4 configuring a server behind nat – ZyXEL Communications Parental Control Gateway HS100/HS100W User Manual
Page 253

HomeSafe User’s Guide
25-6
NAT
Table 25-4 Menu 15.1.1.1 Editing/Configuring an Individual Rule in a Set
FIELD DESCRIPTION EXAMPLE
Server.
Start This is the starting local IP address (ILA).
0.0.0.0
End This is the ending local IP address (ILA). If the rule is for all local IPs,
then put the Start IP as 0.0.0.0 and the End IP as 255.255.255.255. This
field is N/A for One-to-One and Server types.
N/A
Global IP
Start This is the starting inside global IP address (IGA). If you have a dynamic
IP, enter 0.0.0.0 as the Global IP Start. Note that Global IP Start can be
set to 0.0.0.0 only if the types are Many-to-One or Server.
0.0.0.0
End This is the ending inside global IP address (IGA). This field is N/A for
One-to-One, Many-to-One and Server types.
N/A
When you have completed this menu, press [ENTER] at the prompt “Press ENTER to confirm or ESC to
cancel” to save your configuration or press [ESC] to cancel and go back to the previous screen.
25.4 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 display Menu 15.2 - NAT Server Setup as shown next.
Figure 25-8 Menu 15.2.1 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.
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.
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: