Q-See QSNDVR4R User Manual page 63

4 Channel Digital Video Recorder
3): In case the connection to the Internet is by proxy server, users should utilize port mapping software
and open ports 5000 –5002 for the surveillance computer.
4): In case users connect to the Internet by router, users should add the IP address of the surveillance
computer and open the above mentioned ports in DMZ setup or via Virtual Server setup of the router
(the names may be different for different types of routers).
5): For CABLE MODEM and ADSL MODEM types, the configuration is somewhat similar:
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