Port 4000 is often used as a default port for running web servers or other networking services. Specifically, it is commonly used for running applications built using the node.js runtime environment. It may also be used for other custom applications or services that require networking communication.
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 4000 |
tcp |
terabase |
Terabase |
REGISTERED PORT |
Port 4000 |
udp |
terabase |
Terabase |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |
Port 4000 | Diablo II game |