Explain Ipsec in detail

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IPsec is a protocol suite used to secure internet protocol (IP) communications by authenticating and encrypting each IP packet of a communication session.

IPsec provides security services at the IP layer by enabling secure communication over the Internet.
It uses encryption algorithms to ensure data confidentiality and authentication protocols to verify the identity of communicating parties.
IPsec operates in two modes: Transport mode, where only the payload of the IP packet is encrypted, and Tunnel mode, where the entire IP packet is encrypted and encapsulated within a new IP packet.
It can be used to establish Virtual Private Networks (VPNs) for secure remote access or site-to-site communication.
Commonly used IPsec protocols include Authentication Header (AH) and Encapsulating Security Payload (ESP).

Explain Ipsec in detail

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