ZyXEL SBG3300-NB00 User Guide - Page 230

Chapter 11 Network Address Translation (NAT) Table 57 Network Setting > NAT > Port Triggering (continued) LABEL Open Start Port DESCRIPTION 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. Open End Port Open Proto. Modify This is the first port number that identifies a service. This is the last port number that identifies a service. This is the open transport layer protocol. Click the Edit icon to edit this rule. Click the Delete icon to delete an existing rule. 11.4.1 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 80 Port Triggering: Add/Edit The following table describes the labels in this screen. Table 58 Port Triggering: Configuration Add/Edit LABEL Active Service Name WAN Interface Trigger Start Port DESCRIPTION Select the check box to enable this 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 Device to record the IP address of the LAN computer that sent the traffic to a server on the WAN. Trigger End Port Trigger Protocol 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, UDP, or TCP/UDP. 230 SBG3300-N Series User's Guide