[QUOTE=dvtrv;2608917]ok. How?[/QUOTE]
depends what you have installed as a firewall. Consult its manual.
Remember that your network may have multiple firewalls. One on your modem, one on your router, one on your wireless router, one on your computer, etc.
You can also set up uTorrent to use uPNP. Most firewalls are compatible with that.