Originally Posted by AzureTempest

Might be, I wouldn't know. Everything works fine on other 2 e-learning trackers. If firewall really is the case, what should I do?

Just disable it. So you're saying that you uploaded a new torrent and you cannot seed it? Check this:

To be able to upload a torrent you have to aquire/acomplish the following terms:

Ratio higher than 0.8.
Upload higher than 10 GB.


Also, after you uploaded the torrent try to download it.