The computer doesn't matter, the port for torrent file sharing is most commonly 6881 and it will continue looking for an open port all the way up to 6889 before it gives up and continues without an open port
Check your router its utorrent btw
Turn of any other application your might be uploading usage. Try another free port. Best option, get a better internet service.
The FTP port has been standardized at port 21, so it is highly unlikely it is operating on another port. To change the port, you would have had to change configuration settings. And if you had, you would know what port it was on.
In Device Manager, right-click the serial port labled Communications Port (COM1), and select Properties. Select Port Settings tab.
An S-Video Port
By "change port in Linux", I assume you mean changing the default port an application listens or transmits on. This is usually set in the program's settings or configuration file.
The best port is the one that isn't being used. Try using a port above 45000.
One can download a port scanning tool on file sharing sites or on a site that promotes this product. Be careful when downloading and check for viruses or any spyware.
An S-Video Port.
Port forwarding is a computer concept referring to the translation of a port number to a new routing destination. While this typically puts the user at increased security risk, it has the capability of increasing downloading and gaming speeds.
Check BIOS settings, make sure that the adapter is enabled. Check that the cable is not damaged and working properly. If you have burned the port. You can get a PCI extension port with Network Interface Port.
Port 123456 does not exist. To open port 50001 you need to change settings for your port routing tables. Without knowing the exact model of your router it's virtually impossible to help you.