thanks in finance.
Answers:
If you hold it set to public that way anyone in catalogue can hop right onto your grating as they please near no problem, but that does indicate they can bring your speed channel down and can even hack into your introduce yourself terrifically intensely easiy. If you hold a private setting, consequently you are undamaging and singular those that enjoy your protected keycode number password can access the gridiron.
Depends what you are trying to do. For added control private is moral, but public is a upright choice if you are going to hold people repeatedly who will want to connect.