ISAKMP – Internet Security Association and Key Management Protocol
(ISAKMP) is a protocol defined by RFC 2408 for establishing Security Associations (SA) and cryptographic keys in an Internet environment.
The key management protocol ISAKMP provides shared security information. The Internet
key management protocol is defined at the application layer. The IETF specifies the Internet security protocol and the ISAKMP to implement IPSec key management, SA authentication for identity authentication, and key exchange technology.