ZyWALL 50 Internet Security Gateway
Filter Configuration 15-3
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 PacketDrop Packet
Yes
No
Yes
No
Yes
Packet into
filter
Filter Set
Forward
Drop
No
Check
Next
Rule
Figure 15-2 Filter Rule Process