Version 1.1, 08/2013. Copyright 2012 Hitron Technologies
89
Version 1.1, 08/2013. Copyright 2013 Hitron Technologies
89
Hitron CGN3 User’s Guide
7.1.2 Intrusion detection system
An intrusion detection system monitors network activity, looking for policy violations,
and malicious or suspicious activity. The CGN3’s intrusion detection system logs all
such activity to the Security > Logs screen.
7.1.3 Device Filtering
Every networking device has a unique Media Access Control (MAC) address that
uniquely identifies it on the network. When you enable MAC address filtering on the
CGN3’s firewall, you can set up a list of devices, identified by their MAC addresses,
and then specify whether you want to:
Deny the devices on the list access to the CGN3 and the network (in which case
all other devices can access the network)
or
Allow the devices on the list to access the network (in which case no other
devices can access the network).
7.1.4 Service Filtering
Service filtering is a way of preventing users on the LAN from connecting with devices
on the WAN via specific services, protocols or applications. It achieves this by
permitting or denying traffic from the LAN to pass to the WAN, based on the target
port.
7.1.5 VPN
A virtual private network (VPN) extends a private network across a public network,
such as the Internet. It enables a computer to send and receive data across shared or
public networks as if it were directly connected to the private network, while
benefitting from the functionality, security and management policies of the private
network. This is done by establishing a virtual point-to-point connection through the
use of dedicated connections, encryption, or a combination of the two.
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