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Join Date: Feb 2002
Location: Lawn Guylen, NY
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I'm not sure if SMF supports this, but if you want them to stop keeping them from coming back, make it harder for them to re-register.
Make sure that no one can post unless they supply a unique, valid email address. Make them click on a link in their email before their accounts are activated, in order to make sure the email address is valid.
Also, use CAPTCHA images during the registration form. If they're using bots, this will prevent the bots from reregistering.
Make sure that no one can post unless they supply a unique, valid email address. Make them click on a link in their email before their accounts are activated, in order to make sure the email address is valid.
Also, use CAPTCHA images during the registration form. If they're using bots, this will prevent the bots from reregistering.
Dani the Computer Science Gal
Do you run a computer-related website? Feature it in our niche link directory!
Do you run a computer-related website? Feature it in our niche link directory!
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Join Date: Feb 2008
Location: France
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Light Poster
I think i have found a solution, in a bid to increase the numbers of new members in my forum, i disable the visual verification image because new members are too lazy to type in the letters, this open the door for spammers who use an automated bot to register.
Since i re- activate the visual verification image, spammers have disappear.
Since i re- activate the visual verification image, spammers have disappear.
Last edited by Oba : Mar 1st, 2008 at 10:10 am.
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Join Date: Feb 2002
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Yup ... the visual verification image, or CAPTCHA 
Dani the Computer Science Gal
Do you run a computer-related website? Feature it in our niche link directory!
Do you run a computer-related website? Feature it in our niche link directory!
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Join Date: Feb 2008
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Light Poster
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Join Date: Mar 2008
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Newbie Poster
Spammers are a challenge for everybody.
There are very productive ways to identify bots and reject them. The problem is with humans. If you ban their IP they can connect through proxy and get back to you. If you save a cookie on their computer, they can erase it and are back to you.
One solution that we are working on right now is to identify the computer name or network card number from the computer that connects to your website, and use that to ban the access.
Hopefully that will solve 99% of the problem.
Chris.
There are very productive ways to identify bots and reject them. The problem is with humans. If you ban their IP they can connect through proxy and get back to you. If you save a cookie on their computer, they can erase it and are back to you.
One solution that we are working on right now is to identify the computer name or network card number from the computer that connects to your website, and use that to ban the access.
Hopefully that will solve 99% of the problem.
Chris.
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Join Date: Feb 2008
Location: France
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Light Poster
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Originally Posted by crtbs 
Spammers are a challenge for everybody.
There are very productive ways to identify bots and reject them. The problem is with humans. If you ban their IP they can connect through proxy and get back to you. If you save a cookie on their computer, they can erase it and are back to you.
One solution that we are working on right now is to identify the computer name or network card number from the computer that connects to your website, and use that to ban the access.
Hopefully that will solve 99% of the problem.
Chris.
Wao that will be great, when is't coming out?
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Join Date: Mar 2008
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Newbie Poster
Well, we are working on it. There are still some tests we have to run.
Another way to flag potential spammers is to check their time on the computer vs. the time from the location of the IP address. If they don't match, it is a question mark.
Chris.
Another way to flag potential spammers is to check their time on the computer vs. the time from the location of the IP address. If they don't match, it is a question mark.
Chris.
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Join Date: Feb 2008
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Join Date: Feb 2008
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Junior Poster in Training
CAPTCHA codes work very well for me, also the more difficult they are the less you get through the doors so to speak.
Unfortunately the more difficult ones I struggle to read, lol so it's a balance really
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Unfortunately the more difficult ones I struggle to read, lol so it's a balance really
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Join Date: Feb 2002
Location: Lawn Guylen, NY
Posts: 10,900
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Originally Posted by crtbs
Well, we are working on it. There are still some tests we have to run.
Another way to flag potential spammers is to check their time on the computer vs. the time from the location of the IP address. If they don't match, it is a question mark.
Chris.
While I can see the objective is to catch people who use proxies, I don't think this is an ideal solution. What about professional forums that target business people who frequently take business trips? It's very likely they're not going to be adjusting the clocks of their laptops every other week.
Dani the Computer Science Gal
Do you run a computer-related website? Feature it in our niche link directory!
Do you run a computer-related website? Feature it in our niche link directory!
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