Essential Computer Security: Everyone’s Guide to E-Mail, Internet, and Wireless Security

In order to better secure your home computer or home network, it helps if you have some basic knowledge of how it all works so that you can understand what exactly you are securing and why.This appendix will help provide an overview of the terms and technology used and some of the tips, tricks, tools, and techniques you can use to make sure your computer is secure.
This appendix will provide an understanding of what these terms are so that when you read about the latest malicious code spreading through the Internet and how it gets into and infects your computer, you will be able to decipher the techie terms and determine if this affects you or your computer and what steps you can or should take to prevent it.
The information in this appendix is a little more technical than the rest of the book, and is included for those who want to learn a little more and gain a deeper understanding of how computer networking works and the technologies that make it work.
In the Merriam-Webster Dictionary, protocol is defined in listing 3b as, A set of conventions governing the treatment and especially the formatting of data in an electronic communications system. I m not sure that makes things much clearer to a layperson.
Put simply,...