| Аннотація | The Internet connects millions of people around the world and allows for immediate communication and access to a seemingly limitless amount of information. Data, video, and voice, almost every single type of communication, travels across the Internet. Some of this communication is private.
The language of the Internet is IP, the Internet Protocol. Everything can, and does, travel over IP. One thing IP does not provide, though, is security. IP packets can be forged, modified, and inspected en route. IPSec is a suite of protocols that seamlessly integrate security into IP and provide data source authentication, data integrity, confidentiality, and protection against replay attacks
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