If you can get to the web UI, then you can modify this setting under Administration > Settings > Ports and Addresses.   If you can't, then run a curl command to update it via the API, while ssh'd in to the host (so your firewall doesn't get in the way): curl -X PUT -u "admin:admin" -i \ -H "content-type:application/json" \ -d '{ "items": [ { "name": "HTTP_PORT", "value": 8080 } ] }' \ http://<cm_host>:7180/api/v3/cm/config ... View more