May 2014
Intermediate to advanced
150 pages
3h 18m
English
Content preview from Penetration Testing with the Bash shellBecome 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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Interrogating the DNS servers
DNS servers exist to provide an association between the IP addresses that computers use and the domain names that people use. Usually, companies and organizations use multiple subdomains and may even use multiple domain names for a given IP address. Naturally, this means DNS servers are a wealth of information for a penetration tester looking to define the public footprint of an organization and map out his/her attack surface.
Using Dig
The first command-line tool we will be using here is called Dig. Dig is essentially a DNS lookup Swiss Army knife and facilitates just about everything you would need to know about a given domain or the domains related to an IP address. Using Dig, you will be emulating—actually performing—the ...
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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.