right, for the answer "there is something called google" well there is something called yahoo answers as well, and i prefer to use this
for the second answer "there is no relation", just a query that how come that when i disabled UPnP for my router, most of the other pcs using the internet...
So I know what they are: port forwarding lets computers on the internet connect directly to the PC behind my router; and turning on UPnP lets devices automatically connect to my network ( hence plug and play ).
P2P works just fine but slowly when these settings are off. Then I enable these...