ZyXEL Communications 1001H ユーザーズマニュアル

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P100IH ISDN Router
9-14
Filter Configuration
The table below describes the fields in the Generic Filter Rule Menu.
Table 9-5 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 N/A.
Yes / N/A
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