links - web security-captcha

The most popular use of CAPTCHAs these days, is to display an image with text, for a human to retype. A computer program would not be able to read the text in the image.

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general

CAPTCHA http://en.wikipedia.org/wiki/CAPTCHA About CAPTCHA, on Wikipedia. Wikipedia : 2007
Stamp out Spam http://www.stampoutspam.net/ information, ideas, and code. Alex McKee : 2007
The CAPTCHA Code http://code.google.com/p/recaptcha/ Get the libraries, view the source. Google : 2007
The CAPTCHA Mail List (Google Group) http://groups.google.com/group/recaptcha Discussion about CAPTCHA code Google : 2007
The CAPTCHA Project http://www.captcha.net/ Explanantion of CAPTCHAs, how to use, many ideas for using them, where to get code (features reCAPTCHA). CAPTCHA Project : 2007

reCAPTCHA

reCAPTCHA http://recaptcha.net/ "Protect your site from abuse and help digitize books. Use our CAPTCHA on your site for free." Sign up for a key, download their library, and add to your form. reCAPTCHA : 2008
ReCAPTCHA summary http://en.wikipedia.org/wiki/CAPTCHA#Collateral_benefits A way to put the typing of CAPTCHAs to useful work. wikipedia : 2007
reCAPTCHA Wiki http://wiki.recaptcha.net/ "An unofficial repository for hints, tips, information and documentation about reCAPTCHA." How to integrate reCAPTCHA; How to change reCAPTCHA colors; FAQ Wiki : Aug 2007

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