December 2008
Intermediate to advanced
336 pages
6h 58m
English
Content preview from Securing PHP Web Applications
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4 Buffer Overflows and Variable Sanitation
If you’re at all aware of Internet security, you’ve probably heard the term buffer overflow, followed by shudders, groans, and swearing. But if you’re unclear on what exactly a buffer is, let alone what would make it overflow, don’t worry. We explain the whole thing in this chapter. Once we nail down exactly what buffer overflows are, we talk about how to prevent them.
What Is a Buffer, How Does It Overflow, and Why Should You Care?
Buffer overflow attacks are particularly vicious because they allow attackers to do just about anything they want with your server. They can run remote applications, gain root access to your server, or simply cause the entire system to crash. ...
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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.