ZyXEL MAX-306 User Guide - Page 203
The Firewall Screens, 16.1 Overview, 16.1.1 What You Can Do in This What You Need
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CHAPTER 16 The Firewall Screens 16.1 Overview Use the TOOLS > Firewall screens to manage WiMAX Device's firewall security measures. Originally, the term firewall referred to a construction technique designed to prevent the spread of fire from one room to another. The networking term "firewall" is a system or group of systems that enforces an access-control policy between two networks. It may also be defined as a mechanism used to protect a trusted network from an untrusted network. Of course, firewalls cannot solve every security problem. A firewall is one of the mechanisms used to establish a network security perimeter in support of a network security policy. It should never be the only mechanism or method employed. For a firewall to guard effectively, you must design and deploy it appropriately. This requires integrating the firewall into a broad informationsecurity policy. In addition, specific policies must be implemented within the firewall itself. 16.1.1 What You Can Do in This Chapter • The Firewall Setting screen (Section 16.2 on page 204) lets you configure the basic settings for your firewall. • The Service Setting screen (Section 16.3 on page 207) lets you enable service blocking, set up the date and time service blocking is effective, and to maintain the list of services you want to block. 16.1.2 What You Need to Know The following terms and concepts may help as you read through this chapter. About the WiMAX Device Firewall The WiMAX Device firewall is a stateful inspection firewall and is designed to protect against Denial of Service attacks when activated. The WiMAX Device's purpose is to allow a private Local Area Network (LAN) to be securely connected to User's Guide 203