ZyXEL Communications P-1100 - Manual (Page 74)

Prestige 1100 Internet Access Router
8-2 Filter Configuration
Start
Packet
into Filter
Accept Packet Drop Packet
Fetch Next
Filter Set
Next Filter Set
Available?
Yes
Filter Set
Fetch First
Filter Rule
Execute Filter
Rule
Next Filter Rule
Available?
Fetch Next
Filter Rule
No
Fetch First
Filter Set
Yes
Check Next Rule
Drop
No
Forward
Figure 8-1 Filter Rule Process