ZyXEL Communications ZyWALL USG 100 Series - How to Use an IPPBX on the DMZ

Chapter 7 Tutorials
ZyWALL USG 100/200 Series User’s Guide
170
1 Click Configuration > Firewall > Add. Set the From field as WAN and the To
field as DMZ. Set the Destination to the HTTP server’s DMZ IP address object
(DMZ_HTTP). DMZ_HTTP is the destination because the ZyWALL applies NAT to
traffic before applying the firewall rule. Set the Access field to allow and the
Service to HTTP, and click OK.
Figure 134 Configuration > Firewall > Add
7.13 How to Use an IPPBX on the DMZ
This is an example of making an IPPBX x6004 using SIP in the DMZ zone
accessible from the Internet (the WAN zone). In this example you have public IP