In all the installation nodes, check that the following ports are accessible for incoming traffic to PKI Hub.

Source

Protocol

Target service

Target port

The IP of the PKI Hub administrator

TCP/SSH

SSH

22

The IP of the Grafana and Management Console users

TCP/HTTPS

Grafana and the Management Console

443

The IP of the PKI Hub administrator

HTTP

Health endpoint (see Checking the node health)

15021