Looking for an add on to prevent users from registering via proxy servers.

[shinyfirefly]

I am having alot of competitive sites using proxies to steal content from our site. Is there an add on or feature to prevent them from registering with a proxy server? Thank you!

 

[DirtRider]

Have a look at this one by @Snog http://snogssite.com/forum/threads/ban-by-hostname.78/