Re: Scheme Cookbook spam

Gordon Weakliem <[email protected]> Mon, 31 Jan 2005 10:29:15 -0800 (PST)

Newsgroups	gmane.lisp.scheme.plt.schematics
Message-ID	<14523487.1107196155331.JavaMail.www-data@c005>

These 2 look suspicious, though they point to pages in chinese, the only word I can understand is "google"
http://schemewiki.org/view/Main/ZhiXiongkang
http://schemewiki.org/view/Main/RonRen

This page on one of his sites makes it look like he's offering AdWords
http://www.ronren.com/ppc/google.htm

This one looks suspicious, he points to a publishing company that doesn't seem to have anything to do with programming.
http://schemewiki.org/view/Main/JonathanBartlett

Can we just remove the <a> tag around the URL, or put rel="nofollow" onto the tag in the template? It's not a tragedy if these people just create an account so they can get a link, as long as they don't screw with the recipes.

I'd edit my self, but I've forgotten my password. Guess that's a hint that I need to start updating the wiki more...

--
Gordon Weakliem
http://www.eighty-twenty.net

-----Original Message from Anton van Straaten <[email protected]>-----

Noel Welsh wrote:
> I think we need to address this fairly promptly,
> before we get overwhelmed with SEO spam.

You mean you don't subscribe to the standard practice of waiting until after
the disaster to take preventative measures? ;)

You're right, of course.

Some relevant TWiki pages:
http://twiki.org/cgi-bin/view/Codev/WikiSpam
http://twiki.org/cgi-bin/view/Plugins/BlackListPlugin
http://twiki.org/cgi-bin/view/Codev/SpamDefeatingViaNofollowAttribute
http://twiki.org/cgi-bin/view/Codev/SpamProofingOfComments

On a quick scan, there don't seem to be any really solid automated solutions
for TWiki currently - the BlackListPlugin might help, and the nofollow
attribute is probably worth implementing in some form (perhaps just in the
Main web). Another possibility is the use of captchas, although I hope it
doesn't come to that.

However, I have a suggestion: how about requiring new signups to answer a
simple Scheme-related question? Not designed to test proficiency, but just
awareness of Scheme. For example:

"Enter one of the words obscured by x's in any of the following standard
(R5RS) Scheme identifiers:

syntax-xxxxx
inexact->xxxxx
call-with-current-xxxxxxxxxxxx"

Anton

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