posted 10/29/2008 by Chris
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Mailto is a class written by Debugged Interactive Designs in PHP4 to obfuscate e-mail addresses from spam harvesters. The class lets you easily encode an entire anchor tag using ROT13 Encryption. At run-time, javascript is used to decode the ROT13 encryption. If javascript is disabled, then the e-mail address is safely shown by reversing the e-mail address using PHP and re-reversing (versing?) it at run-time using CSS.

posted 10/23/2008 by Chris
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Silvan Mühlemann wrote the article Nine ways to obfuscate e-mail addresses compared, where he uses 9 different e-mail addresses over a 1.5 year period.  On this page he published the e-mail addresses using 9 different techniques.  It turns out using ROT13 encoding (see our Mailto CakePHP helper) was one of the 3 techniques that "...are absolutely rock-solid and keep your addresses safe from the harvesters."

posted 10/8/2008 by Chris
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Captcha is a free, open source CakePHP Component wrapper class written by Debugged Interactive Designs to take advantage of the functionality provided by the Securimage class. Securimage is an open-source free PHP CAPTCHA script for generating complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added into existing forms on your website to provide protection from spam bots. It can run on most any webserver as long as you have PHP installed, and GD support within PHP. Securimage does everything from generate complicated CAPTCHA images to making sure the code the user entered was correct...

posted 10/8/2008 by Chris
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Mailto is a free, open source CakePHP Helper class, written by Debugged Interactive Designs, to provide a solution to spambots collecting e-mail addresses from websites. It encrypts the anchor tag (with PHP) using ROT13 encoding, and is decoded (with Javascript) at run-time. The ROT13 encoding simply shifts every letter by 13 places in the alphabet while leaving non-alpha characters untouched...

posted 07/3/2008 by Chris
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It seems that Amazon's Elastic Compute Cloud (EC2) (a web service that provides resizable compute capacity in the cloud - it is designed to make web-scale computer easier for developers) is having troubles fighting off all spam and malware....