Can connect internet, but not cloud, at work

Hi im trying to connect my photon to my work network. I have tried both the guest network and setting up a router myself with my own network. This router works fine at home and other places.

What happens is that it connects, flashing green and blinking cyan, then after some seconds it flashes three red blinks. This means according to the docs, can connect internet but not the cloud.

Therefore I wonder if anyone knows what port and stuff this runs on? Think maybe my works firewall catches this attempt and eats it.

The same photon works on my mobiles hotspot so its nothing with the photon.

Port 5683 for COAP :slight_smile:

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