The communications technology of the public Internet, local area networks (LANs) and most wide area networks (WANs). The Internet Protocol (IP) is part of the TCP/IP protocol suite, and the terms "IP ...

The Internet revolutionized how people communicate and work together. It ushered in a new era of free information for everyone, transforming life in ways that were hard to imagine in its early stages.

Part 1 of this article looks at low-level communications protocols, including PPP and Ethernet, and their specific security features and requirements.] Now that we have discussed the lower-level ...