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On 01/08/12 11:36, Scheid, Bernhard wrote: > 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? > Determined human spammers are hard to beat, but fortunately not great in numbers. Questy captcha is wonderful at shutting out the bots. You can expect a massive reduction as soon as you have set your questions. You just set questions that are simple to answer, often based on what is on-screen at the time of registration. Bots can't handle that. Anne - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlAZB30ACgkQj93fyh4cnBexKwCfSQqkMeiyysMT177si4NzezEm ryAAnA/rz5jCetvqHT7QVluS6mekd2Tl =iCTi - -----END PGP SIGNATURE----- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlAZdVIACgkQj93fyh4cnBe9tACbB6BAN2d1UnluRP6zByTgt0ry JjQAn1m9M1x06kbKpPhyK/IjX6oezI2l =uZdF -----END PGP SIGNATURE----- _______________________________________________ MediaWiki-l mailing list MediaWiki-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
