[Catalyst] Wiki spam

[Shlomi Fish]

On Friday 07 April 2006 02:48, Kiki wrote:
> The wiki got spammed too (about 2-3 hours ago). It's a weird kinda spam:
> invisible (by css) "googly" referral links spam. 

I've been getting this spam a lot on my MediaWikis. The purpose of wiki spam 
is to raise the links' PageRank and they don't care about people clicking 
them.

I found two good ways to battle it:

1. Limit the wiki to registered users only (I also want to enable an 
email-handshake but MediaWiki does not support it yet.)

2. Enable the MediaWiki Spam Blacklist extension and update the blacklists 
regularly:

http://meta.wikimedia.org/wiki/SpamBlacklist_extension

The Spam Blacklist extension accepts a list of regular expressions as input, 
so it would be possible to create a similar solution for Trac.

These two solution have reduced the amount of wiki Spam considerably, but I'm 
still getting some.

Regards,

	Shlomi Fish

> Looks like the work of 
> a not too bright bot (only standard trac wiki pages got spammed). The
> spammers IP address is: 212.106.129.12. Disabling anonymous edits was
> considered but not enforced due to the inability of the Trac wiki to
> allow automated sign-up of users.
>
> For those who are curious, you can see the spam in the next to last diff
> on the PageHistory of these pages:
>
>     * RoadMap <http://dev.catalyst.perl.org/wiki/RoadMap>
>     * TracLinks <http://dev.catalyst.perl.org/wiki/TracLinks>
>     * WikiPageNames <http://dev.catalyst.perl.org/wiki/WikiPageNames>
>     * TracAccessibility
>       <http://dev.catalyst.perl.org/wiki/TracAccessibility>
>     * WikiMacros <http://dev.catalyst.perl.org/wiki/WikiMacros>
>     * TracQuery <http://dev.catalyst.perl.org/wiki/TracQuery>
>     * TracReports <http://dev.catalyst.perl.org/wiki/TracReports>
>     * WikiHtml <http://dev.catalyst.perl.org/wiki/WikiHtml>
>     * WikiFormatting <http://dev.catalyst.perl.org/wiki/WikiFormatting>
>     * TracRoadmap <http://dev.catalyst.perl.org/wiki/TracRoadmap>
>     * TracInstall <http://dev.catalyst.perl.org/wiki/TracInstall>
>     * TracRss <http://dev.catalyst.perl.org/wiki/TracRss>
>     * TitleIndex <http://dev.catalyst.perl.org/wiki/TitleIndex>
>     * TracGuide <http://dev.catalyst.perl.org/wiki/TracGuide>
>     * TracSupport <http://dev.catalyst.perl.org/wiki/TracSupport>
>     * TracTickets <http://dev.catalyst.perl.org/wiki/TracTickets>
>     * RecentChanges <http://dev.catalyst.perl.org/wiki/RecentChanges>
>
>
>
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-- 

---------------------------------------------------------------------
Shlomi Fish      shlomif at iglu.org.il
Homepage:        http://www.shlomifish.org/

95% of the programmers consider 95% of the code they did not write, in the
bottom 5%.