Zyxel P-320W Port Forwarding (如何開放 VNC / BT 所需要的port)
Open a web browser like internet explorer or Netscape. Enter the ip address of your router in the address bar of your browser. In the picture above the address bar has http://www.google.com in it. Just replace all of that with the ip address of your router. By default the ip address should be set to 192.168.1.1.

You should see a box prompting you for your password. Enter your password now. By default your password is 1234. Click the Login button to log in to your router.

Click the Go to Advanced Mode link near the center of the page.

Click the Network link near the left side of the page.
You should now see a new menu. In this new menu, click NAT.

Click the Port Forwarding button near the top of the page.

Click the Modify button near the right side of the page.
