Configuring A Filter Rule; Filter Types And Nat; Table 10-2 Abbreviations Used If Filter Type Is Ip; Table 10-3 Abbreviations Used If Filter Type Is Dev - ZyXEL Communications Prestige 1600 Configuration Manual

Abbreviations
n
The protocol dependent filter rules abbreviation are listed as follows:
If the filter type is IP, the following abbreviations listed in the following table will be used.

Table 10-2 Abbreviations Used If Filter Type Is IP

If the filter type is Dev (device), the following abbreviations listed in the following table will be used.

Table 10-3 Abbreviations Used If Filter Type Is Dev

Refer to the next section for information on configuring the filter rules.
10.4

Configuring a Filter Rule

To configure a filter rule, enter its number in Menu 21.1 - Filter Rules Summary and press [ENTER] to open
Menu 21.1.1 for the rule.
10.5

Filter Types and NAT

There are two classes of filter rules, Generic Filter (Device) rules and Protocol Filter (TCP/IP) rules. Generic
Filter rules act on the raw data from/to LAN and WAN. Protocol Filter rules act on the IP packets. Generic and
TCP/IP filter rules are discussed in more detail in the next section. When NAT (Network Address Translation) is
Filter Configuration
Description
[F] means to forward the packet
immediately and skip checking the
remaining rules if any.
Refers to Action Not Matched
[F] means to forward the packet
immediately and skip checking the
remaining rules if any.
Abbreviation Description
Pr Protocol
SA Source Address
SP Source Port number
DA Destination Address
DP Destination Port number
Abbreviation
Off Offset
Len Length
Prestige 1600 Universal Access Concentrator
Display
packet.
[D] means to drop the
packet.
[N] means check the next
rule.
[F] means to forward the
packet.
[D] means to drop the
packet.
[N] means check the next
rule.
Description
10-5