IP Security: A Brief Survey

Zhijun Ni, ni1999@hotmail.com

IP Security mechanisms, such as Authentication Header (AH) and Encapsulating Security Payload (ESP) Header, are important for Internet security to ensure integrity, authentication and confidentiality for data transmission.

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Table of Contents

• Introduction
• What is IP security?
• How can IP Security be achieved?
• What is a Security Association (SA) ?
• IP Security Mechanisms
• Authentication Header (AH)
• AH Header Format
• Using AH Header
• Encapsulating Security Payload (ESP) Header
• ESP Header Format
• Using ESP Header
• Key Management
• Key Distribution
• Keying Approaches for IP
• Usage
• Use with Firewalls
• Use with IP Multicast
• Use to provide QoS Protection
• Use in Multi-level Networks
• Reference

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