Web Hacking: Attacks and Defense

Introduction

Â	Truth is one, but error proliferates. Man tracks it down and cuts it up into little pieces hoping to turn it into grains of truth. But the ultimate atom will always essentially be an error, a miscalculation.	Â
Â	--René Daumal (1908–1944), French poet, critic.

“We're Secure, We Have a Firewall”

If only we had a nickel for every time we've heard a client utter these words. We'd probably not be writing this book; rather, we'd be sipping Piña Coladas on some white sand beach by now and… .

If you're skeptical, all warm and cozy next to your firewall, just remember this: Over 65% of reported attacks occur via TCP port 80, the traditional Web port (http://www.incidents.org). Is the threat to the Web real? You bet—it's all too real. ...