ZyXEL Communications P-870HN-5xb - Page 155

Chapter 8 Network Address Translation (NAT)
P-870HN-5xb User’s Guide
155
The following table describes the labels in this screen.
Table 43 NAT > Port Triggering > Add
LABEL DESCRIPTION
Active Clear the check box to disable the rule. Select the check box to enable it.
This field is not editable if you are configuring a User Define rule.
Service
Name
Enter a name to identify this rule. This field is read-only if you click the Edit
icon in the Trigger Port 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
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 IP protocol from TCP, UDP, or TCP/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 Device 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 IP protocol from TCP, UDP, or TCP/UDP.
Back Click Back to return to the previous screen.
Apply Click Apply to save your changes to the Device.
Cancel Click Cancel to begin configuring this screen afresh.