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Server Requirement
Port List:
| Platform | Port | Description |
| CB3 | 21083 | Device connect port |
| 20700 | Web client login | |
| 20500 | Basic platform | |
| 20720 | Video OCX upgrade | |
| 20520 | Evidence export | |
| 21720 | LiveView, device to server | |
| 21700 | LiveView, OCX to server | |
| 21800 | Device upload files(Videos, pictures, blackbox) | |
| 20710 | CB3 application interface, API interface | |
| 21010 | File manage (File upload, download, delete) | |
| 21250 | API gateway, S17 platform interface | |
| 20711 | API websocket realtime push interface | |
| 21701-21710 | H5 LiveView | |
| 21711 | H5 Playback | |
| Crocus | 22210 | Crocus login |
| 21935 | Device's remote configuration (N9M device to server) | |
| 21936 | Device's remote configuration (web client to server) | |
| 21937 | Device's remote configuration (N9M2.0 device to server) | |
| 21938 | Device's remote configuration (N9M2.0 web client to server) | |
| 21081 | N9M device connect Crocus | |
| 21840 - 21849 | FTP data ports, used for old Crocus file download | |
| 21011 | FTP listen port, used for old Crocus file download |