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
Content preview from Pro PHP Security: From Application Security Principles to the Implementation of XSS Defenses, Second Edition
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C H A P T E R 6
Enforcing Security for Temporary Files
In Chapters 2 through 5, we discussed various ways in which your scripts may be vulnerable to malicious user input and suggested ways to sanitize that input in order to keep your scripts as secure as possible. We continue discussing script vulnerabilities in this chapter, but with a different focus. Here we examine how to use PHP to keep temporary files safe.
Temporary files may seem, well, temporary and ephemeral, hardly worth bothering with. They're present for an instant and then gone—maybe. But in fact such files are ubiquitous on our computers, working quietly away in the background ...
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