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Posted by Michael Vilain on 12/27/05 02:13
In article <1135625992.013830.156120@g44g2000cwa.googlegroups.com>,
"Shelly" <sheldonlg.google@asap-consult.com> wrote:
> Good thought about the bots. Thanks.
>
> As for the rest, what do you mean by GD?
>
> I suppose it would go something like this:
>
> Send an email to them bringing them to the validation page.
>
> Put in a random sequence of letters and numbers.
>
> When they type it, compare the two.
>
> Why do I need to md5 it and where would it go?
>
> Shelly
Do a google search on "php captcha". There are lots of hits on this.
This one explains it:
http://tinyurl.com/cydt6
The graphic letters and numbers you see in these pages are to defeat
'bots. They are an acroymn for "Completely Automated Public Turing-test
to tell Computers and Humans Apart" which I didn't know until just now.
You can certainly do a validation page without them.
--
DeeDee, don't press that button! DeeDee! NO! Dee...
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