Well, I was wondering is there a mod or anyway to stop proxies I know some people that have it done.
www.sythe.org if you use a proxy it wont load the page.
There is no definitive way to block proxies without blocking actual users. Some large ISPs use proxies and you'd end up blocking them too.
Those ISPs are things like AOL... AOL's always like that. Also, people can use other people's internet connections if the owner allows as a proxy too.