# Latest **URL:** https://forum.cedalo.com/latest.md [Latest](https://forum.cedalo.com/latest.md) · [Categories](https://forum.cedalo.com/categories.md) --- ## [Prevent "Client null sending PINGREQ PINGRESP" messages](https://forum.cedalo.com/t/prevent-client-null-sending-pingreq-pingresp-messages/1269)
**Author:** [@milliways](https://forum.cedalo.com/u/milliways)\ **Replies:** 0\ **Last updated:** [September 20, 2026, 6:32am UTC](https://forum.cedalo.com/t/prevent-client-null-sending-pingreq-pingresp-messages/1269 "2026-09-20T06:32:32Z")
I last used Mosquitto on a Raspberry Pi running Stretch. I am attempting to implement on the latest Raspberry Pi OS using the mosquitto\_sub/pub command. This works but I keep getting lots spurious output. I tried --qu… --- ## [Reconnect and QoS](https://forum.cedalo.com/t/reconnect-and-qos/1268)
**Author:** [@ofm](https://forum.cedalo.com/u/ofm)\ **Replies:** 0\ **Last updated:** [September 14, 2026, 2:57pm UTC](https://forum.cedalo.com/t/reconnect-and-qos/1268 "2026-09-14T14:57:24Z")
Hi, I’m using libmosquitto with Solace MQTT broker, MQTTv5. Works great except for when the Solace brokers are restarted for any reason. When reconnecting the same session, Solace seems to accept new connections prematur… --- ## [Ecowitt2Mqtt on Mosquitto and Docker](https://forum.cedalo.com/t/ecowitt2mqtt-on-mosquitto-and-docker/1245)
**Author:** [@RonR](https://forum.cedalo.com/u/RonR)\ **Replies:** 9\ **Last updated:** [August 14, 2026, 7:53pm UTC](https://forum.cedalo.com/t/ecowitt2mqtt-on-mosquitto-and-docker/1245 "2026-08-14T19:53:40Z")
I am trying to get Ecowitt@MQTT running on my Docker Mosquitto container. I have gotten as far as receiving a message from the Ecowitt gateway, GW3000, however when the message is passed on to Mosquitto I receive error … --- ## [New to Mosquitto](https://forum.cedalo.com/t/new-to-mosquitto/1242)
**Author:** [@ericg2026](https://forum.cedalo.com/u/ericg2026)\ **Replies:** 4\ **Last updated:** [April 22, 2026, 2:44pm UTC](https://forum.cedalo.com/t/new-to-mosquitto/1242 "2026-04-22T14:44:51Z")
Hello- Setting up Mosquitto on raspberrypi 5 for localhost only. Getting “connection refused” and “permission denied” errors. Please advise where would be the right place for me to seek assistance. Thank you- --- ## [General inquiry about support](https://forum.cedalo.com/t/general-inquiry-about-support/1244)
**Author:** [@ericg2026](https://forum.cedalo.com/u/ericg2026)\ **Replies:** 1\ **Last updated:** [April 21, 2026, 7:57am UTC](https://forum.cedalo.com/t/general-inquiry-about-support/1244 "2026-04-21T07:57:38Z")
Hello- I posted a message topic recently and I did receive a response with some helpful info in it, but I am hoping I can continue to receive input- as I am still finding no-joy getting Mosquitto up and running on my Ra… --- ## [\[SOLVED\] Lost. Attempting to Restart my HA Journey](https://forum.cedalo.com/t/solved-lost-attempting-to-restart-my-ha-journey/1243)
**Author:** [@Grizz952](https://forum.cedalo.com/u/Grizz952)\ **Replies:** 0\ **Last updated:** [April 14, 2026, 9:31pm UTC](https://forum.cedalo.com/t/solved-lost-attempting-to-restart-my-ha-journey/1243 "2026-04-14T21:31:38Z")
Started my HA journey about 1 year ago. Life got in the way. Now trying to reinitialize the effort. As I recall, had HA running well and was getting pretty familiar. However, I now seem incapable of negotiating the s… --- ## [Mosquitto 2.0.20 IPv6 Support](https://forum.cedalo.com/t/mosquitto-2-0-20-ipv6-support/1240)
**Author:** [@Vinal](https://forum.cedalo.com/u/Vinal)\ **Replies:** 1\ **Last updated:** [April 13, 2026, 8:49am UTC](https://forum.cedalo.com/t/mosquitto-2-0-20-ipv6-support/1240 "2026-04-13T08:49:41Z")
Hi everyone, I’m currently using Mosquitto version 2.0.20 and had a question regarding IPv6 support. If I forward internet traffic over IPv6, will my existing Mosquitto configuration continue to work as expected, or ar… --- ## [Telegraf integration](https://forum.cedalo.com/t/telegraf-integration/1241)
**Author:** [@Gnomi](https://forum.cedalo.com/u/Gnomi)\ **Replies:** 1\ **Last updated:** [April 13, 2026, 8:42am UTC](https://forum.cedalo.com/t/telegraf-integration/1241 "2026-04-13T08:42:20Z")
Hi Community, Is there any Telegraf integration available to monitor the Mosquitto load in InfluxDB. There are solutions to use a dummy MQTT client registering on the messages and present this counter. But it would be … --- ## [Cellular downlink delay causing issues](https://forum.cedalo.com/t/cellular-downlink-delay-causing-issues/1239)
**Author:** [@Jeremy](https://forum.cedalo.com/u/Jeremy)\ **Replies:** 0\ **Last updated:** [March 26, 2026, 6:12pm UTC](https://forum.cedalo.com/t/cellular-downlink-delay-causing-issues/1239 "2026-03-26T18:12:13Z")
Hi, I have been developing a product to do point to multipoint I/O Telemetry over cellular infastructure via MQTT. My Cellular provider (Telus) appears to be halting the downlink side of the connection if the socket is … --- ## [Mosquitto migration from 1.x to 2.0.20](https://forum.cedalo.com/t/mosquitto-migration-from-1-x-to-2-0-20/1238)
**Author:** [@Akash](https://forum.cedalo.com/u/Akash)\ **Replies:** 0\ **Last updated:** [March 26, 2026, 2:23pm UTC](https://forum.cedalo.com/t/mosquitto-migration-from-1-x-to-2-0-20/1238 "2026-03-26T14:23:33Z")
I want to migrate Mosquitto from version 1.x to 2.0.20 on and we are using the persistent database file mosquitto.db. When I copied the old mosquitto.db (version 1.x) to the persistence path of new mosquito (2.0.20) and… --- ## [Mosquitto MQTT broker](https://forum.cedalo.com/t/mosquitto-mqtt-broker/1237)
**Author:** [@Amrit](https://forum.cedalo.com/u/Amrit)\ **Replies:** 0\ **Last updated:** [March 19, 2026, 10:46am UTC](https://forum.cedalo.com/t/mosquitto-mqtt-broker/1237 "2026-03-19T10:46:02Z")
Hello sir, We are using mosquitto MQTT broker version 3.1.1 & deployed on Linux ubuntu machines. We observed mosquitto auto restart with below error in syslog. kernel: \[11920710.948355\] traps: mosquitto\[18931\] general… --- ## [How to connect Mosquitto in Windows11?](https://forum.cedalo.com/t/how-to-connect-mosquitto-in-windows11/1231)
**Author:** [@edgar586](https://forum.cedalo.com/u/edgar586)\ **Replies:** 1\ **Last updated:** [March 12, 2026, 6:14pm UTC](https://forum.cedalo.com/t/how-to-connect-mosquitto-in-windows11/1231 "2026-03-12T18:14:23Z")
This is crazy… can mosquitto work in Windows 11? I had it working without any user name and password to test Node Red, but then I added user name and password, and suddenly the service stopped working in Task Manager f… --- ## [How/Where to Process Subscribed Messages](https://forum.cedalo.com/t/how-where-to-process-subscribed-messages/776)
**Author:** [@DS256](https://forum.cedalo.com/u/DS256)\ **Replies:** 2\ **Last updated:** [February 11, 2026, 5:08pm UTC](https://forum.cedalo.com/t/how-where-to-process-subscribed-messages/776 "2026-02-11T17:08:47Z")
I’m new to PAHO MQTT Client functions and subscribing to topics. From experience in Thonny it it appears to be an asynchronous environment with the processing done in the ‘on\_message’ function. I’m looking for best prac… --- ## [How to connect Cedalo MQTT Platform to OS Broker with TLS pre-shared key only?](https://forum.cedalo.com/t/how-to-connect-cedalo-mqtt-platform-to-os-broker-with-tls-pre-shared-key-only/1224)
**Author:** [@cowgoesmoo69](https://forum.cedalo.com/u/cowgoesmoo69)\ **Replies:** 1\ **Last updated:** [February 11, 2026, 8:57am UTC](https://forum.cedalo.com/t/how-to-connect-cedalo-mqtt-platform-to-os-broker-with-tls-pre-shared-key-only/1224 "2026-02-11T08:57:51Z")
Hello, I’m trying to connect the Cedalo MQTT Platform to my open source broker that is running on a VPS. When filling in the connection details it appears I have to supply certificates to use TLS. This is not how I hav… --- ## [Mosquitto\_sub connection timeout when subscribing from remote laptop over TLS (port 8883)](https://forum.cedalo.com/t/mosquitto-sub-connection-timeout-when-subscribing-from-remote-laptop-over-tls-port-8883/1222)
**Author:** [@Ranjith](https://forum.cedalo.com/u/Ranjith)\ **Replies:** 11\ **Last updated:** [February 3, 2026, 10:30am UTC](https://forum.cedalo.com/t/mosquitto-sub-connection-timeout-when-subscribing-from-remote-laptop-over-tls-port-8883/1222 "2026-02-03T10:30:31Z")
I have set up a Mosquitto broker on Laptop A (10.2.30.23) listening on port 8883 with TLS enabled. The broker starts successfully and local publish/subscribe on Laptop A works fine. Laptop A acts as: MQTT Broker M… --- ## [Partial successful connection to Mosquitto](https://forum.cedalo.com/t/partial-successful-connection-to-mosquitto/1210)
**Author:** [@ric-m](https://forum.cedalo.com/u/ric-m)\ **Replies:** 5\ **Last updated:** [January 20, 2026, 9:56pm UTC](https://forum.cedalo.com/t/partial-successful-connection-to-mosquitto/1210 "2026-01-20T21:56:52Z")
I have been using mosquitto /mqttx/mqtt-explorer for years without issue on several RaspberryPi 5’s (RPi). A device failed and the backups, so I am creating a fresh install using docker and Latest RPi OS (Bookworm). All… --- ## [Mosquitto & big payloads](https://forum.cedalo.com/t/mosquitto-big-payloads/1221)
**Author:** [@Robert](https://forum.cedalo.com/u/Robert)\ **Replies:** 0\ **Last updated:** [January 20, 2026, 12:28pm UTC](https://forum.cedalo.com/t/mosquitto-big-payloads/1221 "2026-01-20T12:28:00Z")
Hello Everybody In my project I need to transfer over MQTT big files (bigger than MAX\_MQTT\_PAYLOAD). Because of that I split the file to chunks of the size smaller than MAX\_MQTT\_PAYLOAD and send them over the MQTT and m… --- ## [Upgraded mosquitto to 2.0.22 Now can't Start Service (W11 Pro)](https://forum.cedalo.com/t/upgraded-mosquitto-to-2-0-22-now-cant-start-service-w11-pro/1219)
**Author:** [@SoggyGeek](https://forum.cedalo.com/u/SoggyGeek)\ **Replies:** 4\ **Last updated:** [January 20, 2026, 3:38am UTC](https://forum.cedalo.com/t/upgraded-mosquitto-to-2-0-22-now-cant-start-service-w11-pro/1219 "2026-01-20T03:38:03Z")
Hi I have been happily running mosquitto as a service for a couple of years on my Windows 11 computer. The version I was running was 2.0.18. I recently upgraded, using this exe downloaded from mosquitto.org: mosquitto… --- ## [Planning a DIY Smart Home Setup With MQTT](https://forum.cedalo.com/t/planning-a-diy-smart-home-setup-with-mqtt/1211)
**Author:** [@BossB](https://forum.cedalo.com/u/BossB)\ **Replies:** 3\ **Last updated:** [January 3, 2026, 5:28pm UTC](https://forum.cedalo.com/t/planning-a-diy-smart-home-setup-with-mqtt/1211 "2026-01-03T17:28:31Z")
Hey everyone, I’m currently planning out a DIY smart home project and I’d love to get some advice before I actually start building anything. This is my first time doing a full IoT setup from scratch, so I want to make s… --- ## [How to save on a file the output of mosquitto\_sub?](https://forum.cedalo.com/t/how-to-save-on-a-file-the-output-of-mosquitto-sub/1212)
**Author:** [@Mbongoo](https://forum.cedalo.com/u/Mbongoo)\ **Replies:** 1\ **Last updated:** [December 17, 2025, 8:26am UTC](https://forum.cedalo.com/t/how-to-save-on-a-file-the-output-of-mosquitto-sub/1212 "2025-12-17T08:26:13Z")
Instead of printing it, how to save on a file the output of mosquitto\_sub ? --- ## [We are using mosquito 1.4.11 in our gateway & in backend broker 1.4.90. but we upgraded our backend mosquito to 1.6.9, we are observing multiple disconnection between gateway & backend broker even proper internet available in gateway](https://forum.cedalo.com/t/we-are-using-mosquito-1-4-11-in-our-gateway-in-backend-broker-1-4-90-but-we-upgraded-our-backend-mosquito-to-1-6-9-we-are-observing-multiple-disconnection-between-gateway-backend-broker-even-proper-internet-available-in-gateway/1208)
**Author:** [@Amrit](https://forum.cedalo.com/u/Amrit)\ **Replies:** 6\ **Last updated:** [December 5, 2025, 11:32am UTC](https://forum.cedalo.com/t/we-are-using-mosquito-1-4-11-in-our-gateway-in-backend-broker-1-4-90-but-we-upgraded-our-backend-mosquito-to-1-6-9-we-are-observing-multiple-disconnection-between-gateway-backend-broker-even-proper-internet-available-in-gateway/1208 "2025-12-05T11:32:20Z")
Hi dear, I am using mosquito 1.4.11 in our linux gateway & in backend broker 1.4.90. but when we upgraded our backend mosquito to 1.6.9 or higher version, we are observing multiple longer disconnection between gateway & … --- ## [Windows service fails to start automatically on boot after changing the listening address to a static IP](https://forum.cedalo.com/t/windows-service-fails-to-start-automatically-on-boot-after-changing-the-listening-address-to-a-static-ip/1209)
**Author:** [@Cool](https://forum.cedalo.com/u/Cool)\ **Replies:** 1\ **Last updated:** [November 10, 2025, 9:45am UTC](https://forum.cedalo.com/t/windows-service-fails-to-start-automatically-on-boot-after-changing-the-listening-address-to-a-static-ip/1209 "2025-11-10T09:45:21Z")
On Windows, after configuring 127.0.0.1, the Mosquitto service can start normally after a reboot. However, when I set it to my static IP, the service fails to start automatically. I then used a startup batch script: if t… --- ## [Whether or not support cluster in the Open-source Mosquitto?](https://forum.cedalo.com/t/whether-or-not-support-cluster-in-the-open-source-mosquitto/1207)
**Author:** [@anlex\_N](https://forum.cedalo.com/u/anlex_N)\ **Replies:** 1\ **Last updated:** [November 4, 2025, 11:24am UTC](https://forum.cedalo.com/t/whether-or-not-support-cluster-in-the-open-source-mosquitto/1207 "2025-11-04T11:24:08Z")
I have reviewed this github issue, but today is 2025-11-01, this issue is not updated. --- ## [Genmon - MQTT - Cannot get them to talk](https://forum.cedalo.com/t/genmon-mqtt-cannot-get-them-to-talk/1205)
**Author:** [@overwatch](https://forum.cedalo.com/u/overwatch)\ **Replies:** 1\ **Last updated:** [October 21, 2025, 7:48am UTC](https://forum.cedalo.com/t/genmon-mqtt-cannot-get-them-to-talk/1205 "2025-10-21T07:48:34Z")
I have a raspberrypi that is running Genmon (generator monitor app). I installed MQTT on the Raspberrypi, but after doing that I found that Genmon has add-ons . . . MQTT integration and MQTT Sensor Input. Pics attached .… --- ## [What is host name](https://forum.cedalo.com/t/what-is-host-name/1206)
**Author:** [@karl251018](https://forum.cedalo.com/u/karl251018)\ **Replies:** 1\ **Last updated:** [October 21, 2025, 7:36am UTC](https://forum.cedalo.com/t/what-is-host-name/1206 "2025-10-21T07:36:57Z")
I installed Mosquitto on windows 11 but cannot find a way to see the host name. Mosquitto is running as a windows service and the test.eclipse.org connection in the MQTT Connection software shows a lot of activity. Howev… --- ## [Mosquito in docker on Synology - external access](https://forum.cedalo.com/t/mosquito-in-docker-on-synology-external-access/415)
**Author:** [@chela](https://forum.cedalo.com/u/chela)\ **Replies:** 9\ **Last updated:** [September 30, 2025, 9:53am UTC](https://forum.cedalo.com/t/mosquito-in-docker-on-synology-external-access/415 "2025-09-30T09:53:30Z")
I am new to Mosquitto, How do I access Mosquitto Broker that is running in Docker on a Synology NAS. I need to find / enable external address of the Broker so my Particle Boron can communicate with the Broker. Your he… --- ## [ACL: How to secure only one topic?](https://forum.cedalo.com/t/acl-how-to-secure-only-one-topic/1195)
**Author:** [@dakes](https://forum.cedalo.com/u/dakes)\ **Replies:** 1\ **Last updated:** [September 24, 2025, 7:15am UTC](https://forum.cedalo.com/t/acl-how-to-secure-only-one-topic/1195 "2025-09-24T07:15:00Z")
Hi, So far I am not using any ACLs, but since I am getting a smart lock I want to secure the topic so that only one user can write to it. After reading the documentation I am a bit confused though. Is it correct that i… --- ## [Cross build libmosquitto static library for Android](https://forum.cedalo.com/t/cross-build-libmosquitto-static-library-for-android/560)
**Author:** [@TheBlackSheep](https://forum.cedalo.com/u/TheBlackSheep)\ **Replies:** 13\ **Last updated:** [September 23, 2025, 2:13pm UTC](https://forum.cedalo.com/t/cross-build-libmosquitto-static-library-for-android/560 "2025-09-23T14:13:47Z")
Hi I’m trying to cross-build the mosquitto library for Android - I am building (as part of a Godot game engine installation) support for MQTT client. The static library builds fine under Linux (Ubuntu) with openssl 1.1… --- ## [MQTT over IPv6 with port 8883](https://forum.cedalo.com/t/mqtt-over-ipv6-with-port-8883/1196)
**Author:** [@RajKishoreM](https://forum.cedalo.com/u/RajKishoreM)\ **Replies:** 3\ **Last updated:** [September 16, 2025, 8:55am UTC](https://forum.cedalo.com/t/mqtt-over-ipv6-with-port-8883/1196 "2025-09-16T08:55:02Z")
Hi, I’m evaluating MQTT solutions for a cloud-based IoT project in India. Could you confirm if your product supports MQTT over IPv6 and secure communication via port 8883? Also, do you offer cloud deployment options? T… --- ## [Debian package failure](https://forum.cedalo.com/t/debian-package-failure/1194)
**Author:** [@seasoned\_geek](https://forum.cedalo.com/u/seasoned_geek)\ **Replies:** 1\ **Last updated:** [September 9, 2025, 8:35am UTC](https://forum.cedalo.com/t/debian-package-failure/1194 "2025-09-09T08:35:17Z")
All, I have searched quite a few places, even the official Mosquitto GitHub and I do not see the scripts/files for building Debian packages. Someone tried to fix the install error with a hack to mosquitto.service and it… [Next page](https://forum.cedalo.com/latest.md?page=1)