Lec-59: What is IPSec Protocol | IPsec Introduction | Computer Networks

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What is IPSec Protocol is described by Varun sir in this video.

IP security(IPSec):

IETF Standard
Network layer protocol(Used both by IPV4 & IPV6)
Uses of IP Security
1. Confidentiality
2. Authentication/Integrity
3. Replay Attack Protection
Collection of Protocols
1. Encapsulating Security Payloads(ESP)
2. Authentication Header (AH)
3. Internet Key Exchange(IKE)
Two Modes of Operation(Transport Mode & Tunnel Mode)

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