Chapter 8 Network Address Translation (NAT)
P-870H/HW Series User’s Guide
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The following table describes the labels in this screen.
8.4 The Address Mapping Screen
Ordering your rules is important because the ZyXEL Device applies the rules in the
order that you specify. When a rule matches the current packet, the ZyXEL Device
takes the corresponding action and the remaining rules are ignored.
Table 36
Port Forwarding Edit
LABEL
DESCRIPTION
Active
Clear the check box to disable the rule. Select the check box to enable it.
Service Name
Enter a name to identify this rule. This field is read-only if you click the
Edit icon in the Port Forwarding screen.
WAN Interface
Select a WAN interface for which you want to configure port forwarding
rules.
External Start
Port
Enter the original destination port for the packets.
To forward only one port, enter the port number again in the External
End Port field.
To forward a series of ports, enter the start port number here and the
end port number in the External End Port field.
External End
Port
Enter the last port of the original destination port range.
To forward only one port, enter the port number in the External Start
Port field above and then enter it again in this field.
To forward a series of ports, enter the last port number in a series that
begins with the port number in the External Start Port field above.
Internal Start
Port
Enter the port number here to which you want the ZyXEL Device to
translate the incoming port. For a range of ports, enter the first number
of the range to which you want the incoming ports translated.
Internal End
Port
Enter the last port of the translated port range.
WAN IP
Address
Enter the incoming packet’s destination IP address.
This field is optional.
Server IP
Address
Enter the inside IP address of the virtual server here.
Protocol
Select the protocol supported by this virtual server. Choices are TCP,
UDP, or TCP/UDP.
Back
Click Back to return to the previous screen.
Apply
Click Apply to save your changes back to the ZyXEL Device.
Cancel
Click Cancel to begin configuring this screen afresh.
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