Schneider Electric Processor Adapter manual Security

	Using the Ethernet Port
Security
Overview
	To restrict access to your Ethernet controller and I/O network, you may want to
	consider a firewall. A firewall is a gateway that controls access to your network.
Types of
	There are two types of firewalls:
Firewalls	λ Network-level firewalls
	λ Application-level firewalls
Network-Level
	Network-level firewalls are frequently installed between the Internet and a single
Firewalls	point of entry to an internal, protected network.
Application-
	An application-level firewall acts on behalf of an application. It intercepts all traffic
Level Firewalls	destined for that application and decides whether to forward that traffic to the
	application. Application-level firewalls reside on individual host computers.

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