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Interfaces
Click on System in the menu bar, and then click interfaces below it.
Change IP of the LAN or DMZ interface
Follow these steps to change the IP of the LAN or DMZ interface.
Step 1. Choose which interface to view or change under the Available interfaces list.
Step 2. Fill in the IP address of the LAN or DMZ interface. These are the address that will
be used to ping the firewall, remotely control it and use as gateway for the internal hosts or
DMZ hosts.
Step 3. Choose the correct Subnet mask of this interface from the drop down menu.
Click the Apply button below to apply the setting or click Cancel to discard changes.