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| Anti-Bots: object photo based CAPTCHA https://www.wsgf.org/phpBB3/viewtopic.php?f=59&t=17913 |
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| Author: | whismerhill [ 10 Sep 2009, 13:47 ] |
| Post subject: | Anti-Bots: object photo based CAPTCHA |
hello, recently I saw these weird people talking things that don't make any sense. so I thought I would give you guys a tip on what I used on my previous forum to prevent having to deal with bots. I used a php plugin based on object recognition in an image for example you get some small sized pictures of cars & some of cats then when someone registers he sees a selection of those pictures & need to check the correct boxes (for example the instructions would be : check pictures of cats only) it worked very fine on my old forum, I was rid of 100% of any bot registration (even though the day they work out the thing, they may be able to get through but they have a very small chance of passing through, depending on the number of images shown to the user) advantages: -it's not as widely used as the standard CAPTCHA with text written which means an extra layer of protection -some photo-text based CAPTCHA are hard to read depending on the quality of your human eyes, this mod does not pose that problem inconvenient: -people are not used to it, so you may occasionally have to deal with the guy who email you because he's a dumb ass who don't want to read instructions (which are neither long nor hard ...) For security purpose I won't give any links in public, so if the person in charge wants it... this mod exist for both phpbb2 & phpbb3 (have not tried phpbb3 version though) PS: I know that the forum still needs to be upgraded, but I posted this now that I think about it ;) edit: ho and one last tip even though it's obvious, some people forget it and then we are doomed, always make a database + FTP backup before any modification |
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| Author: | skipclarke [ 10 Sep 2009, 17:46 ] |
| Post subject: | Anti-Bots: object photo based CAPTCHA |
We do have some anti-spam code built into the current phpbb2 install. i am actively working to style phpbb3 to look like the current forum. we will be working to beef up the captcha there. i've used one mod on another phpbb3 site i put together and it's worked like a champ. |
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| Author: | whismerhill [ 10 Sep 2009, 19:33 ] |
| Post subject: | Anti-Bots: object photo based CAPTCHA |
ok wish you a nice day and anxious to see all the features of phpbb3 coming to WSGF ;) |
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