Version 1.1, 09/2020. Copyright 2012 Hitron Technologies
103
Version 1.1, 09/2020. Copyright 2020 Hitron Technologies
103
Hitron CODA-551x 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 103
The Security: Firewall Screen on page 104
The Security: IPv6 Inbound Firewall on page 106
The Security: Device Filter Screen on page 113
The Security: Keyword Filter Screen on page 117
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-551x’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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