January 2008
Intermediate to advanced
672 pages
14h 51m
English
book
PHP & MySQL® Web Development All-in-One Desk Reference for Dummies®
by Janet Valade, Tricia Ballad, Bill Ballad
Content preview from PHP & MySQL® Web Development All-in-One Desk Reference for Dummies®
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Chapter 4. Programming Securely in PHP
In This Chapter
Handling errors safely
Sanitizing variables
Uploading files without compromising the filesystem
Adopting just a few good programming practices can eliminate the vast majority of application security holes. Sure, some highly educated, sophisticated individuals devote themselves to breaking into applications, but your application is much more likely to be compromised by high school kids with nothing better to do. Why? Because almost all security holes in PHP Web applications are based on a few sloppy programming practices — with the majority of those failings occurring in the Big Three areas of error handling, variable sanitation, and file uploading.
In this chapter, we cover the Big Three and tell you the best methods to keep your PHP applications out of harm's way.
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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.
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