I am looking for a definitive guide on device cloud connection requirements. I do not see anything in the documentation other than a brief mention of “tcp://device.spark.io:5683”. I did find a great post by @rickkas7 that also calls out that CoAP requirement but further specifies addresses that need to be accessible over TCP port 443.
I am facing an issue where a restrictive firewall is preventing connection from an Argon device. If it doesn’t already exist, I propose a clear and complete section in the documentation that describes the connection specifics for all device cloud features. If someone at Particle can educate me on the details, I would be willing to author the public documentation.