Posted by Don Khuth on 09/28/23 11:43

"Don Khuth" <donkhuth@sympatico.ca> wrote in message
news:ZOMVf.616$m35.45300@news20.bellglobal.com...
> "KoRnDragon" <korndragon@gmail.com> wrote in message
> news:1143430063.601434.144680@u72g2000cwu.googlegroups.com...
>> I'm getting spam almost daily now from bots crawling my site. Well it
>> seems they've learned how to work a form as well. I added $_POST for
>> the form but it seems that's not enough anymore. Any suggestions?
>> Blocking keywords for the bots won't help. I need a better alternative.
>>
>> Thanks in advance!
>>
>
> Random turing numbers seems to be working for me so far.


/*correction*/
I haven't had any spam since I implemented that.


>
> <?php
> srand((double)microtime()*1000000);
> $string = md5(rand(0,9999));
> $_SESSION["turing"] = substr($string, 0, 5);
> ?>
>
> When the form is posted, check the posted value with the session value,
> chances are the post was made by a real person.
>

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