ZooKeeper service ports

Note the default ports used by Zookeeper service.

Table 1. ZooKeeper Service Ports
Service	Servers	Default Ports Used	Protocol	Description	Need End User Access?	Configuration Parameters
ZooKeeper Server	All ZooKeeper Nodes	2888	N/A	Port used by ZooKeeper peers to talk to each other.	No	hbase.zookeeper.peerport
ZooKeeper Server	All ZooKeeper Nodes	3888	N/A	Port used by ZooKeeper peers to talk to each other.	No	hbase.zookeeper.leaderport
ZooKeeper Server	All ZooKeeper Nodes	2181	N/A	Property from ZooKeeper's config zoo.cfg. The port at which the clients connect.	Yes	hbase.zookeeper.property.clientPort