IPSec
The TCP/IP family of protocols is used to transfer data over the Internet. However, unauthorized people can intercept the data packets in TCP/IP transmissions. The IP Security Architecture (IPSec) protocol suite was designed by the Internet Engineering Task Force (IETF) to overcome the security threats in TCP/IP networks.
IPSec is essentially a set of extensions to the IP protocol. IPSec supports authentication, integrity, access control, and confidentiality of data packets at the network layer. IPSec is an ideal network security measure because of the various advantages it offers. For example, if an organization implements security at the IP level by using the IPSec suite, it ensures security for all applications, whether or not those ...
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