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