ZyXEL Communications P-2812HNU-51c, User Manual

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Chapter 8 Network Address Translation (NAT)
P-2812HNU-51c User’s Guide
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The following table describes the labels in this screen.
Table 45 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
P-2812HNU-51c 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.
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 P-2812HNU-51c 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, UDP, or TCP/UDP.
Back Click Back to return to the previous screen.
Apply Click Apply to save your changes to the P-2812HNU-51c.
Cancel Click Cancel to begin configuring this screen afresh.