linkpi_firmware_history/rootfs/link/config/default/port.json

{
  "http": [
    80,
    80,
    80
  ],
  "httpts": [
    8090,
    8090,
    8090
  ],
  "rtsp": [
    554,
    554,
    554
  ],
  "rtmp": [
    1935,
    1935,
    1935
  ],
  "telnet": [
    23,
    23,
    23
  ],
  "ssh": [
    22,
    22,
    22
  ]
}