Filters; Chapter 11 Filters; Overview; What You Can Do In The Filter Screens - ZyXEL Communications P-660HN-T1H User Manual

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H A P T E R

11.1 Overview

This chapter introduces three types of filters supported by the ZyXEL Device. You
can configure rules to restrict traffic by IP addresses, MAC addresses, application
types and/or URLs.

11.1.1 What You Can Do in the Filter Screens

• Use the URL Filter screen
sites.
• Use the Application Filter screen
traffic from certain types of applications.
• Use the IP/MAC Filter screen
filter rules.

11.1.2 What You Need to Know About Filtering

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".
IP/MAC Filter Structure
An IP/MAC filter set consists of one or more filter rules. The ZyXEL Device 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.
P-660HN-T1H User's Guide
(Section 11.2 on page 154) to block access to web
(Section 11.3 on page
(Section 11.4 on page
11

Filters

155) to allow or deny
156) to create IP/MAC
153