Download Apply/Save

After setting, click Save/Apply to apply the settings.
Note:
You can use a single port number, several port numbers separated by
commas, port blocks consisting of two port numbers separated by a
dash, or any combination of these, for example 80, 90-140, 180.
5.3.4.3. DMZ Host
DMZ allows all the ports of a PC on your LAN to be exposed to the Internet.
Set the IP address of the PC to be DMZ host, so that the DMZ host will not be
blocked by firewall.
Choose Advanced Setup > NAT > DMZ host to display the following page.
In this page, enter the IP address of the DMZ host.
After setting, click the Apply/Save button to apply the settings.
To clear the DMZ function of the host, delete the IP address of the host in the
field of DMZ Host IP Address, and then click the Apply/Save button.
5.3.5.
Security
By default, the firewall is enabled. The firewall is used to block the file
transmission between the Internet and your PC. It serves as a safety guard
and permits only the authorized files to be sent to the LAN.
Note:
If the DSL router is configured as bridge mode, Firewall is disabled.
Firewall
When the Firewall is enabled on the DSL router, the security functions for the
local network and the internet are enabled at the same time.
Choose Security > Firewall and the following page appears.
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