Prestige 334 User’s Guide
Chapter 25 Network Address Translation (NAT)
244
Figure 118
Menu 15.2.1 NAT Server Setup
3
Enter a port number in an unused
Start Port No
field. To forward only one port, enter it
again in the
End Port No
field. To specify a range of ports, enter the last port to be
forwarded in the
End Port No
field.
4
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.
5
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.
You assign the private network IP addresses. The NAT network appears as a single host on the
Internet. A is the FTP/Telnet/SMTP server.
Figure 119
Multiple Servers Behind NAT Example
25.5 General NAT Examples
The following are some examples of NAT configuration.
Menu 15.2 - NAT Server Setup
Rule Start Port No. End Port No. IP Address
---------------------------------------------------
1. Default Default 0.0.0.0
2. 21 25 192.168.1.33
3. 0 0 0.0.0.0
4. 0 0 0.0.0.0
5. 0 0 0.0.0.0
6. 0 0 0.0.0.0
7. 0 0 0.0.0.0
8. 0 0 0.0.0.0
9. 0 0 0.0.0.0
10. 0 0 0.0.0.0
11. 0 0 0.0.0.0
12. 0 0 0.0.0.0
Press ENTER to Confirm or ESC to Cancel: