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Posted by Rik Wasmus on 10/16/07 22:46
On Tue, 16 Oct 2007 23:41:00 +0200, Puckdropper <puckdropper@yahoo.com>
wrote:
> "Rik Wasmus" <luiheidsgoeroe@hotmail.com> wrote in
> news:op.t0azsxob5bnjuv@metallium.lan:
>
>> On Tue, 16 Oct 2007 20:41:59 +0200, Mike <mikesava@optonline.net>
>> wrote:
>>
>>> I've created a form on a web site that asks for users comments. I am
>>> not asking anyone to register or login but I do ask them for an email
>>> address which is then checked for existence. After a few weeks I
>>> noticed lots of bogus advertising/spam comments from bogus Ids.
>>>
>>> I tried checking to see if the HTTP_REFERER was from my site before
>>> allowing the PHP code to update the MySQL tables but that didn't seem
>>> to work.
>>>
>>> Are there any tricks to stopping this kind of behavior?
>>
>> Captcha
>
> There are some simple variations such as picture CAPTCHAs where you have
> to select all the cats, or all the questions improperly posted to
> c.l.php. (Of these 3 questions, which one does not belong on c.l.php?)
Shouldn't that be reversed? :P
--
Rik Wasmus
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