The ESP protocol provides data confidentiality (encryption) and authentication (data integrity, data origin authentication, and replay protection). ESP can be used with confidentiality only, authentication only, or both confidentiality and authentication.
Does IPSec provide confidentiality?
IPSec is a framework of open standards that provides data confidentiality, data integrity, and data authentication between participating peers at the IP layer. IPSec can be used to protect one or more data flows between IPSec peers.
What component of IPSec provides confidentiality?
IPSec Components
Encapsulating Security Payload (ESP): Provides confidentiality, authentication, and integrity. Authentication Header (AH): Provides authentication and integrity.