UPnp mode is both, as upnp selects the closest available ports it can find for connection & listening. But, you can at least change listening port. Go to LW's menu bar, Tools>Options>Advanced>Firewalls & change listening port to say 64049. Then restart LW.

After I saw FOTH's post before me I had a memory collapse as to what i was going to edit in.

My memory fails me but most traffic goes one or the other tcp or udp. One is mostly for information & the other for file data.