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:
|Cloudera Manager Admin Console HTTP||7180|
|Cloudera Manager Admin Console HTTPS (with TLS enabled)||7183|
|Cloudera Manager Agent||9000|
|Key Management Server (KMS)||16000|
|YARN Resource Manager||8032|
See Ports for more information, including how to verify the current values for these ports.