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The type of IP Firewall protections that are in effect on 
the interface (public, private, or DMZ): 
o  A public interface connects to the Internet (IPoA 

interfaces are typically public). Packets received 
on a public interface are subject to the most 
restrictive set of firewall protections defined in the 
software. 

o  A private interface connects to your LAN, such 

as the Ethernet interface. Packets received on a 
private interface are subject to a less restrictive 
set of protections, because they originate within 
the network. 

The term DMZ (de-militarized zone), in Internet 
networking terms, refers to computers that are 
available for both public and in-network accesses 
(such as a company's public Web server). Packets 
incoming on a DMZ interface—whether from a LAN 
or external source—are subject to a level of 
protection that is in between those for public and 
private interfaces. 

The IP address and network mask you want to assign 
to the interface. 

A green or red ball will display to indicate that the 
interface is currently enabled or disabled, 
respectively. You cannot manually enable or disable 
the interface; a disabled interface may indicate a 
problem with the DSL connection. 

Icons you can click on to edit (

) or delete (

) the 

associated EOA interface. 

 

Follow these instructions to add an IPoA interface: 

1.  Display the IPoA page and click 

. 

The IPoA Interface – Add page displays, as shown in Figure 46.