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Apache ZooKeeper — Common Ports

Community software entries: links are references, not individual verification.

Role Unconfirmed (3)

2181
tcpEnterprise

Apache ZooKeeper client connection port for distributed coordination service

Default port for Apache ZooKeeper coordination service

2888
tcpEnterprise

Apache ZooKeeper cluster communication port for inter-cluster node communication

DistributedServiceClusterPort

3888
tcpEnterprise

Apache ZooKeeper election port for cluster leader election

DistributedServiceClusterleaderPort

Scope

Port associations on this page are community-database references (common usage), not a live measurement of any machine; confirm with the official documentation before deployment.