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Alagad Captcha Component

By Alagad Inc. May 03, 2005
6,087 Downloads

Rating = 34 votes


The Alagad Captcha is a ColdFusion Component (CFC) written in 100% native ColdFusion which generates images of obfuscated text. The text is intended to be human readable but not machine readable. By comparing a user provided string to the known value of the string displayed in the image, you can confirm that a human, not a computer, is interacting with your application. Captcha is an acronym for "completely automated public Turing test to tell computers and humans apart". Captcha images tend to be used on web forms to prevent automated submission by computers. More information on Captchas can be found at http://en.wikipedia.org/wiki/Captcha. The Alagad Captcha component requires no third party software to operate and no additional configuration. Because the Alagad Captcha is written in pure ColdFusion and instantiates only native Java objects, it compiles with the rest of your CFML files to Java bytecode. The Alagad Captcha requires almost no effort to install and use. Simply place the component into your custom tags directory or any directory in your site and then instantiate it. Once you have the Captcha component instantiated you can use its methods to begin generating Captcha images.

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Additional extension information

Author: Alagad Inc.
Author website: http://www.doughughes.net
Date published: May 03, 2005
Approval: None
Browsers: AOL | Internet Explorer ALL | Netscape ALL | Opera ALL | WebTV
Compatible Products(s): ColdFusion MX 6.1
Encrypted: Yes

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