Hi,
This appears to be a common Kibana configuration issue.
Go to:
Configuring Kibana | Kibana User Guide [6.6] | Elastic
and search on that page for "server.host", it looks like the default setting is "localhost".
You cannot access another machine's localhost from a remote IP.
So you would have to change that setting to the actual IP address you want to access it on.
After that, restart kibana and try again.
hope this helps,
--
Wil