Both the server and agent bind on the first available port in 6881-6889 interval, so these ports should be reachable.
- Use the BitTorrent protocol for artifact dependencies - agents will use the BitTorrent protocol to download artifact dependencies not only from the server, but from the other seeding agents too.
- Allow users to download artifacts via a BitTorrent client - a torrent icon is displayed near to the artifacts available for downloading via the torrent protocol.
See the "Torrent Settings" page in the server administration for changing the configuration options.
TeamCity Versions Compatibility