Chapter 36 Network Address Translation (NAT)

Figure 349 15.2.1: NAT Server Configuration

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:

The following table describes the fields in this screen.

Table 200 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

End Port

the End Port field.

 

 

 

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.

4Enter 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.

5Enter 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.

6Press [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.

 

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ZyWALL 2 Plus User’s Guide