May 2015
Beginner to intermediate
118 pages
2h 29m
English
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Chapter 2. Network Fundamentals
Before it's possible for us to use Nmap as a tool, we first need to understand the very basics of how it works. In order to scan networks (including the Internet), we must initially understand the concepts on which all networks are built. Although this book will not describe in-depth networking concepts—you won't become a packet ninja by learning to use Nmap—we do need to ensure that we can interpret the scan results from standard and advanced Nmap scans. Without the fundamentals of networking, we will not be able to scan at all!
The following topics will be covered in this chapter:
- How networks work
- The difference between TCP and UDP
- An introduction to ports
- How port scanning works
- How service version detection and banner ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.