What is port 8883 used for?

[Brian--US]

My gt-axe16000 tries to connect to various .compute.amazonaws.com servers on port 8883. What is that for?

[jzchen · Accepted solution]

Didn't get to read much of it, (yet)...

https://aws.amazon.com/blogs/iot/mqtt-with-tls-client-authentication-on-port-443-why-it-is-useful-an...