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3. Optional: Changing the Ambari Server-Agent Port

By default, Ambari Server uses port 8187 to communcate with Ambari Agents. To change the port number, you must edit the Ambari properties file.

Ambari Server should not be running when you change port numbers. Edit ambari.properties before you start Ambari Server the first time or stop Ambari Server before editing properties.

  1. On the Ambari Server host, open /etc/ambari-server/conf/ambari.properties with a text editor.

  2. Add the following properties and set them to your desired port values:

    security.server.two_way_ssl.port=5222
    security.server.one_way_ssl.port=5223
  3. On every Ambari Agent host, open /etc/ambari-agent/conf/ambari-agent.ini with a text editor.

  4. Add the following properties and set them to your desired port values:

    url_port=5223
    secured_url_port=5222
  5. Start or re-start the Ambari Server. Ambari Server now accesses Ambari Agents via the newly configured port:

    http://<your.ambari.server>:<port_number>