Version 1.0, 11/2016. Copyright 2012 Hitron Technologies
118
Version 1.0, 11/2016. Copyright 2016 Hitron Technologies
118
Hitron CODA-4x8x User’s Guide
7
Security
This chapter describes the screens that display when you click Security in the
toolbar. It contains the following sections:
Security Overview on page 118
The Security: Firewall Screen on page 119
The Security: Port Blocking Screen on page 121
The Security: Device Filter Screen on page 127
The Security: Keyword Filter Screen on page 131
7.1 Security Overview
This section describes some of the concepts related to the Security screens.
7.1.1 Firewall
The term “firewall” comes from a construction technique designed to prevent the
spread of fire from one room to another. Similarly, your CODA-4x8x’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.
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