How to Disable System Firewall

Firewall Configuration Open Port 8565 (Windows) Open Control Panel → System and Security → Windows Firewall. Click Advanced settings. Select Inbound Rules → New Rule. Choose Port and click Next. Enter 8565 as the TCP port and click Next. Select Allow the connection. Apply the rule to all networks (Domain, Private, Public). Assign a name (e.g. "RistoManager Handhelds") and finish. Connection Test To verify the port is open, use an online tool or: Open a command prompt on the server PC. Type: netstat -an | find "8565" If you see LISTENING, the port is open.