[squeakland] Re: forum spam

[Timothy Falconer]

Thank you for pointing me to this.  I have implemented it on our  
forums.  Hopefully we won't see spam again :)

On Jul 23, 2009, at 12:10 AM, sidney wrote:

> Teefal,
>
> Are you sure that it is humans registering and not bots? I admin  
> several web boards and I have found that there are bots that are  
> able to register on the common boards, including PHPBB, solving the  
> CAPTCHA images within seconds, responding to the email verifcation,  
> and then posting messages.
>
> I have found a simple mechanism that stops all of those bots I have  
> yet encountered at the expense of requiring real users to have  
> Javascript enabled when they register. Javascript would not be  
> required for your users for any other use of the forum other than  
> the actual registration. I have yet to find a bot that runs  
> Javascript.
>
> With some forum software I modify the registration form myself, but  
> there is a published antispam mod for PHPBB2 that happens to require  
> users to be running Javascript and that takes care of everything  
> that is necessary.
>
> The mod is called hashcash, and you can find it at http://www.phpbbhacks.com/download/8649
>
> I just found out about EToys, looked here to see if my son, who has  
> been programming in Scratch, would be interested, and saw the  
> horrendous spam problem you have been having. I hope this suggestion  
> helps you. I know that hashcash or any other mechanism that requires  
> Javascript can be exceptionally effective at stopping the  
> registration bots when nothing else has worked.
>
>
>
>
> -------------------- m2f --------------------
>
> (from forum)
> http://squeakland.org/forums/viewtopic.php?p=9696#9696
>
> -------------------- m2f --------------------
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