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Execute filter rule, Filter set – ZyXEL Communications ZyXEL ZyAIR 100 User Manual

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ZyWALL 10~100 Series Internet Security Gateway

Filter Configuration

31-3

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 into

filter

Filter Set

Forward

Drop

No

Check

Next
Rule

Figure 31-2 Filter Rule Process