ZyXEL Communications P-2302R-P1C User Manual
Page 19
P2302R-P1C Support Notes
All contents Copyright
2007 ZyXEL Communications Corporation.
19
Filter Types and SUA
Conceptually, there are two categories of filter rules:
device
and
protocol
. The Generic filter rules belong to the
device category; they act on the raw data from/to LAN and WAN. The IP and IPX filter rules belong to the
protocol category; they act on the IP and IPX packets.