We're now running at about 2 spam edits per second. Would it simply make 
sense to stop all edits until something is done to fix this? I estimate 
the number of spam edits, based on the front page stats, to be about 
100K, and the number of spam users to be around 2-3K.

kc

On 11/26/12 9:22 AM, Anand Chitipothu wrote:
>
> On 26-Nov-2012, at 10:39 PM, Tom Morris wrote:
>
>> On Mon, Nov 26, 2012 at 11:15 AM, Karen Coyle <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>>     The spammers spent a couple of days adding new accounts (undoubtedly
>>     thousands) and are now using those accounts to spam the site, at the
>>     rate of about 30 or more per minute. You can watch it happening in the
>>     "recently" page. Every spam is adding this:
>>
>>             <p><a
>>     href="http://download.clubfreebooks/qwert.php?sid=1&tds-key=book
>>     <http://download.clubfreebooks.org/qwert.php?sid=1&tds-key=book>"><img
>>     src="http://s017.radikal.ru/i400/1211/e7/458f4b34ab21.gif"; alt=""
>>     /></a></p>
>>
>>     Which is a blinking .gif for an ebook download. Here's the result
>>     (obviously, don't click on it)
>>
>>     http://openlibrary.org/works/OL98200W/Studies_in_critical_philosophy
>>
>>     They are also continuing to add new accounts.
>>
>>     I have no idea what the spam does, but suspect it's gathering data
>>     for,
>>     or creating, zombies for later use. Anyone know how to stop this?
>>
>>
>> That's crazy.  What web site in 2012 accepts and displays unsanitized
>> HTML?
>>
>> OpenLibrary is an attractive nuisance and as long as it's such a
>> tempting target, you won't be able to stem the tide.  Stop allowing
>> raw HTML and this will go away.
>
> We allow markdown in some fields. HTML is valid markdown. We sanitize
> the input to remove css and javascript. We also add rel="nofollow" to
> all external links to remove the incentive to add spam the site.
>
>   Looks like we need to handle images as well. Or a way to blacklist
> some URL patterns and prevent edits containing them.
>
> Anand
>
>
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-- 
Karen Coyle
[email protected] http://kcoyle.net
ph: 1-510-540-7596
m: 1-510-435-8234
skype: kcoylenet
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