Re: Re: security code
| From: | Richard Lynch | Date: | Thu, 10 Nov 2005 22:26:07 +0000 |
| Subject: | Re: Re: security code | ||
| References: | 1 2 3 4 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-225568@lists.php.net to get a copy of this message | ||
On Thu, November 10, 2005 10:45 am, Gustavo Narea wrote:
> CAPTCHA tests are indispensables. The problem comes when you *only*
> use
> visual tests (such as "visual turing numbers").
>
> If you need CAPTCHA tests, you may use them both visuals and audibles.
> This is a good example: https://www.e-gold.com/acct/login.html
So the user who is both blind AND deaf?
Or the blind user who is at a library computer with no audio output?
I saw some research where out of four people with "normal" hearing,
all four were unable to distinguish the crappy audio output into the
correct word and use a site.
Granted, a very small sample, and the audio from the test site may
well have been at the low end of the spectrum for quality. But it was
a real site, and these were just regular people roped in for a test of
the audio's usefulness.
As "cool" as CAPTCHA seems at first, I don't think it's going to be a
long-term solution.
--
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