Port 2181 is commonly used for Apache ZooKeeper, which is a distributed coordination service often used in big data systems. It is used for maintaining configuration information, naming, providing distributed synchronization, and providing group services.
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 2181 |
tcp |
eforward |
eforward |
REGISTERED PORT |
Port 2181 |
udp |
eforward |
eforward |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |