[BitTorrent client] BitTorrent client [Magnet URI] Magnet URI Preload Magnet metadata [Super-seeding] Super-seeding [Embedded tracker] Embedded tracker [UPnP [Note 5]] UPnP [NAT traversal [Note 6]] NAT traversal [DHT [Note 7]] DHT [Peer exchange] Peer exchange [Encryption] Encryption [UDP tracker] UDP tracker [LPD] LPD [Proxy server] Proxy server [NAT Port Mapping Protocol] 
NAT Port Mapping Protocol
N o
Y e s
N A T P o r t M a p p i n g P r o t o c o l