Ghost bit-torrent tracker
January 12, 2008 7:50 AM Subscribe
How do torrents work?
posted by daksya to computers & internet (6 answers total) 6 users marked this as a favorite
I thought I knew. Something like this, basically:
Person A wants to share files. She creates a .torrent which contains
pieces & their checksums +
tracker address +
maybe some other stuff
She uploads it to tracker, which loads the torrent, and if there's an associated directory, also gets it indexed.
Persons B, C, D come across the listing in the index and open the .torrent in their client. Client contacts tracker which, in short, returns list of seeds & peers. Client contacts seeds & peers and individually tries to hook up all connections it can. Enter DHT, which means, I think, is that you get peer lists from peers you already are in touch with.
Now it turns out that a pretty famous public tracker went down a couple of months ago, but with some lingering hope of its resurrection still present. I found a torrent on one of the *novas, with the only tracker listed being that of downed-site. On a whim, I open it in utorrent, and although tracker status is "No connection could be made because the target machine actively refused it.", I get some seeds and the torrent is "working".
My question: where did it get the list of seeds from?
If it's from the downed-site, is the moral that it's "down" but not really?