ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 425)

ZyWALL 2 Series User’s Guide
NAT 28-11
28.4.2 Example 2: Internet Access with an Inside Server
Figure 28-12 NAT Example 2
In this case, you do exactly as above (use the convenient pre-configured SUA Only set) and also go to menu
15.2 to specify the Inside Server behind the NAT as shown in the next figure.
Figure 28-13 Menu 15.2: Specifying an Inside Server
28.4.3 Example 3: Multiple Public IP Addresses With Inside Servers
In this example, there are 3 IGAs from our ISP. There are many departments but two have their own FTP
server. All departments share the same router. The example will reserve one IGA for each department with
an FTP server and all departments use the other IGA. Map the FTP servers to the first two IGAs and the
Menu 15.2 - NAT Server Setup
Rule Start Port No. End Port No. IP Address
---------------------------------------------------
1. Default Default 192.168.1.10
2. 0 0 0.0.0.0
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: