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Application Ports

The docker images expose the following ports:

3000 Grafana. Your main dashboard. Default login is admin\admin.
9090 Prometheus. Access to this port should be restricted.
9100 Node Exporter. Access to this port should be restricted.
Your secret node metrics on port 26660 should also be restricted.

If you followed the basic security guide, these ports are already restricted. You will need to allow the grafana port:

sudo ufw allow 3000

You can also allow access from a specific IP if desired:

sudo ufw allow from 123.123.123.123 to any port 3000