Questions tagged [mqtt]

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Mosquitto ACL default all users read to a topic

I am trying to create a default access for all users unless specified in the ACL file. I have allow_anonymous set to false. However, if a user is in the password file, I want that user to be able to ...
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44 views

Will NGINX break any active connection when I revoke a specific client certificate with CRL?

Let's assume I have a client (e.g. IOT1) connecting to MQTT broker behind NGINX instance (terminating TLS is nginx's job) and I want to revoke that specific (IOT1) client, but what will happen with ...
1
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1answer
445 views

E: Unable to locate package mosquitto [closed]

I'm trying to install the mosquitto package, but when I type sudo apt-get install mosquitto it returns E: Unable to locate package mosquitto. I already ran sudo apt-get update and sudo apt-get upgrade....
1
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1answer
106 views

Linux server not allowing more than 2048 concurrent connections

I tried to do load test on MQTT from my MACOS, and was able to successfully achieve more than 12k connections till my bandwidth got exhausted. I tried to do the same test on GCP machine and it gave me ...
0
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1answer
103 views

Connection and reception are slowed by FIN_WAIT

I am using mosquitto as a broker to exchange data between clients using the MQTT protocol. But recently I have the following phenomenon. My mosquitto sometimes connects very hard and sends it too. ...
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0answers
70 views

mosquitto server taking 97-100% cpu . and cant connect to it

I amusing mosquitto as a mqtt server. Its a live server. From last one day I am not able to connect to it and on checking the cpu usage by top i see that its giving full load to cpu PID USER PR ...
4
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1answer
5k views

How to setup Mosquitto MQTT Broker in Kubernetes

I have been trying to set up ChirpStack in a Kubernetes space, but it doesn't seem to be working for me, and I can't find any resources online that have been the solution. **chirpstack-application-...
2
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1answer
207 views

Pod using Vernemq helm package cannot start

I'm using helm to install vernemq on my kubernetes cluster The problems is it can't start, I accepted the EULA Here is the log: 02:31:56.552 [error] CRASH REPORT Process <0.195.0> with 0 ...
0
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1answer
102 views

Treat TCP as MQTT protocol

I have packets captured during not encrypted MQTT communication: Protocol is detected as TCP. How to ask Wireshark to analyze packets as MQTT? UPD In case I set MQTT server work on default 1883 ...
3
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1answer
2k views

Running MQTT broker in Kubernetes (nginx-ingress-controller) with TCP over SSL

I'm currently trying to setup a MQTT broker (VerneMQ) on my kubernetes cluster (GKE). At the moment I'm using nginx-ingress-controller with a Google provided L4 load balancer. The VerneMQ deployment ...
0
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1answer
214 views

Hostapd client unable to connect to docker container network

I've setup hostapd on a RP3 so I could connect some IoT devices to it. Inside the RP3 I have several docker containers, one of which is running a MQTT Broker. The MQTT Broker is running on a bridge ...
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1answer
1k views

haproxy acl with "header(host)" check is not working for mqtt backend

I am trying to apply HAProxy acl to choose mqtt broker backend is not working. I have tried following HAProxy configurations. Environment: HAProxy version: 1.8.19 MQTT Broker: EMQ X Broker version ...
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1answer
2k views

How to get haproxy and keepalived working on the same device as an emqx broker

I'm rather new to this, so please be patient. My setup is essentially thre devices using mqtt, connecting through two brokers both running emqx. Both emqx brokers are also supposed to be set up as ...
6
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1answer
7k views

worker_connections are not enough - Nginx, docker

In my production server we have several upstreams which are docker containers running behind a reverse proxy with nginx. One of this containers is a mqtt broker (mosquitto) that we use to connect ...
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0answers
3k views

How can I use NGINX to reverse-proxy a MQTT service over SSL?

I've setup several server blocks for websites with NGINX. I can reverse-proxy (as well as force all traffic to https on these sites). I'm trying to setup a MQTT broker so that it uses SSL. server { ...
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0answers
683 views

Fails to read certfile/keyfile when run as SYSTEMD

EDIT: I wrote a python script that starts mosquitto client with TLS options ON. All worked fine when I run it from command line (w/o sudo). Now it broke after re-installing some packages. However, I ...
1
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1answer
3k views

Google Cloud Platform and Nginx reverse proxy

I'm very new to this, so I apologize if I may not even get the terms right. What I'm trying to accomplish is a reverse proxy with Nginx where I listen to https (port 443) and MQTT (port 8883) and ...