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Shirley Mathew

Shirley Mathew

The IPsec suite is an open standard. IPsec uses the following protocols to perform various functions:[6][7]
Authentication Headers (AH) provide connectionless integrity and data origin authentication for IP datagrams and provides protection against replay attacks.
Encapsulating Security Payloads (ESP) provide confidentiality, data-origin authentication, connectionless integrity, an anti-replay service (a form of partial sequence integrity), and limited traffic-flow confidentiality.
Security Associations (SA) provide the bundle of algorithms and data that provide the parameters necessary to AH and/or ESP operations.