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Wireless Cable Modem Gateway CG814WG v3 Reference Manual
4-12 Managing Your Network
v1.0, June 2007
Web browser access normally uses the standard HTTP service port 80. For greater security,
you can change the remote management Web interface to a custom port by entering that
number in the box provided. Choose a number between 1024 and 65535, but do not use the
number of any common service port. The default is 8080, which is a common alternate for
HTTP.
4. Click Apply to have your changes take effect.
Revert to Factory Default Setting
If you would like to erase settings but continue to allow access from the WAN after the settings
have been erased, then select the Allow Remote Management after Factory Default Reset
check box. Then click Erase.
URL to Connect to This Device
To manage this gateway via the Internet, you need to its public IP Address, as seen from the
Internet. This public IP Address is allocated by your ISP, and is shown on this screen. But if your
ISP account uses a dynamic IP Address, the address can change each time you connect to your ISP.
There are two solutions to this problem:
• Have your ISP allocate you a Fixed IP address.
• Use the Dynamic DNS feature so you can connect using a domain name, rather than an IP
address. See “Dynamic DNS” on page 4-8.
UPnP
Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers, access
the network and connect to other devices as needed. UPnP devices can automatically discover the
services from other registered UPnP devices on the network.
Figure 4-13