can someone please explain me what the differences between the AH and ESP algorithms for IpSec are? I looked online and they all talk abt the differences between AH Transport & AH Tunnel OR ESP Transport & ESP Tunnel.. i understand transport n tunnle, but how, when and why to use either AH or ESP?
cheers,
can someone please explain me what the differences between the AH and ESP algorithms for IpSec are? I looked online and they all talk abt the differences between AH Transport & AH Tunnel OR ESP Transport & ESP Tunnel.. i understand transport n tunnle, but how, when and why to use either AH or ESP?
cheers,
ESP uses Protocol 50 AH uses Protocol 51
ESP is encrypted authentication AH is not
Also,
ESP - Provides data authentication, encryption, and antireplay services.
*Can be configured to encrypt the entire data packet or only the packet's payload.AH - Provides data authentication and antireplay services. *Primary function is origin authentication, to verify data is from the sender. It does not provide data encryption.
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