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
HDFS NameNode 8020
Key Management Server (KMS) 16000
HDFS DataNode 50010
WebHDFS 50070

See Ports for more information, including how to verify the current values for these ports.