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adding image validation on website

Vinay Singh
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Joined: Dec 15, 2004
Posts: 174
Now days when you register on any site, they ask you to enter the character that appear in a image.for eg if you register your self on craiglist
https://accounts.craigslist.org/login/signup
you have to enter verification word.
Any idea how can we do that on jsp/jsf website ?


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Ulf Dittmer
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Joined: Mar 22, 2005
Posts: 41029
    
  43
That's called a "captcha"; googling for "java captcha" should point you in the right direction. There's at least one called "jcaptcha".


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Tarun Yadav
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Joined: Sep 20, 2007
Posts: 134
As I'd mentioned once before, on another thread asking about CAPTCHAs, you could take a look at the web based service from Carnegie Mellon, called reCAPTCHA. It's a project aimed at digitizing books while providing the CAPTCHA feature.
Vinay Singh
Ranch Hand

Joined: Dec 15, 2004
Posts: 174
thanks guys. I did not knew the name of this service.
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: adding image validation on website
 
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