ZyXEL Communications ZyWALL USG-Series - Set up a Firewall Rule

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4.6.2 Set Up a Firewall Rule
Create a firewall rule to allow the public to send HTTP traffic to IP address 1.1.1.1 in order to access
the HTTP server. If a domain name is registered for IP address 1.1.1.1, users can just go to the
domain name to access the web server.
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 USG applies NAT to traffic before applying the firewall rule. Set the Access
field to allow and the Service to HTTP, and click OK.
4.6.3 What Can Go Wrong