From: Aredridel Date: 2004-07-06T08:00:41+09:00 Subject: Re: Wiki spam On Tue, 2004-07-06 at 06:32 +0900, David G. Andersen wrote: > On Tue, Jul 06, 2004 at 01:43:34AM +0900, Aredridel scribed: > > On Mon, 2004-07-05 at 18:31 +0900, Gavin Sinclair wrote: > > > Folks, > > > > > > As many people will know, the RubyGarden wiki > > > (http://www.rubygarden.org/ruby) has been under constant spam attacks for > > > a while now. Does anyone have any idea how to prevent these attacks? > > > > Yes. Alter the engine so that external URLs go to a non-indexed-by- > > search-engines "leaving the site" page. It effectively kills any > > pagerank that adding a link would add to the linkee. That's both good > > and bad, but it's a short-term solution. > > > > It may be that a simple HTTP redirect script would work, too, but I'm > > not sure. > > This removes the long term incentive, but the spammers can't > be counted on to realize that their spam isn't effective... just > as they don't care about filling my mailbox, even though I'll never > click. I'm not sure. It seems to have effectively cut down on link-spam in a blog I visted this morning. It's hard to tell, though, with the editing. They do post that they've done so, though. > The capcha solution seems like the most preferable way to go > about it. Just make sure it has an alternative non-visual captcha > for the visually impaired. I'd only go Capcha if the other failed, though. Ari