Not sure how much of this is already known, but thought I'd mention it just in case...

Both Wikimedia and chongqed.org maintain a spam domain blacklist:

http://meta.wikimedia.org/wiki/Spam_blacklist
http://blacklist.chongqed.org/

And there is Wikimedia extension that requires users to pass a captcha to make edits, but it only works with Wikimedia 1.6+:

http://www.mediawiki.org/wiki/Extension:ConfirmEdit

(I've never made an edit to the Haskell wiki, so for all I know there might be a captcha system in place already).

Again, sorry if this is already common knowledge.

On Mon, Jan 19, 2009 at 2:41 AM, Heinrich Apfelmus <apfelmus@quantentunnel.de> wrote:
Ashley Yakeley wrote:
> There has been a lot of spam on HaskellWiki. Since anonymous edits have
> been switched off, a spammer tactic has been to create hundreds of
> accounts to evade individual account blocks.
>
> To combat this, I have
>
> 1. deleted all user accounts that have made no edits;
> 2. switched off account creation;
> 3. blocked at least some of the remaining spam accounts.
>
> This is obviously not ideal, as there is now no way for new users to
> edit the wiki. I will investigate appropriate ways to allow account
> creation.

Maybe it could help to restrict the account creation rate per IP? For
example, every IP may only create one account per 12 hours.


Regards,
apfelmus

--
http://apfelmus.nfshost.com

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