December 2010
Intermediate to advanced
363 pages
12h 21m
English
book
Pro PHP Security: From Application Security Principles to the Implementation of XSS Defenses, Second Edition
by Chris Snyder, Michael Southwell, Thomas Myer
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PHP Safe Mode
PHP's Safe Mode is an attempt to solve at least some of the security problems inherent in access issues by modifying the behavior of applications written in PHP. While it may be wrong-headed to attempt to solve system-level problems at the application level, nevertheless there has been considerable interest in Safe Mode as a possible solution. And so some sysadmins have decided to run PHP in Safe Mode on their own servers. Similarly, some hosts have decided that they will offer PHP only in Safe Mode.
When operating in Safe Mode, PHP allows the owner of a script to operate on only its own files and directories. This restriction does indeed greatly minimize the possibility of PHP's being used to carry out attacks on system integrity, ...
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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.