Figure 187 Port Triggering; Table 131 Port Triggering - ZyXEL Communications 35 Series User Manual

ZyWALL 5/35/70 Series User's Guide
4 The ZyWALL forwards the traffic to Jane's computer IP address.
5 Only Jane can connect to the Real Audio server until the connection is closed or times
out. The ZyWALL times out in three minutes with UDP (User Datagram Protocol) or two
hours with TCP/IP (Transfer Control Protocol/Internet Protocol).
To change your ZyWALL's trigger port settings, click ADVANCED, NAT and the Port
Triggering tab. The screen appears as shown. Not all fields are available on all models.

Figure 187 Port Triggering

The following table describes the labels in this screen.

Table 131 Port Triggering

LABEL
WAN
Interface
#
Name
Incoming
Start Port
End Port
389
DESCRIPTION
Select the WAN port for which you want to view or configure address mapping rules.
This is the rule index number (read-only).
Type a unique name (up to 15 characters) for identification purposes. All characters are
permitted - including spaces.
Incoming is a port (or a range of ports) that a server on the WAN uses when it sends out
a particular service. The ZyWALL 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.
Type a port number or the ending port number in a range of port numbers.
Chapter 22 Network Address Translation (NAT)