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Title: how to prevent proxyusers? Post by: fffeee on May 18, 2012, 04:31:19 PM i have a platform where i give away free bitcoins.. (it is allowed to order some coins every 12 hours..)
is there a good way to prevent proxyusers or worse.. proxybots!?? Title: Re: how to prevent proxyusers? Post by: hamdi on May 18, 2012, 04:53:42 PM use captchas
use cookies maybe check the IP address for typical open proxy ports Title: Re: how to prevent proxyusers? Post by: Tuxavant on May 20, 2012, 12:43:52 AM I use random short urls, captchas, pre-programed campaigns, and random release times to prevent abuse at Coin4.me. It's not perfect, but it at least levels the playing field.
Example: http://coin4.me/pizza Title: Re: how to prevent proxyusers? Post by: gweedo on May 20, 2012, 01:16:25 AM I know you can detect tor proxies and just kill those off, but some people only will with use the web so you have to accept that you could be cutting those people out.
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