June 2019
Intermediate to advanced
264 pages
7h 4m
English
Content preview from Real-World Bug Hunting
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14SUBDOMAIN TAKEOVER
A subdomain takeover vulnerability occurs when a malicious attacker is able to claim a subdomain from a legitimate site. Once the attacker controls the subdomain, they either serve their own content or intercept traffic.
Understanding Domain Names
To understand how a subdomain takeover vulnerability works, we’ll first need to look at how you register and use domain names. Domains are the URLs that access websites, and they’re mapped to IP addresses by Domain Name Servers (DNS). Domains are organized as a hierarchy, and each part is separated by a period. The final part of a domain—the rightmost part—is a top-level domain
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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.