Filters; Chapter 15 Filters; Overview; What You Can Do In The Filter Screens - ZyXEL Communications P-660RU-T1 v3 User Manual

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H A P T E R

15.1 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.

15.1.1 What You Can Do in the Filter Screens

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

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 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.
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 v3 User's Guide
(Section 15.2 on page
(Section 15.3 on page
(Section 15.4 on page 121) to block access to web sites.
15

Filters

118) to create IP/MAC filter rules.
120) to allow or deny traffic
117