The firewall can connect the communication between the app server and the app. To make sure that the firewall allows the connection, add a firewall rule.
1. Go to Windows Firewall and click on 'Advanced Settings'
2. Click on 'Inbound rules' en klik op 'new rule'
3. Select 'port'
4. Enter the port (displayed in the app server screen)
5. Use the default settings
6. Use the default settings
7. Give the new rule a name (for instance: 'TerraBase App Server') and click on 'Finish'