On Fri, 2008-08-29 at 23:39 -0400, Eric Gorr wrote:
> On Aug 29, 2008, at 11:31 PM, Robert Cummings wrote:
>
> > On Fri, 2008-08-29 at 23:24 -0400, Eric Gorr wrote:
> >> On Aug 29, 2008, at 11:16 PM, Robert Cummings wrote:
> >>
> >>> On Fri, 2008-08-29 at 23:05 -0400, Eric Gorr wrote:
> >>>> On Aug 29, 2008, at 9:40 PM, Robert Cummings wrote:
> >>>
> >>> All CAPTCHA's are not easily crackable. Some are quite difficult.
> >>
> >> All someone has to do is hire someone to sit there and solve the
> >> captcha's. There are places in this world which, unfortunately,
> >> employ
> >> slave or virtually slave labor. If someone wants to fire that
> >> missile,
> >> it is certainly possible.
> >>
> >> They are _all_ easily crackable.
> >
> > A human tending to a CAPTCHA is not cracked, the human is performing
> > the
> > action for which the CAPTCHA was intended. While CAPTCHA's may be weak
> > to this kind of exploitation, this exploitation does not constitute a
> > crack.
>
> Remember, the purpose of a captcha is to prevent a spammer from
> performing some kind of action. Anything that would allow the spammer
> to perform that action is cracking that thing which was put into place
> to prevent it.
No, circumvention is not necessarily cracking. You have described the
"relay attack". See wikipedia section called "Human Solvers":
http://en.wikipedia.org/wiki/Captcha
Cheers,
Rob.
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