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We are facing issue in MQTT connection in HTTPS server. Sometime it is working fine and some time it is getting error like below.

WebSocket connection to 'wss://MYHOST:8083/mqtt' failed: Error in connection establishment: net::ERR_INSECURE_RESPONSE

Let me share with you my mosquitto.conf file.

pid_file /var/run/mosquitto.pid
persistence true
persistence_location /var/lib/mosquitto/
log_dest file /var/log/mosquitto/mosquitto.log
include_dir /etc/mosquitto/conf.d
listener 1883

listener 8083
protocol websockets
certfile /etc/mosquitto/certs/myhost.crt
cafile /etc/mosquitto/certs/ca.crt
keyfile /etc/mosquitto/certs/myhost.key

My Mosquitto WebSocket config file:

host = 'MYHOST'; // hostname or IP address
port = 8083;
topic = 'TOPIC'; // topic to subscribe to
useTLS = true;
username = "";
password = "";
path = "/mqtt";
cleansession = true;

Thanks.

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kiran malvi
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