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I read some tutorials, but for some reason, I can't download the file:

  1. On the source PC (ie. the one that has the file I want to share), I launched uTorrent, chose File > Create New Torrent, and created the .torrent file.

FWIW, I later tried using OpenBitTorrent as the single tracker instead, but it made no difference.

For some reason, the file is displayed in the Downloading section, with nothing happening ("Downloading 0.0%"): enter image description here

Why am I required to download a file that I already have, and why is nothing happening?

  1. Uploaded the .torrent file to a web server

  2. On a second host, launched uTorrent, and pasted the URL from the web server: It just says "Downloading 0.0%", with no action.

Looks like I'm missing something. Does someone have an idea what it could be?

Thank you.

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the torrents need to be hosted at piratebay and meganova where you have the trackers listed, if you plan on hosting your own torrents you will have to set up a tracker server, otherwise upload them to one of a thousand torrent hosting sites like piratebay. – Moab Feb 3 at 21:12
Doesn't uTorrent take care of connecting to the trackers and uploading stuff there? The tutorials I read didn't specify I had to do anything more than this. – OverTheRainbow Feb 3 at 22:24
No, you have to go to the site and upload the torrent manually. Most require registration/membership before you can upload a torrent. – Moab Feb 3 at 22:31
I added two trackers when creating the Torrent file, but I get the same result: uTorrent is waiting to download :-/ udp://tracker.publicbt.com:80/announce udp://tracker.openbittorrent.com:80/announce – OverTheRainbow Feb 3 at 22:38
"PublicBitTorrent is a bittorrent tracker free for anyone to use. You don't need to register, upload or index a torrent anywhere, all you have to do is to include the PublicBitTorrent tracker URL in your torrent." – OverTheRainbow Feb 3 at 22:39
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Most likely, the problem is that both machines are behind NAT. The torrent protocol doesn't know they're both behind the same NAT and doesn't specially handle that case. It assumes a system behind NAT can't initiate a connection to any other system behind NAT. So if both ends are behind NAT, a connection is not possible.

If you want to set up a torrent seed behind NAT, you really need to set up port forwarding.

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Sorry, forgot to say I mapped a port on the NAT for the incoming connection needed by uTorrent. – OverTheRainbow Feb 3 at 22:24
To which machine? (And if your router doesn't support hairpin NAT, that would explain why you weren't able to download it. The mapping only works for incoming connections.) – David Schwartz Feb 3 at 22:58
I made sure PC #2 was connected to another network, although it doesn't have a port mapped (but as I understand it, it doesn't prevent downloading, only it's slower) – OverTheRainbow Feb 4 at 8:56
It finally worked with that tracker: udp://tracker.openbittorrent.com:80/announce, although the client had to wait about 10mn for downloading to start. – OverTheRainbow Feb 4 at 17:08
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