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P-660H-T1v3s User’s Guide
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CHAPTER 10
Filters
10.1 Overview
This chapter introduces three types of filters supported by the P-660H-T1v3s. You
can configure rules to restrict traffic by IP addresses, MAC addresses, application
types and/or URLs.
10.1.1 What You Can Do in the Filter Screens
•Use the URL Filter screen (Section 10.2 on page 126) to block access to web
sites.
•Use the Application Filter screen (Section 10.3 on page 127) to allow or deny
traffic from certain types of applications.
•Use the IP/MAC Filter screen (Section 10.4 on page 128) to create IP/MAC
filter rules.
10.1.2 What You Need to Know
The following terms and concepts may help as you read this chapter.
IP/MAC Filter Structure
An IP/MAC filter set consists of one or more filter rules. The P-660H-T1v3s 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”.