Execute filter rule, Filter set – ZyXEL Communications Prestige 650 User Manual

Page 117

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Prestige 650 ADSL Router

Filter Configuration

8-3

Start

Fetch First

Filter Set

Fetch First

Filter Rule

Active?

Execute

Filter Rule

Fetch Next

Filter Rule

Next filter

Rule

Available?

Fetch Next

Filter Set

Next Filter Set

Available?

Accept Packet

Drop Packet

Yes

No

Yes

No

Yes

Packet

intoFilter

Filter Set

Forward

Drop

No

Check

Next
Rule

Figure 8-2 Filter Rule Process

You can apply up to four filter sets to a particular port to block various types of packets. Because each filter
set can have up to six rules, you can have a maximum of 24 rules active for a single port.

Yes

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