Technology - IP Techniques 4 - IPsec Security

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Last updated: 18 Dec 2007 Update History

Report Status: Archived

Report Pages: 13

Analyst: Robin Whittle


IP Security (IPsec) is IPv4’s and IPv6’s built-in cryptographic system, for authentication and encryption of each packet’s contents. We discuss IPsec’s header structure, tunnelling to create Virtual Private Networks (VPNs), key-pair generation, hash algorithms, Cyclic Redundancy Checking (CRC) and modes of operation, including AH (Authentication Only), ESP (Encapsulating Security Header) and Tunnel Mode.

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