Internet Protocol Security - IPSec

Giriş
Internet Protocol Security - IPSec ile ilgili notlarım şöyle.

Authentication Header
Açıklaması şöyle

Authentication Header adds a cryptographic signature to each packet, which ensures nothing has modified it and it came from the correct source. AH is, obviously, not compatible with NAT.

Encapsulating Security Payload
Integrity Check Value alanının açıklaması şöyle

ESP's ICV is just a checksum to ensure the packet hasn't been damaged. It does not ensure the packet has not been altered, or authenticate who sent it.