On 8/22/07, adren <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I just want to warn Trac users that "invisible" spams links are being
> inserted by spammers in many Trac Wikis
>
> usually the links are put at the top (or bottom) of the page with a
> special style that renders the links invisible when looked in html
> mode
>
> usually the links are put in the form :
>
> --%<-----%<-----%<-----%<-----%<-----%<-----%<-----%<-----%<-----
> %<-----%<---
> {{{
> #!html
> <div style="position:absolute;left:-400000px;height:1px;">
> <a href="http://spammer.tld/v1agra.html";><b>cheap v1agra</b></a>
> </div>
> }}}
> --%<-----%<-----%<-----%<-----%<-----%<-----%<-----%<-----%<-----
> %<-----%<---
>
> to check for a sample of this kind of inserting :
> http://www.google.com/search?q=style%3D%22position:absolute%3Bleft:-400000px%3Bheight:1px%3B%22&client=iceweasel-a&rls=org.debian:fr:unofficial&start=0&sa=N
> (needless to say that there could be other ways to hide the links and
> this search is not exhaustive)
This is a well known trick, but your search is disturbing in that it
illustrates just how many Trac installs are unmaintained Spam facilitators :(
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