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WiMAX Device Configuration User’s Guide 125
CHAPTER 8
Security
8.1 Overview
This chapter shows you how to configure the WiMAX Device’s network settings.
8.1.1 What You Need to Know
The following terms and concepts may help as you read through this chapter.
About the WiMAX Device’s Security Features
The WiMAX Device security features are designed to protect against Denial of Service attacks when
activated as well as block access to and from specific URLs and MAC addresses. Its purpose is to
allow a private Local Area Network (LAN) to be securely connected to the Internet. The WiMAX
Device can be used to prevent theft, destruction and modification of data.
The WiMAX Device is installed between the LAN and a WiMAX base station connecting to the
Internet. This allows it to act as a secure gateway for all data passing between the Internet and the
LAN.
The WiMAX Device has one Ethernet (LAN) port. The LAN (Local Area Network) port attaches to a
network of computers, which needs security from the outside world. These computers will have
access to Internet services such as e-mail, FTP and the World Wide Web. However, “inbound
access” is not allowed (by default) unless the remote host is authorized to use a specific service.
8.2 IP Filter
Use this screen to block incoming connections from specific IP addresses.
Click Security > Firewall > IP Filter to open this screen as shown next.
Figure 68 IP Filter Screen