Skip to main content

Questions tagged [mqtt]

The tag has no usage guidance.

0 votes
0 answers
24 views

How to check OpenSSL: alert internal error, handshake failure for CA

Context is our Mosquitto broker, running on a certain domain. User can connect via TLS only. We are using a self-signed certificate for this purpose, because we want to sign client certificates by ...
BairDev's user avatar
  • 125
0 votes
0 answers
38 views

Mosquitto 1.6 TSL / OpenSSL error: problems getting password

When starting mosquitto (on CentOS), I am getting the following logs 06-19T14:34:55: mosquitto version 1.6.10 starting 06-19T14:34:55: Config loaded from /etc/mosquitto/mosquitto_[org].conf. 06-19T14:...
BairDev's user avatar
  • 125
0 votes
1 answer
161 views

One computer cannot access port from another on the same same network

I have two servers with relatively fresh installs of CentOS 9 Stream on the same network. I can ping and ssh between them so can prove basic connectivity. serverA AFAIK has port 1883 (mqtt) open and ...
Geordie's user avatar
  • 135
0 votes
0 answers
50 views

How do I debug why my aws iot remote job is stuck in queued?

I have an aws IoT core MQTT broker that's working. I can connect to it and get message to various topics. But when I create a "remote job" https://docs.aws.amazon.com/iot/latest/...
Andrew Arrow's user avatar
1 vote
1 answer
2k views

Mosquitto not starting

I posted this on stack overflow however they reccomended I post it here, I recently installed the Mosquitto MQTT broker on Windows 11, and I managed to get it working locally between different command ...
Cillian O'Toole's user avatar
1 vote
0 answers
854 views

How to configure Nginx to proxy more than 200K MQTT connections?

I need to proxy a lot of MQTT connections (over 200K) and distribute them over a number of ports at the backend server. Below is my Nginx configuration. load_module /usr/lib/nginx/modules/...
Yehan Pemarathne's user avatar
0 votes
1 answer
303 views

cannot connect port 1883 on google cloud VM

I am trying to host a mqtt broker on google VM and open port 1883.The external IP address of VM is ephemeral. Can I know why the telnet to the IP of VM is failed? firewall config port 1883 telnet ...
Tim's user avatar
  • 1
0 votes
0 answers
2k views

Connection to mosquitto failed with error code 'error:1408F10B:SSL routines:ssl3_get_record:wrong version number'

I'm having problems configuring mosquitto with SSL. Everything works fine in clear text (1883) but when I do the SSL configuration and test it (8883), I get the following errors: mosquitto_pub --host ...
theirman's user avatar
0 votes
2 answers
1k views

Unable to connect to my self hosted cloud MQTT broker

I have followed the instructions to configure Mosquitto on CentOS 7, provided by digital ocean. I believe I have most of the stuff set up correctly, I was able to follow all the instructions with some ...
Ben's user avatar
  • 143
2 votes
1 answer
2k views

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 ...
Blaine Sherman's user avatar
1 vote
1 answer
4k 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....
Schneggl's user avatar
1 vote
1 answer
474 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 ...
Dhruv Sehgal's user avatar
0 votes
1 answer
616 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. ...
Nguyen Ba Hien's user avatar
8 votes
2 answers
14k 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-...
J M Smith's user avatar
2 votes
1 answer
459 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 ...
Lê Minh Quân's user avatar

15 30 50 per page