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Updated:December 11, 2018
Configuration of DMZ Settings for SPA122
A demilitarized zone (DMZ) is a portion of a network that resides behind a firewall yet is still open to the public. A DMZ is useful for email and web servers. Because of the firewall protection, an administrator can restrict access to certain services and ports in the DMZ from both the LAN and WAN. Due to the separation of DMZ from the regular LAN, a compromise in the security of the DMZ does not mean that there is an issue with the security of the LAN. The objective of this article is to enable and configure the DMZ (Demilitarized Zone) settings on the SPA122 device.
Step 1. Log in to the web configuration utility and choose Network Setup > Application > DMZ. The DMZ page opens:
Step 2. Click the Enabled radio button to enable the DMZ setting on the device from the Status field. The default status of the DMZ is set as Disabled.
Step 3. Enter the local IP address of the device that can be accessed throughout the DMZ in the Private IP field.
Step 4. Click Submit to save your settings, or click Cancel to abandon any unsaved entries.