Disabling CSA
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Posted by csudaya on March 8, 2006, 6:43 am
Please log in for more thread options text which is shown in a blurred fashion to the user. This is to confirm that the users disabling it is doing it intentionally and also not through any programmatic means. This technique is also widely used while creating email a/c 's in yahoo and in several other places in the web. My question is , what is this technique known as ? How does the system ensure that the text shown in the box is shown in a form which is intelligble to the user ? Can anybody in the forum explain ? Thanks Udaya | |||||||||||||||||||
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Posted by Christophe Fillot on March 8, 2006, 7:03 am
Please log in for more thread options Hello, AFAIK, it is known as "captcha". You have some interesting examples here : http://sam.zoy.org/pwntcha/ > How does the system
> ensure that the text shown in the box is shown in a form which is > intelligble to the user ? > > Can anybody in the forum explain ? > > Thanks > Udaya > | |||||||||||||||||||
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Posted by Sachin on March 8, 2006, 2:21 pm
Please log in for more thread options Hi Udaya,
The technique that you are referring to is called (CAPTCHA - Completely Automated Public Turing test to tell Computers and Humans Apart). It is an technique formulated by CMU. Check out the following website which has lots of nice tit-bits about CAPTCHA ... http://en.wikipedia.org/wiki/Captcha -Sachin http://www.SachinOnline.com | |||||||||||||||||||
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> text which is shown in a blurred fashion to the user. This is to
> confirm that the users disabling it is doing it intentionally and also
> not through any programmatic means. This technique is also widely used
> while creating email a/c 's in yahoo and in several other places in the
> web.
>
> My question is , what is this technique known as ?