Posted by Jim Michaels on 01/24/06 08:04

If you are willing to pay for it, I found one that can't be OCR'd. the site
also shows the weaknesses of various CAPTCHAs.
http://www.ocr-research.org.ua/teabag.html

"Justin Koivisto" <justin@koivi.com> wrote in message
news:eIednQN5FPFDvVXeRVn-uQ@onvoy.com...
> Ramon wrote:
>> I want to be able to authorize access, and thus eliminate spambot
>> access, to the guestbook on my webpage by using a function like Google
>> and several others do. Google's is here
>>
>> http://www.google.com/addurl/?continue=/addurl
>>
>> I can research this, but I don't know what it's called, so I don't
>> know what to search for. Any help, especially search parameters and
>> maybe sample code, greatly appreciated.
>
> It's called a captcha - search for php captcha and you should get quite
> a few results.
>
> --
> Justin Koivisto, ZCE - justin@koivi.com
> http://koivi.com

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