February 2019
Beginner to intermediate
302 pages
7h 58m
English
Content preview from Hands-On Penetration Testing with Kali NetHunter
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UDP scanning
In this section, we are going to discuss the concepts of UDP scanning and its benefits to a penetration tester. The first thing we need to understand is what happens in UDP scanning when an open or closed port is encountered. That answer is displayed in the following table:
|
Port status |
Result |
|
Open |
No response |
|
Closed |
ICMP Port Unreachable message returned |
Performing a UDP-based scan in Nmap is easy. To do so, we select the UDP scan option from the Nmap window, as shown in the following screenshot:
UDP scan option
These types of scans are worth attempting however as the network admins have been known to ...
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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.