Port Requirements for Backup and Disaster Recovery
Make sure that the following ports are open and accessible on the source hosts to allow communication between the source and destination Cloudera Manager servers and the HDFS, Hive, MapReduce, and YARN hosts:
| Service | Default Port |
|---|---|
| Cloudera Manager Admin Console HTTP | 7180 |
| Cloudera Manager Admin Console HTTPS (with TLS enabled) | 7183 |
| Cloudera Manager Agent | 9000 |
| HDFS NameNode | 8020 |
| Key Management Server (KMS) | 16000 |
| HDFS DataNode | 9866 |
| NameNode WebHDFS | 9870 |
| YARN Resource Manager | 8032 |
| DataNode Secure | 1004 |
| NameNode Secure WebHDFS | 9871 |
| Hive Metastore | 9083 |
| Impala Catalog Server | 26000 |
See Ports for more information, including how to verify the current values for these ports.