D-Link DCS-942L User Manual page 48

Section 5 - Security
The Setup > Network page displays the port settings for your camera. If necessary, these ports can be changed if they are already in use by other
devices (e.g. in a multiple camera environment).
Note: Both the HTTP port and RTSP port are required to be opened for the DCS-942L.
D-Link DCS-942L User Manual 48