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DCS-G900 User’s Manual
D-Link Systems, Inc.
Installing the DCS-G900 Behind a Router
Assigning and Opening the HTTP Port on the
DCS-G900
(For Installing Multiple Cameras)
Opening ports will allow users to view the camera via the Internet. The ports that are opened
must be unique for each camera in order to successfully view the images remotely.
1) Open the HTTP Port
The HTTP Port option is used when multiple cameras are being installed behind a single
public IP address and will be accessed remotely OR for using a port other than the default
port for image viewing. For each additional camera that is installed, you must assign the
appropriate Web server port for each camera to enable remote viewing.
By default, port 80 (Web server port) is open. If these ports are available for use, you DO NOT
have to open a second port and can proceed to the next section. If port 80 is not available
(for example, if you are already using port 80 to run a Web server or your ISP blocks access
on port 80*) you MUST open a second port and designate a new Web server port (800, 801,
802,…etc). IMPORTANT: Be sure to take note of these settings since these same settings
will be used to configure your router.
Note: Some ISPs block traffic on commonly used ports like port 80 to prevent consumers
from putting a server on their network. Be sure to check with your ISP so that you can open
the appropriate ports accordingly. If your ISP does not pass traffic on port 80, you will need to
change the Web server port the camera uses from 80 to something else, like 800. If you are
behind a residential gateway, you will need to open a corresponding port on your gateway as
well. Not all gateways are the same, please refer to your gateway’s user’s manual for specific
instructions on how to forward ports.
Installing the DCS-G900 Behind a Router