On 30 May 2014 06:14, Stephen Gallagher <sgallagh@redhat.com> wrote:
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On 05/30/2014 06:23 AM, Ankur Sinha wrote:
> On Fri, 2014-05-30 at 15:22 +0530, Akshay Vyas wrote:
>> I don't think captcha will work, these are not bots, these are
>> the normal human who is intentional posting adds n all kinds of
>> marketing material
>
> I'd expect them to be bots. A human wouldn't be able to post 50
> questions in 3 minutes :/
>

No, but a human can do the signup and then point a bot at the site
once the sign-up is complete. (Not saying this is what happened, just
that it can)



Actually some places can do 50 questions in 3 minutes with humans. The humans sit behind a proxy and use a shared users login. They do all the captcha stuff for a bot to post the ad. In the end, you can only do so much to stop this.  Captcha stuff works for the less sophisticated bots but won't stop the forced labour spam operations. 

I would say finding throttle software which allows one post per minute to make it more expensive for them to post a lot. The goal is to make it expensive enough that they will want to go somewhere else versus keep at it here.

--
Stephen J Smoogen.