Configuring A Server Behind Nat - ZyXEL Communications ZyWall 10 User Manual

Table 29-4 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set
FIELD
Once you have finished configuring a rule in this menu, press [ENTER] at the message "Press ENTER to
Confirm..." to save your configuration, or press [ESC] to cancel.

29.3 Configuring a Server behind NAT

Follow these steps to configure a server behind NAT:
Step 1.
Enter 15 in the main menu to go to Menu 15 - NAT Setup.
Step 2. Enter 2 to go to Menu 15.2 - NAT Server Setup.
Step 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.
Step 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.
Step 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.
NAT
ZyWALL 10~100 Series Internet Security Gateway
DESCRIPTION EXAMPLE
29-9