this post was submitted on 10 Jun 2025
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Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ
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“Just fine” is relative. Torrenting requires at least one side to have an open port. If you don’t have port forwarding, you’re entirely reliant on other people having their ports open instead. Even if there are 1000 seeds, if all of them have closed ports you’ll be unable to connect to them. It’s kneecapping your connections for no good reason.
What about holepunching?
Hole punching is how torrenting is possible at all without port forwarding. But it still relies on the other person having an open port, because hole punching only works to initiate things on your end.
Bullshit, Trackers and DHT hold IP and port of peers, hole-punching technique allows to open both sides.
The only difference is the speed to establish connection:
Now, the reason why it seems hard to seed torrents on private tracker, that disable DHT, is because seeders with closed port will only fetch leechers IP from tacker 1 to 4 times per hour, so by the time the hole-punched connection is established, leecher has already sucked up all the data from peers with open ports.
It's fine to keep port closed if you avoid private tracker and DHT disabled torrents. If you want to build up ratio on a crappy private tracker, seeding a piece of a fat 100Gb+ torrent will do.