Ericsson HM210DP/DI User Manual page 38

Basic Configuration
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2. Click the Add button to display the EOA Interface – Add page:
3. Enter the provided fields as below:
Field
EOA Interface:
Interface Sec Type:
Description
Select an EoA interface from the available
interfaces, e.g. eoa-0.
Public / Private / DMZ.
This setting defines the type of firewall
protections that are in effect on the interface as
described below:
A public interface connects to the Internet (PPP
interfaces are typically public). Packets received
on a public interface are subject to the most
restrictive set of firewall protections defined in the
software.
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
EN/LZT 108 6492 R2 - October 2003