[TYPO3-typo3org] little rant about TER captcha (but not only)
Thomas Hempel
thomas at work.de
Fri Jul 28 09:33:39 CEST 2006
Hi Elmar,
> if I want to attac a special machine, I still can do that with a few
> regular expressions of perl, even if the grammer and the numbers change
> within a small range by accident. The range is limited because your
> computer needs itself to understand it to produce the result.
>
> If you provide a catalogue of questions like "capital of italy" it is also
> limited so that questions occure again and again. So it is possible to mass
> attac this easily.
>
> ASCII based questions of this kind can give a better protection than none,
> but they are fare behind a real captcha.
Of course. But what is if you write the question onto a picture. Than it's much
harder to recognize AND you have to have a brain in your bot *AND* it's still
easy readable for humans.
Call it a combination of classic captchas and ASCII questions.
Greets,
Thomas
--
typo3-unleashed.net
More information about the TYPO3-team-typo3org
mailing list