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104
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Unsubscribe from topic not working when using persistent session Mqtt
I have a Qt application that uses the qtmqtt module to implement a simple MQTT setup.
I’m running two instances — one as a subscriber and one as a publisher.
In the app, users can right-click on any ...
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42
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Can't perform any action using admin account with mosquitto_dynamic_security (Windows)
Currently we was using the acl and password file for mosquitto broker**, but now we have to use dynamic_security plugin to manage permissions and users.
But I am facing Non Authorize issue
Also we are ...
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31
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MQTT Downlink from ThingsBoard Repeats on Every Device Re-Subscription (Despite QoS=0 and retain=false)
We’re implementing MQTT downlinks from ThingsBoard CE to IoT devices but are encountering unexpected behavior:
The Problem
When sending a downlink message, it appears to get "stuck" in the ...
1
vote
1
answer
64
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QoS 2 messages reach the broker but don't get forwarded
I've been struggling for a week now with an MQTT issue that seems both subtle and difficult to trace.
Please see that the images pasted are of the same session. The bunch of data sent after these sync ...
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1
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118
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MqttNet + Mosquitto default server. No response on malformed packet
I have a fresh install of mosquitto service that I configured with a username and password login, and a port. Just getting into the intricacies of it for my project.
I have a bit of code in my C# ...
2
votes
1
answer
222
views
MQTT.js does not accept certificate chain
I try to secure-connect to mosquitto with MQTT.js (https://www.npmjs.com/package/mqtt) and I always get the following error:
node.js
Error: self-signed certificate in certificate chain
at ...
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1
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300
views
Mosquitto MQTT not respecting ACL
I'm trying to implement an internet-facing instance of Mosquitto MQTT. Naturally, I want to make it as secure as I can.
I've successfully implemented SSL, and user authentication and access. But, I'm ...
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1
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466
views
MQTTnet not being able to connect to broker anymore
I am developing a .NET 8.0 Blazor application which uses MQTTnet to send some data to a mosquitto (v2.0.21, running in docker) broker, that is being used by another application (basically just a ...
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1
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767
views
Mosquitto MQTT: "Connection was lost" error when publishing a message
I am trying to test MQTT functionality and have installed Eclipse Mosquitto on my workstation.
To subscribe to a topic, I use the following command:
"C:\Program Files\mosquitto\mosquitto_sub"...
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1
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92
views
MQTT bridge unable to connect to broker with SSL
I'm trying to connect Mosquitto bridge to the broker with SSL. I've prepared configuration basing on these:
http://www.steves-internet-guide.com/mosquitto-tls/
http://www.steves-internet-guide.com/...
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1
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45
views
mosquitto_sub not accepting cafile
Having a w10 machine, named "broker", hosting a mosquitto broker configured as a tls server with conf file:
listener 8883
allow_anonymous true
cafile CACert.crt
certfile serverCert.crt ...
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1
answer
70
views
SSL certificate issues with certificate generated by python script and used in mosquitto
I am trying to use ssl with mosquitto.
I am generating certificate with python script:
# This script will generate a CA's private key and self-signed certificate,
# a server's private key and CSR, and ...
0
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1
answer
63
views
How to get feedback when publishing or subscribing to ACL-forbidden topics?
I want to restrict my microservices to publish and/or subscribe to only specific mqtt topics in my eclipse mosquitto broker (2.0.20, docker).
The restrictions in my acl file work fine, but I can't see ...
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56
views
MQTT (mosquitto) bridged broker doesn't send reason code to app
I'm trying to set up a system where there's some IoT-like devices and a general broker that connects those devices together via a bridge (the reason having this bridging of brokers is that I'd like ...
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1
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347
views
Exclude a topic from wildcard topic on a mosquitto bridge
I have configured a bridge topic on a mosquitto broker with a wildcard like this:
topic sensor/# both 1
But I want to exclude a specific topic tree sensor/test/#. The sensor/test messages should be ...