I had good results with QueryCaptcha as well. Do you have experience with
it? I wonder how it compares with QuestyCaptcha.
On Wed, Aug 1, 2012 at 10:29 AM, 2007(a)gmaskfx.com <2007(a)gmaskfx.com> wrote:
Bernhard ,
I have found questycaptcha to be the most successful at blocking
bots from adding users. Basically it asks a question such as "Where is
Tokyo?" and the answer is "Japan". This has been working pretty well but
lately I have noticed that some bots are still getting through so I might
need to change my question.
http://www.mediawiki.org/wiki/Extension:QuestyCaptcha
Adrian
________________________________
From: "Scheid, Bernhard" <Bernhard.Scheid(a)oeaw.ac.at>
To: "mediawiki-l(a)lists.wikimedia.org" <mediawiki-l(a)lists.wikimedia.org>
Sent: Wednesday, August 1, 2012 3:36 AM
Subject: [MediaWiki-l] spam users
Hi,
I am running a couple of relatively small academic Wikis mainly for
educational uses at university. Thus there is relatively little traffic
apart from course time. Nevertheless, some two years ago I noticed more and
more spam and thus reduced editing rights first to registered users, then
to users of a special group that need my personal acknowledgement. Now, in
recent months there is an increasing number of new users (robots?)
obviously attempting to write spam which they do not do but they are kind
of spamming the lists of registered users. I could reduce the registration
rights but on the other hand I want students to register freely in order
to obtain their editing permissions. Is there a decent way to detect and
prevent harmful would-be spammers from setting up an account without
preventing that option for serious users?
Best
Bernhard
***************
Dr. Bernhard Scheid
Austrian Academy of Sciences
Institute for the Cultural and Intellectual History of Asia
Apostelgasse 23
1030 Vienna, Austria
Tel.: +43-1-51581 6424
E-mail: bernhard.scheid(a)oeaw.ac.at
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