Chapter 11 Network Address Translation (NAT)
EMG6726/8726-B10A User’s Guide
161
Figure 98
Port Triggering: Add/Edit
The following table describes the labels in this screen.
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.
Table 56 Port Triggering: Configuration Add/Edit
LABEL
DESCRIPTION
Active
Select to enable or disable this rule.
Service Name
Enter a name to identify this rule using keyboard characters (A-Z, a-z, 1-2 and so on).
WAN Interface
Select a WAN interface for which you want to configure port triggering rules.
Trigger Start Port The trigger port is a port (or a range of ports) that causes (or triggers) the EMG 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.
Trigger End Port
Type a port number or the ending port number in a range of port numbers.
Trigger Protocol
Select the transport layer protocol from
TCP
, or
UDP
.
Open Start Port
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 EMG 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.
Open End Port
Type a port number or the ending port number in a range of port numbers.
Open Protocol
Select the transport layer protocol from
TCP
, or
UDP
.
OK
Click
OK
to save your changes.
Cancel
Click
Cancel
to exit this screen without saving.
