ZyXEL Communications Prestige 662HW Series, User Manual

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Prestige 662HW Series User’s Guide
Network Address Translation (NAT) 31-9
Figure 31-9 Menu 15.2.1 NAT Server Setup
4.
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.
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.
Figure 31-10 Multiple Servers Behind NAT Example
31.5 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 21 192.168.1.33
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: