ZyXEL Communications 91-009-073003B 7.11 How to Use an IPPBX on the DMZ

Chapter 7 Tutorials

1Click 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 104 Configuration > Firewall > Add

7.11 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

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	ZyWALL USG 50 User’s Guide