General security configuration for a Z45 Controller

The General Configuration section of the Security Preferences screen enables you to manage access to the Z45 Controller interface from the web UI.

Access the device's web UI from the Device Summary page.
Click Admin Main.
In the Services section, click Security Preferences. The Security Preferences screen displays.
Scroll to the General Configuration section.
To enable the firewall, select Enabled from the Firewall Status list box.

When enabled, the firewall blocks all WAN traffic except for port 80 and the serial pad port if, and only if, the serial pad is active. Since an SMS command can be used to temporarily open ports for ad-hoc maintenance there are very few reasons to ever disable the firewall.
Determine the XML Interface status. It can be enabled to open port 5060 for XML applications
- Enabled: Select Enabled to open port 5060 for XML applications.
- Disabled: Select Disabled to close the port.
Determine the WAN ping response status. From the WAN Ping Response list box, choose:
- Disabled: Disable the WAN ping response.
- Enabled: Enable the WAN ping response to test the network performance.
Determine whether to allow NAT traffic to the WAN. From the NAT Traffic to WAN list box, choose:
- Disabled: Selecting this option is discouraged.
- Enabled: This is the default and it should not be changed.
Click Update.