IPSec

A set of security protocols used at the network layer of the OSI model

Secures data when communication is happening between two points over a network. To ensure the data transferred over the internet cannot be stolen by using authentication and encryption algorithms

Firstly, the two points will identify each other and negotiate the parameters for encryption methods and authentication. Then, it creates an IPSec tunnel.

<p>A protocol that offers authentication and integrity</p> Signup and view all the answers

<p>A protocol that offers authentication, integrity, and encryption</p> Signup and view all the answers

<p>Sender and receiver must share a public or a private key to encrypt and decrypt the data.</p> Signup and view all the answers

<p>An ESP header, ESP trailer, and ESP authenticator is added to the original packet. TCP header, Payload and ESP trailer are encrypted.</p> Signup and view all the answers

<p>When two devices connect over the public internet</p> Signup and view all the answers

<p>A New IP header is attached to the packet. The old IP header, TCP header, payload and ESP trailer is encrypted which provides more security</p> Signup and view all the answers

<p>When two sites connect over the public internet using a VPN</p> Signup and view all the answers