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Chapter 10 Network Address Translation (NAT)
Internet users can have access to host servers on the DMZ but no access to the
LAN, unless special filter rules allowing access were configured by the
administrator or the user is an authorized remote user.
Use this screen to configure a separate independent network from the LAN in
which you can put your servers. Click Advanced Setup > NAT > DMZ to open
the following screen.
Figure 35 Advanced Setup > NAT > DMZ
The following table describes the labels in this screen.
Table 22 Advanced Setup > NAT > DMZ
LABEL
DMZ setting for
DMZ
DMZ Host IP
Address
SAVE
BACK
10.4 The Virtual Server Screen
LAN computers usually have DHCP-assigned private IP address that cannot be
accessed directly from the WAN. Use this screen to allow the P-660RU-Tx to
forward traffic to the servers on the LAN.
You may enter a single port number or a range of port numbers to be forwarded,
and the local IP address of the desired server. The port number identifies a
service; for example, web service is on port 80 and FTP on port 21. In some
cases, such as for unknown services or where one server can support more than
one service (for example both FTP and web service), it might be better to specify
a range of port numbers. You can allocate a server IP address that corresponds to
a port or a range of ports.
92
DESCRIPTION
This field displays the PVC you want to configure.
Use this field to enable or disable DMZ.
Type the IP address for DMZ in dotted decimal notation.
Note: Make sure the IP addresses of the LAN, WAN and DMZ are
on separate subnets.
Click this to save your settings.
Click this to return to the previous screen without saving.
P-660RU-Tx User's Guide
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