How IPSec works? and what are the different packets which are exchanged during runnel formation?

Question

Accepted Answer

IPSec is a protocol suite used to secure IP communications by authenticating and encrypting each IP packet.

IPSec operates at the network layer of the OSI model.
It provides data confidentiality, integrity, and authentication.
IPSec uses two main protocols: Authentication Header (AH) and Encapsulating Security Payload (ESP).
During tunnel formation, the following packets are exchanged: IKE Phase 1 Main Mode, IKE Phase 1 Aggressive Mode, IKE Phase 2 Quick Mode.

Accepted Answer

It exchange encryption method ,data integrity ,DH ,life time ,and share secreate key to farm Ip tunnel

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