ZyXEL Communications Prestige 100IH, Руководство пользователя

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P100IH ISDN Router
9-2 Filter Configuration
Start
P a c k e t
into Filter
A c c e p t P a c k e t D r o p P a c k e t
F e t c h N e x t
Filter Set
Next Filter Set
A v a i l a b l e ?
Y e s
Filter Set
Fetch First
Filter Rule
Execute Filter
R u l e
Next Filter Rule
A v a i l a b l e ?
F e t c h N e x t
Filter Rule
N o
Fetch First
Filter Set
Y e s
C h e c k N e x t R u l e
D r o p
N o
F o r w a r d
Figure 9-1 Filter Rule Process
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.