In some cases, a host in an external network might not be able to connect to the main account via the default port, due to security restrictions. You can add a server configuration to open a custom port. The server configuration must be added on the main account.
In the main account, go to
→ → .In the Server Configuration section click Add Server Configuration.
Key
Value
host.communication.port
port number
Restart the server.
For a high availability deployment, restart all main servers.