ZyXEL Communications Prestige 645R-A Series, Руководство пользователя, Страница: 157 / 251

Prestige 645R-A Series User’s Guide
Filter Configuration 17-7
Table 17-1 Abbreviations Used in the Filter Rules Summary Menu
FIELD DESCRIPTION
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 for
instance, 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.
The protocol dependent filter rules abbreviation are listed as follows:
Table 17-2 Rule Abbreviations Used
FILTER TYPE DESCRIPTION
IP
Pr Protocol
SA Source Address
SP Source Port Number
DA Destination Address
DP Destination Port Number
GEN
Off Offset
Len Length
17.3 Configuring a Filter Rule
To configure a filter rule, type its number in Menu 21.x – Filter Rules Summary and press [ENTER] to
open menu 21.x.1 for the rule.