For some BitTorrent clients, port forwarding increases performance. Since most BitTorrent clients use random high ports that aren't used for other services, I'd say that there is little to no risk to enable port forwarding of whatever 5-digit port number that the client specifies.

Tweaking your system to get the most out of BitTorrent The BitTorrent client will normally use ports 6881 to 6889, so when you are adding the ports to your firewall, make sure you cover the whole block. Many newer BitTorrent clients have larger or changeable port ranges, so check with the instructions for your client software first. How To Make Your Torrent Download Speed 300% Faster? Oct 31, 2019 Newest 'bittorrent' Questions - Server Fault Bittorrent ports, why do I need them? I'm considering a file distribution between branch offices that uses Bittorrent. I understand that a Bittorrent client needs ports in the range of 6881-6999 to be forwarded to the internet to make the Help with Port Forwarding on Qbittorrent

By default the ports BitTorrent clients use are 6881-6889, but you may be using different ports, depending on how you have your BitTorrent client configured. Make sure to open or forward ports 6881-6889 (or whichever ports you are using for the client) on your local firewall or router.

The ports uTorrent/Bittorrent selects are random, there aren't really any specific ports you'd need to use. level 1-2 points · 4 years ago. 696969. level 2. 1 point · 4 years ago. 69696 would be better. View entire discussion ( 9 comments) More posts from the torrents community. 41. What is Torrent and How to Block Torrent Downloads? The users have a option to download the huge number of files using the torrent client. Due to that the bandwidth limit may exceeds. we can block the ports used by the torrent protocol using the router or by the firewall software. Blocking the torrent port using the router is advisable. The BitTorrent port starts from port 6880 to port 6999.

Listen port - Troubleshooting - BitTorrent Forums

The ports uTorrent/Bittorrent selects are random, there aren't really any specific ports you'd need to use. level 1-2 points · 4 years ago. 696969. level 2. 1 point · 4 years ago. 69696 would be better. View entire discussion ( 9 comments) More posts from the torrents community. 41. What is Torrent and How to Block Torrent Downloads? The users have a option to download the huge number of files using the torrent client. Due to that the bandwidth limit may exceeds. we can block the ports used by the torrent protocol using the router or by the firewall software. Blocking the torrent port using the router is advisable. The BitTorrent port starts from port 6880 to port 6999.