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How many ports(as a application process) can be assigned on Ubuntu? How to set an application to a specific port. For example setting up bit-torrent on 3444.

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  • As an aside, if you want to be reachable on that port from the internet, you probably need to set up port forwarding on your router.
    – Jan
    Oct 15 '14 at 12:43
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In general, for Linux, ports 1-1024 can only be opened by root. Ports 1025-65535 can be opened by anyone.

If you wanted to, you can use all 65535 ports for some purpose.

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