ZyXEL Communications Prestige 480 User Manual page 152

Prestige 480 Dual BRI ISDN Router
Once you have completed filling in Menu 21.1.1 - TCP/IP Filter Rule, press [Enter] at the message [Press
Enter to Confirm] to save your configuration, or press [Esc] to cancel. This data will now be displayed on
Menu 21.1 - Filter Rules Summary.
The following diagram illustrates the logic flow of an IP filter.
9-10
Drop
Filter Configuration