ZyXEL Communications ZyXEL ZyWALL 5 - Manual (Page 468)

ZyWALL 5 User’s Guide
Chapter 35 Filter Configuration 467
Figure 280 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.