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Network and Data Security for Non-Engineers by Stephan S. Jones, Kevin Groom, Frank M. Groom

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Chapter 13

Web Security, DNS Security, and the Internet

To understand information security in regard to the Internet, we must start by discussing how the Internet works, examining the Internet Protocol (IP) and the Transmission Control Protocol (TCP), routing protocols, and Domain Name System (DNS) servers, including the technology employed as well as their various vulnerabilities.

The Internet is the global interconnection of computer networks (which we all use now on an everyday basis) that makes use of the TCP/IP to establish sessions between source and destination sites (TCP) and for addressing packets to be routed across the Internet to the desired destination.

Whereas the IP deals only with addressing packets that are to be routed across ...

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