About Proxy Groups

i am hosting an openbullet2 service and today one of my customer told me that the other users can use their proxies how can i fix that
sorry for my english

Yes there is an issue on github about this, it will be solved in next patch [BUG] OB2 Different guest accounts have access to the same proxy pool · Issue #145 · openbullet/OpenBullet2 · GitHub