# New MQTT conf problem

**URL:** <https://discourse.nodered.org/t/new-mqtt-conf-problem/69047>\
**Category:** General\
**Tags:** node-red-dashboard, database\
**Created:** [14 October 2022 21:48 UTC](https://discourse.nodered.org/t/new-mqtt-conf-problem/69047 "2022-10-14T21:48:18Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [14 October 2022 22:14 UTC](https://discourse.nodered.org/t/new-mqtt-conf-problem/69047/2 "2022-10-14T22:14:42Z")

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Hi, your post is a little unclear but at a guess you cannot connect to mosquito MQTT version 2 right?

Search the forum and search the internet mosquito version 2 is secure by default, so you need to modify the config file to permit connection other than localhost.

Example: [Setting up a Live/Prod and a Development System - #20 by Colin](https://discourse.nodered.org/t/setting-up-a-live-prod-and-a-development-system/67415/20)

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