Re: [libreoffice-website] Re: Does wiki want to come out and play? - Problem - ReCaptcha

Hi,

Rainer Bielefeld wrote on 2012-10-06 07:50:

> not really. There are many alternative Captcha alternatives with the
> advantage that it's not so difficult to read and input the shown code.
> My wife is visually handicapped, her resume is that she can handle any
> visual captcha except ReCaptcha, and until now she did not find any
> "acoustic captcha" working for her.
>
> But it seems that most admins do not accept alternatives as effective
> method.

my question was meant seriously, i.e. I really would like to have 
feedback what kind of mechanism people prefer. :-) It's clear that we 
have to do something, because we are a major target for spam.

Here is the list of available Captchas: 
http://www.mediawiki.org/wiki/Extension:ConfirmEdit

I've taken ReCaptcha, since that's quite common and provides audio 
support, so I thought it's the best alternative also for people with eye 
issues. Asirra had problems in the past, and is not suitable for people 
who cannot see properly, since there is no audio support.

FancyCaptcha has no audio support either, and MathCaptcha doesn't work 
currently, since the required extension only runs on older MediaWiki 
versions.

I've now switched to SimpleCaptcha, requiring to solve an easy math 
question, and hopefully screenreader supported. On the counterside, I 
expect that this does NOT help against wiki spam at all, since bots are 
that clever so they can answer trivial questions.

Another solution would be 
http://www.mediawiki.org/wiki/Extension:ConfirmEdit#QuestyCaptcha, given 
someone comes up with a list of nice questions.

Florian

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