This is the documentation for Cloudera Manager 5.1.x.
Documentation for other versions is available at Cloudera Documentation.

Ports Used by Cloudera Manager

The following diagram provides an overview of the ports used by Cloudera Manager, Cloudera Navigator, and Cloudera Management Service roles:

For further details, see the following table:
Component Service Port Protocol Access Requirement Configuration Comment
Cloudera Manager Server HTTP (Web UI) 7180 TCP External Administration > Settings > Ports and Addresses  
  HTTPS (Web UI) 7183 TCP External   Used for HTTPS on master, if enabled. HTTP is the default; only one port is open for either HTTP or HTTPS, not both
  Avro (RPC) 7182 TCP Internal   Used for Agent to Server heartbeats
  PostgreSQL  database managed by cloudera-scm-server-db service 7432 TCP Internal   The optional embedded PostgreSQL database used for storing configuration information for Cloudera Manager Server.
Cloudera  Manager Agent HTTP (Debug) 9000 TCP Internal
/etc/cloudera-scm-agent/config.ini
 
  Internal supervisord localhost: 9001 TCP localhost   supervisord status and control port; used for communication between the Agent and supervisord; only open internally (on localhost)
Event Server Listens for the publication of events. 7184 TCP Internal Cloudera Management Service > Configuration > ServerName Default Group > Ports and Addresses
  Listens for queries for events. 7185 TCP Internal    
  HTTP (Debug) 8084 TCP Internal   Allows access to debugging and diagnostic information
Alert Publisher Internal API 10101 TCP Internal Cloudera Management Service > Configuration >ServerName Default Group > Ports and Addresses  
Service Monitor HTTP (Debug) 8086 TCP Internal Cloudera Management Service > Configuration > ServerName Default Group > Ports and Addresses  
  Listening for Agent messages (private protocol) 9997        
  Internal query API (Avro) 9996        
Activity Monitor HTTP (Debug) 8087 TCP Internal Cloudera Management Service > Configuration > ServerName Default Group > Ports and Addresses  
  Listening for Agent messages (private protocol) 9999        
  Internal query API (Avro) 9998        
Host Monitor HTTP (Debug) 8091 TCP Internal Cloudera Management Service > Configuration > ServerName Default Group > Ports and Addresses  
  Listening for Agent messages (private protocol) 9995        
  Internal query API (Avro) 9994        
Reports Manager Queries (Thrift) 5678 TCP Internal Cloudera Management Service > Configuration > ServerName Default Group > Ports and Addresses  
Cloudera Navigator         Cloudera Management Service > Configuration > ServerName Default Group > Ports and Addresses  
Audit Server  HTTP (Debug) 8083 TCP Internal    
  HTTP (Debug) 7186 TCP Internal    
Metadata Server HTTP 7187 TCP External    
Task Tracker Plug-in (used for activity monitoring) HTTP (Debug) localhost: 4867 TCP localhost   Used only on localhost interface by monitoring agent
Backup and Disaster Recovery HTTP (Web UI) 7180 TCP External Administration > Settings page > Ports and Addresses Used for communication to peer (source) Cloudera Manager.
  HDFS NameNode 8020 TCP External HDFS > Configuration > NameNode Role Group > Ports and Addresses: NameNode Port HDFS and Hive replication: communication from destination HDFS and MapReduce hosts to source HDFS NameNode(s). Hive Replication: communication from source Hive hosts to destination HDFS NameNode(s).
  HDFS DataNode 50010 TCP External HDFS > Configuration > DataNode Role Group(s) > Ports and Addresses: DataNode Transceiver Port HDFS and Hive replication: communication from destination HDFS and MapReduce hosts to source HDFS DataNode(s). Hive Replication: communication from source Hive hosts to destination HDFS DataNode(s).