The Dmz Screen - ZyXEL Communications eircom D1000 User Manual

Table 44 Network Setting > NAT > Port Forwarding: Edit (continued)
LABEL
External Start
Port
External End Port
Server IP
Address
Protocol
Open Start Port
Open End Port
Apply
Cancel

9.4 The DMZ Screen

If you need to allow packets from a specific WAN connection to your local network, NAT supports a
default server IP address. A default server receives packets from the specified WAN connection and
the ports that are not specified in the NAT Port Forwarding Setup screen.
Figure 88 Network Setting > NAT > DMZ
eircom D1000 modem User's Guide
DESCRIPTION
Enter a port number in this field.
To forward only one port, enter the port number again in the End Port field.
To forward a series of ports, enter the start port number here and the end port number in
the End Port field.
Enter a port number in this field.
To forward only one port, enter the port number in the 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 Start Port field above.
Enter the IP address of the server in your local network.
Select the protocol of the service, TCP, UDP or ALL (TCP+UDP).
Enter the first port number here to which you want the device to translate the incoming
port. For a range of ports, you only need to enter the first number of the range to which
you want the incoming ports translated, the device automatically calculates the last port of
the translated port range.
Enter the last port number here to which you want the device to translate the incoming
port. For a range of ports, you only need to enter the first number of the range to which
you want the incoming ports translated, the device automatically calculates the last port of
the translated port range.
Click this to save your changes.
Click this to restore your previously saved settings.
Chapter 9 Network Address Translation (NAT)
129