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8.1
About Filtering
Your Prestige uses filters to decide whether or not to allow passage of a packet. Data filters are divided into
incoming and outgoing filters, depending on the direction of the packet relative to a port. These filters are
further subdivided into device and protocol filters, which are discussed later.
The following sections describe how to configure filter sets.
The Filter Structure of the Prestige
A filter set consists of one or more filter rules. Usually, you would group related rules, e.g., all the rules for
NetBIOS, into a single set and give it a descriptive name. The Prestige 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. You cannot mix device filter
rules and protocol filter rules within the same set.
You can apply up to four filter sets to a particular port to block multiple types of packets. With each filter
set having up to six rules, you can have a maximum of 24 rules active for a single port.
8.2
Configuring a Filter Set
To configure a filter sets, follow this procedure:
Step 1.
Enter 21 from the Main Menu to open Menu 21 - Filter Set Configuration.
Filter Configuration
Prestige 641 ADSL Internet Access Router
Filter Configuration
Chapter 8
This chapter shows you how to
create and apply filter(s).
8-1
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Table of Contents
Troubleshooting
