In addition to authentication header (ah), IPsec is comprised of what other service such as Encapsulating Security Payload (ESP).
What is ESP?
- Encapsulating Security Payload (ESP) is a protocol in the Internet Protocol Security (IPsec) family that encrypts and authenticates data packets transmitted between computers via a Virtual Private Network (VPN).
- VPNs can operate securely due to the focus and layer on which ESP operates.
- The improved version of IPsec that is currently in use is an Internet-layer security protocol.
- It is pre-configured for IP-layer application security, whereas other protocols like Transport Layer Security (TLS) and Secure Shell (SSH) operate on the application layer.
- Another IPsec member protocol is Security Authentication Header (AH). ESP and AH can communicate between hosts and networks.
- In addition to authentication header (ah), IPsec exists composed of other services such as Encapsulating Security Payload (ESP).
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