Close Connection on Federated Tables

[Carlos Martinez]

Good day I'm new using Federated Tables and rellay don't know the behivor of these, I friend of this forum told me about this solution, but I've a new problem with, I noted my server1(physic tables) is infested of connections from server3(federated tables) my question is: when I use any mysql browser to check federate tables, and close my browser the connection close automatically?
If there isn't a way, then could be a way to set the server to close auto?

Thanks for your help