If you are running a firewall, then you may need to configure your firewall so that uTorrent has access to port “55641”. Specify 55641 to 55641, and in Utorrent make sure you specify the same port number in the box at the bottom of the speed guide module. At some point during the process you’ll be asked to specify a port. Again, if you need to correct your port forwarding, use the guide provided in the link on the Utorrent port checker page. If you are using a router, then you may have to configure it to route all TCP/UDP BitTorrent traffic to port “55641” to your computer. If you are unable to run the test it may be caused by one of the following reasons: Home Router If the port is not forwarded correctly, you can use the guide that Utorrent will refer you to on their port checker page to setup the ports as needed. Click on “Test if port is forwarded properly” to check your port forwarding. This will bring up the Utorrent speed guide. With Utorrent open press CTRL+G on your keyboard. One of the ways you can check to see if the ports are forwarded properly is in the Utorrent module itself. Port forwarding is very important, because if the ports are not open then you will not be able to connect to as many peers.
The main reason why you may not be getting optimal download speeds is faulty port forwarding. 1.7 You may also read: Speed Up uTorrent: Tips and Tricks to Make it Faster Port Forwarding