ZyXEL P-660RU-T1 v3s User Guide - Page 119
Filters, 15.1 Overview, 15.1.1 What You Can Do in the Filter Screens, 15.1.2 What You Need to Know
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CHAPTER 15 Filters 15.1 Overview This chapter introduces three types of filters supported by the P-660RU-Tx. You can configure rules to restrict traffic by IP addresses, MAC addresses, application types and/or URLs. 15.1.1 What You Can Do in the Filter Screens • Use the IP/MAC Filter screen (Section 15.2 on page 120) to create IP/MAC filter rules. • Use the Application Filter screen (Section 15.3 on page 122) to allow or deny traffic from certain types of applications. • Use the URL Filter screen (Section 15.4 on page 123) to block access to web sites. 15.1.2 What You Need to Know About Filtering IP/MAC Filter Structure An IP/MAC filter set consists of one or more filter rules. The P-660RU-Tx allows you to configure up to twelve filter sets with six rules in each set, for a total of 72 filter rules in the system. URL The URL (Uniform Resource Locator) identifies and helps locates resources on a network. On the Internet the URL is the web address that you type in the address bar of your Internet browser, for example "http://www.zyxel.com". P-660RU-Tx User's Guide 119