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Q.
What is IPSec ?
IPSec provides a mechanism for secure data
transmission over IP network, ensuring confidentiality, integrity,
and authenticity of data communications over unprotected networks
such as the Internet.
Internet Key Exchange protocol ( IKE ) (
UDP port 500 ) is used for key and security information exchange.
Encapsulated Security Payload ( ESP
, protocol number 50 ) or Authentication Header ( AH
, protocol number 51) is used to encapsulated IP packet for
tunneled data. |
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Page last modified : 13 October 2008 |