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Spam bot attack..


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#1 Chilimagik

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Posted 30 April 2006 - 09:35 PM

Well recently I have been getting loads of emails sent through my contact form on my site which is just a basic script.. how can i stop this? I know about using images etc but dont know where to start..

#2 kenrbnsn

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Posted 30 April 2006 - 10:53 PM

You should read this article on the "[a href=\"http://www.nyphp.org/phundamentals/email_header_injection.php\" target=\"_blank\"]Email Header Injection Exploit[/a]" at www.nyphp.org. Also read the articles in the "Articles" & "Library" section at the [a href=\"http://phpsec.org/\" target=\"_blank\"]PHP Security Consortium.[/a].

Ken

#3 SharkBait

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Posted 01 May 2006 - 10:25 PM

Depending on how fast the spam is, you could put a delay on the time between posts.

What about using one of those 'Captcha' images? Those randomly generated images that are used to have a human enter a set of characters?




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