What Is Ipsec And How Does It Work?
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IPsec (Internet Protocol Security) is a protocol suite for securing Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session. It provides security for IP–based networks by authenticating the identity of connected devices and encrypting data to prevent interception and alteration of data. IPsec works by authenticating and encrypting each IP packet of a communication session. It uses the following protocols to provide a secure connection: Authentication Header (AH), Encapsulating Security Payload (ESP), Internet Key Exchange (IKE) and Internet Security Association and Key Management Protocol (ISAKMP). The AH and ESP protocols provide authentication and encryption of data, while IKE and ISAKMP are used to establish and manage the secure connection.