Pretty awesome site The PHProxy you are using is very common. It will probably get picked up. I'm not totally sure though because web proxies are much harder to detect because they send no proxy info in the http header. So web filters may only look for a blacklist of sites?

Anyway I see your into MMA teknicalissue. Are you watching the big fight this weekend? Sylvia vs Nogueira && Mir vs Lesnar. It's gonna be good!