June 2012
Intermediate to advanced
576 pages
19h 10m
English
Content preview from Network Forensics: Tracking Hackers through CyberspaceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 11. Network Tunneling
“All that is required is the ingenuity . . .”
—daemon9, coauthor of Loki1
Network tunnels are methods of encapsulating traffic in different types of protocols. Although the concept of tunneling sounds sneaky, network tunnels are often used for legitimate purposes, such as aggregating network traffic across switched virtual circuits. In certain circumstances, network tunnels are used to provide a layer of encryption for data in transit. Tunnels can also be used for illegitimate purposes, in order to hide content in ways that firewalls and NIDSs are not instrumented to detect or prevent.
In this chapter, we explore the inner workings of network tunnels, what they are used for, and how to detect and dissect them. We ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.