University Internet blocking League?

A Couple of days ago I moved to a student dorm having the Universitys internet (Eduroam). Since then I can't get into a game, unable connect after the end of champselect. I already read that some Universities are blocking p2p connections and a couple of games but the weird thing about this is that League is the only game affected. I checked CSGO, some MMOS, Smite, Dota2: everything is working perfectly fine. So I'm assuming that it's not prohibited to play games. I already read about VPN and Proxy Solutions but until now nothing worked for me or I didn't find a working programm (Also I have barely an Idea about Networking). I know that there is not much about the actual problem so just comment and I'll try to provide the Informaton asap. Thanks for your help
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