Which AppDynamics Controller port(s) does the EUM Server require access to in a configuration where the EUM Server and Controller are on separate hosts (split-host configuration)?
In a split-host configuration, where the EUM Server and Controller are on separate hosts, the EUM Server requires access to the Controller primary HTTP(s) port. This is because the EUM Server needs to communicate with the Controller API server to send data and receive configuration information. The default primary HTTP port for the Controller is 8090 and the default primary HTTPS port is 81811. The dedicated EUM HTTP(s) ports are used by the EUM agents to send data to the EUM Server, not by the EUM Server to access the Controller2. The GlassFish administration port is used to access the Controller Admin Console, not by the EUM Server3. The Controller database port is used by the Controller to connect to the MySQL database, not by the EUM Server4. References: Controller Port Settings, Configure the Port for the EUM Agent, Access the Administration Console, Controller System Requirements
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