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Chapter 35 Network Address Translation (NAT)
ZyWALL 2 Plus User’s Guide
507
Figure 331 15.2.1: NAT Server Configuration
The following table describes the fields in this screen.
4 Enter a port number in the Start Port field. To forward only one port, enter it again in
the End Port field. To specify a range of ports, enter the last port to be forwarded in the
End Port field.
5 Enter the inside IP address of the server in the IP Address field. In the following figure,
you have a computer acting as an FTP, Telnet and SMTP server (ports 21, 23 and 25) at
192.168.1.33.
6 Press [ENTER] at the “Press ENTER to confirm …” prompt to save your configuration
after you define all the servers or press [ESC] at any time to cancel.
15.2.1 - NAT Server Configuration
Index= 1
------------------------------------------------
Name= test
Active= Yes
Start port= 21 End port= 25
IP Address= 192.168.1.33
Press ENTER to Confirm or ESC to Cancel:
Table 199 15.2.1: NAT Server Configuration
FIELD DESCRIPTION
Index This is the index number of an individual port forwarding server entry.
Name Enter a name to identify this port-forwarding rule.
Active Press [SPACE BAR] and then [ENTER] to select Yes to enable the NAT server entry.
Start Port Enter a port number in the Start Port field. To forward only one port, enter it again in
the End Port field. To specify a range of ports, enter the last port to be forwarded in
the End Port field.
End Port
IP Address Enter the inside IP address of the server.
When you have completed this menu, press [ENTER] at the prompt “Press ENTER to Confirm…” to
save your configuration, or press [ESC] at any time to cancel.