ZyXEL Communications P-660RU-Tx User Manual

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 Chapter 10 Network Address Translation (NAT)
P-660RU-Tx User’s Guide
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10.2  The NAT Screen
Use this screen to configure NAT for each PVC. Click Advanced Setup > NAT to 
open the following screen.
Figure 34   Advanced Setup > NAT
The following table describes the labels in this screen.
10.3  The DMZ Screen
The DeMilitarized Zone (DMZ) provides a way for public servers (Web, e-mail, FTP, 
etc.) to be visible to the outside world (while still being protected from DoS 
(Denial of Service) attacks such as SYN flooding and Ping of Death). These public 
servers can also still be accessed from the secure LAN. 
By default the firewall allows traffic between the WAN and the DMZ, traffic from 
the DMZ to the LAN is denied, and traffic from the LAN to the DMZ is allowed. 
Table 21   Network > NAT > General
LABEL
DESCRIPTION
Virtual Circuit
Select the PVC you want to configure from the drop-down list box.
NAT Status
This field shows whether NAT is enabled. See 
 for 
more details on activating NAT.
Number of IPs
Select Single if you have just one public WAN IP address for your P-
660RU-Tx.
Select Multiple if you have multiple public WAN IP addresses for your 
P-660RU-Tx.
DMZ
Click this to configure the DMZ settings. See 
 
for more details.
Virtual Server
Click this to configure port forwarding rules for your P-660RU-Tx. See 
 for more details.
IP Address 
Mapping
This is available only when you select Multiple in the Number of IPs 
field. Click this to configure address mapping rules for your P-660RU-Tx. 
See 
 for more details.