Chapter 44 Network Address Translation (NAT)
ZyWALL 5/35/70 Series User’s Guide
691
" Only one LAN computer can use a trigger port (range) at a time.
Enter 3 in menu 15 to display Menu 15.3 - Trigger Ports. For a ZyWALL with multiple
WAN interfaces, enter 1 or 2 from menu 15.3 to go to Menu 15.3.1 or Menu 15.3.2 - Trigger
Port Setup and configure trigger port rules for the first or second WAN interface.
Figure 433 Menu 15.3.1: Trigger Port Setup
The following table describes the fields in this menu.
Menu 15.3.1 - Trigger Port Setup
Incoming Trigger
Rule Name Start Port End Port Start Port End Port
--------------------------------------------------------------
1. Real Audio 6970 7170 7070 7070
2. 0 0 0 0
3. 0 0 0 0
4. 0 0 0 0
5. 0 0 0 0
6. 0 0 0 0
7. 0 0 0 0
8. 0 0 0 0
9. 0 0 0 0
10. 0 0 0 0
11. 0 0 0 0
12. 0 0 0 0
Press ENTER to Confirm or ESC to Cancel:
HTTP:80 FTP:21 Telnet:23 SMTP:25 POP3:110 PPTP:1723
Table 245 Menu 15.3.1: Trigger Port Setup
FIELD DESCRIPTION
Rule This is the rule index number.
Name Enter a unique name for identification purposes. You may enter up to 15 characters in
this field. All characters are permitted - including spaces.
Incoming 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.
Start Port Enter a port number or the starting port number in a range of port numbers.
End Port Enter a port number or the ending port number in a range of port numbers.
Trigger The trigger port is a port (or a range of ports) that causes (or triggers) the ZyWALL to
record the IP address of the LAN computer that sent the traffic to a server on the WAN.
Start Port Enter a port number or the starting port number in a range of port numbers.
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