May 2015
Beginner to intermediate
118 pages
2h 29m
English
Content preview from NMAP Essentials
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Comparing Nmap results with Ndiff
The last tool that comes packed with the Nmap suite is Ndiff. For those unfamiliar with the traditional *NIX tool "diff," it is designed to visually show the differences between two separate files of text. In other words, if you (for example) want to see which lines of code changed when a patch was applied, you can "diff" the new patch and the old code, and visually see the differences. The following screenshot shows a basic Nmap command:
In the preceding screenshot, we launched a scan against my web server—dshaw.net—for ports 80 and 81. We named our first scan scan1.xml and ran another scan against the same host—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.