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Anti spam form without captcha


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guest-rocky5    (2009-01-22)
Anti spam form without captcha

Hi,

I'm looking for some new ways to make a secure anti-spam form without captcha, I know a few ways, but I'd like to find others.

Here's what I implemented :

- Hidden field with the date then verification by PHP (a human can't post in milliseconds)
- Hidden empty field to be filled by bots with CSS style="display:none"

Also what's the effect of this line ?

<input type="submit" name="submit" value="Submit" onClick="this.form.submit(); this.disabled=true;">

Thanks !


guest-0642c4    (2009-02-24 19:16:31)
this.disabled=true;

The aim of this line is only to prevent a user to post the same content twice!

<input type="submit" name="submit" value="Submit" onClick="this.form.submit(); this.disabled=true;">



guest-847dd7    (2009-05-25 14:30:53)
opinion

Chrome still doesn't support Linux-based systems http://www.frogmix.com/search/Linux-based+systems . I'm really disappointed that they haven't yet released version of Chrome with native Linux support. Seems like they’re missing a large audience until they do.


guest-f135a7    (2010-01-05 15:45:23)
Anti spam form without captcha

http://www.orisline.ru/ the best anti captcha sample


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