I made mosquitto in docker a broker.
Suppose my PC IP address is “” 10.0.0.11 “.
I wrote code like this.
MqttClient client = new MqttClient ("10.0.0.11", 1883, false, null, null, MqttSslProtocols.TLSv1_2);
However, when the Connect method was executed, “isConnect” was false.
If you specify the host name of HIVE MQ, it works.(HIVE MQ)
MqttClient client = new MqttClient ("broker.mqttdashboard.com");
Please tell me how to enable connection by specifying IP address.