TCP Listener The TCP Listener accepts incoming TCP connections and forwards the TCP stream to a single parser. Facts Class Name org.opennms.netmgt.telemetry.listeners.TcpListener Supported on Minion Yes Parameters Table 1. Listener-specific parameters for the TcpListener Parameter Description Required Default value host IP address on which to bind the TCP port optional 0.0.0.0 port TCP port number on which to listen optional 50000 Listener Reference UDP Listener