Hitron CGNV4 - Security; Security Overview

Version 1.1, 02/2014. Copyright 2012 Hitron Technologies
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Version 1.1, 02/2014. Copyright 2014 Hitron Technologies
87
Hitron CGNV4 User’s Guide
6
Security
This chapter describes the screens that display when you click Security in the
toolbar. It contains the following sections:
 Security Overview on page 87
 The Firewall Screen on page 88
 The Service Filter Screen on page 91
 The Device Filter Screen on page 96
 The Keyword Filter Screen on page 100
 The Logs Screen on page 103
6.1 Security Overview
This section describes some of the concepts related to the Security screens.
6.1.1 Firewall
The term “firewall” comes from a construction technique designed to prevent the
spread of fire from one room to another. Similarly, your CGNV4’s firewall prevents
intrusion attempts and other undesirable activity originating from the WAN, keeping
the computers on your LAN safe. You can also use filtering techniques to specify the
computers and other devices you want to allow on the LAN, and prevent certain traffic
from going from the LAN to the WAN.