How To Allow Public Access To A Web Server - ZyXEL Communications ZYWALL USG 20 Manual

Chapter 7 Tutorials
Click Configuration > Firewall > Add.
1
In the From field select WAN.
In the To field select LAN1.
Configure a name for the rule (WAN-to-LAN_H323 here).
Set the Destination to the H.323 device's LAN1 IP address object (LAN_H323).
LAN_H323 is the destination because the ZyWALL applies NAT to traffic before
applying the firewall rule.
Set the Service to H.323.
Click OK.
Figure 90 Configuration > Firewall > Add

7.10 How to Allow Public Access to a Web Server

This is an example of making an HTTP (web) server in the DMZ zone accessible
from the Internet (the WAN zone). In this example you have public IP address
1.1.1.1 that you will use on the wan1 interface and map to the HTTP server's
private IP address of 192.168.3.7.
Figure 91 Public Server Example Network Topology
192.168.3.7
136
DMZ
1.1.1.1
ZyWALL USG 20/20W User's Guide