ZyXEL 793H 사용자 가이드
Chapter 30 Filter Configuration
P-793H User’s Guide
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The following table describes the labels in this screen.
The following tables contain a brief description of the abbreviations used in the previous
menus. The protocol dependent filter rules abbreviation are listed as follows:
menus. The protocol dependent filter rules abbreviation are listed as follows:
Refer to the next section for information on configuring the filter rules.
30.2.1 Configuring a Filter Rule
To configure a filter rule, type its number in Menu 21.1.1 - Filter Rules Summary and press
[ENTER] to open menu 21.1.1.1 for the rule.
To speed up filtering, all rules in a filter set must be of the same class, that is, protocol filters
or generic filters. The class of a filter set is determined by the first rule that you create. When
applying the filter sets to a port, separate menu fields are provided for protocol and device
filter sets. If you include a protocol filter set in a device filter field or vice versa, the ZyXEL
Device will warn you and will not allow you to save.
[ENTER] to open menu 21.1.1.1 for the rule.
To speed up filtering, all rules in a filter set must be of the same class, that is, protocol filters
or generic filters. The class of a filter set is determined by the first rule that you create. When
applying the filter sets to a port, separate menu fields are provided for protocol and device
filter sets. If you include a protocol filter set in a device filter field or vice versa, the ZyXEL
Device will warn you and will not allow you to save.
Table 114 Abbreviations Used in the Filter Rules Summary Menu
FIELD
DESCRIPTION
#
This is an index number.
A
Active: “Y” means the rule is active. “N” means the rule is inactive.
Type
The type of filter rule: “GEN” for Generic, “IP” for TCP/IP.
Filter Rules
These parameters are displayed here.
M
More.
“Y” means there are more rules to check which form a rule chain with the present rule.
An action cannot be taken until the rule chain is complete.
“N” means there are no more rules to check. You can specify an action to be taken, in
“N” means there are no more rules to check. You can specify an action to be taken, in
other words forward the packet, drop the packet or check the next rule. For the latter,
the next rule is independent of the rule just checked.
m
Action Matched.
“F” means to forward the packet immediately and skip checking the remaining rules.
“D” means to drop the packet.
“N“ means to check the next rule.
n
Action Not Matched.
“F” means to forward the packet immediately and skip checking the remaining rules.
“D” means to drop the packet.
“N” means to check the next rule.
Table 115 Rule Abbreviations Used
ABBREVIATION
DESCRIPTION
IP
Pr
Protocol
SA
Source Address
SP
Source Port number
DA
Destination Address
DP
Destination Port number
GEN
Off
Offset
Len
Length