D-Link DFL-600 Manual page 62

Tools − Firmware
The Firmware Upgrade page allows you to upgrade the DFL-600's firmware
from a new firmware file stored on your local hard drive.
In addition, you can choose to load the DFL-600's current VPN or Firewall
settings to a hard drive on a local computer. Clicking on the OK button will
initiate a download of either the VPN settings (as a text file named
DFL600_vpn.txt) or the Firewall settings (as a text file named
DFL600_cw.txt). These files will be uploaded from the DFL-600 to the hard
drive of the computer that is accessing the web-based configuration manager.
You can choose where on the local computer's hard disk the files will be
stored.
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