User manual

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports
User Manual
Configuring via Web-based Interface
Parameter Description
Private port (begin)/
Private port (end)
A port of the IP address specified in the Private IP field to which
traffic is directed from the Public port. Specify the start and the
end value for the port range. If you need to specify one port, enter
the needed value in the Private port (begin) field and leave the
Private port (end) field blank.
Private IP The IP address of the server from the local area network.
Click the Change button.
To edit the parameters of an existing server, select the relevant server in the table. On the opened
page, change the needed parameters and click the Change button.
To remove an existing server, select the relevant server in the table. On the opened page, click the
Delete button.
DMZ
A DMZ is a host or network segment located “between” internal (local) and external (global)
networks. In the router, the DMZ implements the capability to transfer a request coming to a port of
the DSL router from the external network to a specified host of the internal network.
On the Firewall / DMZ page you can specify the IP address of the DMZ host.
Figure 41. The Firewall / DMZ page.
To enable the DMZ, select the Enabled checkbox, enter the IP address of a host from your
network in the IP address field, and click the Change button.
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