Re: Re: security code

Hello. Richard Lynch wrote:

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?

You may find many possible solutions on the web-page I suggested. For example: Logic puzzles <http://www.w3.org/TR/2003/WD-turingtest-20031105/#logic>. As I said previously, It depends on the target of your website. For instance, if your website is for web designers, you may only need to use visual turing numbers: They must have a user agent which is able to process images and I cannot imagine a blind web designer. On the other hand, if your website is for programmers, you may want to know that programmers can be blind (although you won't take this into account): http://www.blindprogramming.com

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.

In the meantime, I think It's the best we can do. Best regards. -- Gustavo Narea. PHP Documentation - Spanish Translation Team. Valencia, Venezuela.