Chapter 8 Network Address Translation (NAT)
P-660HN-51 User’s Guide
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8.4.1 Add/Edit Port Triggering Rule
This screen lets you create new port triggering rules. Click Add new rule in the Port Triggering screen or
click a rule’s Edit icon to open the following screen.
Figure 49 Port Triggering: Add/Edit
The following table describes the labels in this screen.
Open 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 Zyxel Device forwards the traffic with this port (or
range of ports) to the client computer on the LAN that requested the service.
Start This is the first port number that identifies a service.
End This is the last port number that identifies a service.
Open Proto. This is the open transport layer protocol.
Modify Click the Edit icon to edit this rule.
Click the Delete icon to delete an existing rule.
Table 31 Network Settings > NAT > Port Triggering (continued)
LABEL DESCRIPTION
Table 32 Port Triggering: Configuration Add/Edit
LABEL DESCRIPTION
Active Select the check box to enable this rule.
This field is read-only in the Port Triggering Configuration screen.
Service Name Enter a name to identify this rule using keyboard characters (A-Z, a-z, 1-2 and so on).
This field is read-only in the Port Triggering Edit screen.
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 Zyxel Device
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, UDP, or TCP/UDP.