Today I will discuss:1. How does IPsec work?2. What Protocols Are Used In IPSec?Gateway ⛩ to become Skilled-Cybersecurity Professional 🕴🕴🕴 https://luminisindia.com/goehm--🔥🔥What Is IPSec?🔥🔥Here IP stands for 'Internet Protocol and 'Sec' for secure. The Internet Protocol is the main routing protocol used on the Internet and it designates where data will go using IP addresses. IPSec is secure because it adds encryption and authentication to this process.IPSec is not a single protocol in itself rather it is a group of protocols which are used together to set up encrypted connections between devices. 🔥🔥What Protocols Are Used In IPSec?🔥🔥In networking, a protocol is a specified way of formatting data so that any networked computer can interpret the data. IPSec is not one protocol, but a suite of protocols.Kindly note that while the Internet Protocol (IP) is not part of the IPSec suite, But IPSec runs directly on top of IP.The following protocols make up the IPSec suite:🎯 Authentication Header (AH):The AH protocol ensures that data packets are from a trusted source and that the data has not been tampered with, like a tamper-proof seal on a consumer product. These headers do not provide any encryption; they do not help conceal the data from attackers.🎯 Encapsulating Security Protocol (ESP):ESP encrypts the IP header and the payload for each packet — unless transport mode is used, in which case it only encrypts the payload. ESP adds its own header and a trailer to each data packet.🎯 Security Association (SA):SA refers to a number of protocols used for negotiating encryption keys and algorithms. One of the most common SA protocols is Internet Key Exchange (IKE).--_

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