As a minimum, you need 443 inbound to LogonBox to get to the UI.
Port 80 inbound is optional to get to the HTTP redirect port.
Port 80 inbound is optional to get to the HTTP redirect port.
If you have AD, then LogonBox needs to get to AD on the LDAPS port 636
To access updates, you need outbound port 80 to ftp.debian.org for OS updates, outbound port 443 to updates2.hypersocket.com for product updates.
At times you may need our team to connect to your LogonBox server for remote support, for that you will need outbound access on port 443 to support2.nervepoint.com.