The following table lists the default ports used by Storm.
| Service | Servers | Default Port | Default Ambari Port | Protocol | Description | Need End User Access? | Configuration Parameters |
|
Zookeeper Port |
2181 | Port used by localhost to talk to ZooKeeper. | storm.zookeeper.port |
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| DRPC Port | 3772 | drpc.port |
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|
DRPC Invocations Port |
3773 | drpc.invocations.port |
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| Nimbus Thrift Port |
6627 |
nimbus.thrift.port |
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| Supervisor Slots Ports | 6700, 6701, 6702, 6703 | Defines the amount of workers that can be run on this machine. Each worker is assigned a port to use for communication. | supervisor.slots.ports |
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| Logviewer Port | 8000 | logviewer.port |
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| UI Port | 8080 | 8744 | ui.port |
