Security Parameters Index: Difference between revisions

Revision as of 08:07, 28 February 2015

Revision as of 16:01, 25 April 2015

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This works like port numbers in TCP and UDP connections. What it means is that there could be different SAs used to provide security to one connection. An SA could therefore act as a set of rules.

Carried in [[IPsec#Encapsulating_Security_PayloadEncapsulating Security Payload|Encapsulating Security Payload (ESP)]] header or [[IPsec#Authentication_Header|Authentication Header (AH)]], its length is 32 bits.

[[Category:IPsec]]