Port 4001 is commonly used for communication between nodes in a distributed hash table (DHT) system. It is the default port for the Kademlia DHT protocol used by the BitTorrent network, which is a popular file-sharing protocol. Port 4001 is also sometimes used for remote administration of systems using the Transmission Control Protocol (TCP).
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 4001 |
tcp |
newoak |
NewOak |
REGISTERED PORT |
Port 4001 |
udp |
newoak |
NewOak |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |
Port 4001 | Microsoft Ants game |