In your firewall configuration, create inbound rules to enable the d.velop components to communicate with each other:
|d.3 gateway||TCP||3400, 3482|
|d.3 process manager||TCP||3480|
|d.ecs http gateway||TCP||443, 4200, 4280|
|d.ecs jstore (primary application server)||TCP||6380|
|d.ecs jstore (all cluster nodes)||TCP||6379|
The table contains only port entries for components that are required to proceed further in this documentation. If you are installing additional components, you can find information on which ports to enable in the applicable documentation.