The Dmz Screen - ZyXEL Communications VMG3312-T20A User Manual

The following table describes the labels in this screen.
Table 61 Port Triggering: Configuration Add/Edit
LABEL
Active
Service Name
WAN Interface
Trigger Start Port
Trigger End Port
Trigger Protocol
Open Start Port
Open End Port
Open Protocol
OK
Cancel

11.5 The DMZ Screen

In addition to the servers for specified services, NAT supports a default server IP address. A default server
receives packets from ports that are not specified in the NAT Port Forwarding Setup screen.
Figure 87 Network Setting > NAT > DMZ
The following table describes the fields in this screen.
Table 62 Network Setting > NAT > DMZ
LABEL
Default Server
Address
Apply
Cancel
Chapter 11 Network Address Translation (NAT)
DESCRIPTION
Select Enable or Disable to activate or deactivate the rule.
Enter a name to identify this rule using keyboard characters (A-Z, a-z, 1-2 and so on).
Select a WAN interface for which you want to configure port triggering rules.
The trigger port is a port (or a range of ports) that causes (or triggers) the VMG to record the IP
address of the LAN computer that sent the traffic to a server on the WAN.
Type a port number or the starting port number in a range of port numbers.
Type a port number or the ending port number in a range of port numbers.
Select the transport layer protocol from TCP or UDP.
The open port is a port (or a range of ports) that a server on the WAN uses when it sends out a
particular service. The VMG forwards the traffic with this port (or range of ports) to the client
computer on the LAN that requested the service.
Type a port number or the starting port number in a range of port numbers.
Type a port number or the ending port number in a range of port numbers.
Select the transport layer protocol from TCP or UDP.
Click OK to save your changes.
Click Cancel to exit this screen without saving.
DESCRIPTION
Enter the IP address of the default server which receives packets from ports that are not
specified in the NAT Port Forwarding screen.
Note: If you do not assign a Default Server Address, the VMG discards all packets
received for ports that are not specified in the NAT Port Forwarding screen.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
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