MQTT issues with sites hosted through cloudflare

[Kevin Crivelli]

I have been able to get MQTT to work via my local address inside my network however when I attempt to do this at my website https://kevinheaven.net which goes through cloudflare I am unable to get this to work. I had discovered that cloudflare does not support the ports that mqtt work through. I am wondering if anyone else has run into this issue and if so has found a work around for it. I am using a public MQTT broker hive.mq.

[Kevin Davis]

Do you know what ports ARE available to you?  You can change the port from 1883 in config.xml.

-Kevin

On Mon, Jul 24, 2023 at 8:20 AM Kevin Crivelli <kevinjc...@gmail.com> wrote:

I have been able to get MQTT to work via my local address inside my network however when I attempt to do this at my website https://kevinheaven.net which goes through cloudflare I am unable to get this to work. I had discovered that cloudflare does not support the ports that mqtt work through. I am wondering if anyone else has run into this issue and if so has found a work around for it. I am using a public MQTT broker hive.mq.

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[gary....@gmail.com]

If you read their docs/faq carefully, you will note that a ws/wss connection is not supported.

I get around this by proxying all except the mqtt server. That one is the same server, just a different cname.

Give that a try. It is the only 'solution' I could come up with.

[Kevin Crivelli]

I get that in theory and I think I got close to setting that up right before but could you give me some more details on your setup? Do you just make like anl cname for the mqtt like mqtt.yourdnsname.com and turn off proxy for it. Here's the thing tho, I'm using a public mqtt server. Thought that would get around it.. I'm just confused but on the right track 

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[gary....@gmail.com]

Doesn't matter where the mosquitto server is hosted, cloudflare doesn't allow WS or WSS

Yes, my server has it's own SSL cert and is a cname, no proxy via cloudflare.

[gary....@gmail.com]

What cloudflare service are you using?
I just do my DDNS with them, then I proxy all except the MQTT.

I thought about using their tunnel, but it would have required wholesale changes which I didn't want to do.