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For example, when you want to run NetMeeting to communicate with your
friend on the Internet, he /she cannot find your LAN host due to Broadband
Router ’s NAT function. However, after you assign the LAN IP address
192.168.1.2
as the Local DMZ Host, your friend can call Broadband Router ’s
Public IP address
140.112.8.8
and the service request of NetMeeting will be
forwarded to your LAN host with the LAN IP address
192.168.1.2
, as
illustrated Then you will be able to communicate with your friend via
NetMeeting. Besides, the other LAN clients behind Broadband Router are
still protected by its firewall, and the traffic initiated from the Internet is
denied to access these LAN clients
To activate Local DMZ Host, please check the
Enable
item and assign the
LAN IP address of the LAN host. Then click the button
Apply
to make your
settings take effect.
B.
Public DMZ Host
To set up a server with a Public IP address when two or more public IP addresses
are available, you can assign a device with a Public IP address on the LAN side
as
Public DMZ Host
. Broadband Router can provide tunneling service for data
traffic between Public DMZ Host and the Internet. As shown in the Figure 6-17,
the Host with the Public IP address
140.115.2.5
is assigned as Public DMZ Host.
You can set it up as a server, and the traffic initiated from the Internet will be
forwarded to the Host with the Public IP address
140.115.2.5
. Besides, the other
LAN clients behind the Broadband Router are still protected by firewall, and the
traffic initiated from the Internet is denied to access these LAN clients.
