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1.4 NAT Rule
1.4.1 Overview
When you choose Network Setting > Network Setting > Interface Settings and add a WAN interface,
you can configure NAT-related rules, including NAT Rule, Virtual Server, and DMZ Host.
ி NAT Rule
When you configure Internet Settings correctly, this AC can access the internet. But if no NAT rule exists,
local computers connected to the AC cannot access the internet through this AC.
This AC can generate NAT rules automatically. When you add a WAN interface and configure Internet
Settings correctly, the AC can automatically add a NAT rule to translate all source IP addresses of the
default VLAN interface and to allow all computers connected to the AC to access the internet through this
AC.
Besides, when you add new VLAN interfaces, the AC automatically generates new NAT rules.
ி Virtual Server
By default, internet users cannot access any service on any of your local hosts. If you want to enable
internet users to access a particular service on a local host, enable this function and specify the IP
address and service port of the local host.
ி DMZ Host
If you set a local host as a DMZ host, internet users and this host can communicate with each other freely.
For example, if you are participating a video conference or an online game, you can set your computer
as the DMZ host for better video conferencing or online gaming experience.
Note: If you set a local computer as a DMZ host, the computer is not protected by the firewall of the
router and may be easily attacked by internet users. Therefore, enable the DMZ host function only when
necessary.
1.4.2 Configuring NAT-related Rules
Configuring NAT Rule
When you add a WAN interface and configure Internet Settings correctly, the AC can automatically add a
NAT rule to translate all source IP addresses of the default VLAN interface and to allow all computers
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