ZyXEL Communications Broadband Security Gateway P-312, Руководство пользователя, Страница: 108 / 254

P312 Broadband Security Gateway
Filters 7-13
The following table describes the fields in the Generic Filter Rule Menu.
Table 7-5 Generic Filter Rule Menu Fields
Field Description Option
Filter # This is the filter set, filter rule co-ordinates, i.e., 2,3 refers to the second
filter set and the third rule of that set.
Filter Type Use the [SPACE BAR] to toggle between both types of rules. Parameters
displayed below each type will be different. Generic Filter
Rule/
TCP/IP
Filter Rule
Active
Select Yes to turn on the filter rule. Yes/No
Offset Enter the starting byte of the data portion in the packet that you wish to
compare. The range for this field is from 0 to 255. Default = 0
Length Enter the byte count of the data portion in the packet that you wish to
compare. The range for this field is 0 to 8. Default = 0
Mask Enter the mask (in Hexadecimal) to apply to the data portion before
comparison.
Value Enter the value (in Hexadecimal) to compare with the data portion.
More If yes, a matching packet is passed to the next filter rule before an action is
taken; else the packet is disposed of according to the action fields.
If More is Yes , then Action Matched and Action Not Matched will be No .
Yes / No
Log Select the logging option from the following:
!
None – No packets will be logged.
!
Action Matched - Only packets that match the rule parameters will
be logged.
!
Action Not Matched - Only packets that do not match the rule
parameters will be logged.
!
Both – All packets will be logged.
None
Action
Matched
Action Not
Matched
Both
Action
Matched Select the action for a matching packet.
Check Next
Rule
Forward
Drop
Action Not
Matched Select the action for a packet not matching the rule. Check Next
Rule
Forward