Filter Configuration Example; Table 5-3 Menu 21.5.1 - Generic Filter Rule Fields - ZyXEL Communications Prestige 650M-17 User Manual

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Prestige 650M-17 ADSL Modem
FIELD
Filter #
This is the filter set, filter rule coordinates, for instance, 2, 3 refers to the
second filter set and the third rule of that set.
Active
Select Yes to turn on or No to turn off the filter rule.
Offset
Type the starting byte of the data portion in the packet that you want to
compare. The range for this field is from 0 to 255.
Length
Type the byte count of the data portion in the packet that you want to
compare. The range for this field is 0 to 8.
Mask
Type the mask (in Hexadecimal) to apply to the data portion before
comparison.
Value
Type 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 or 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.
Log
Select the logging option from the following:
None – No packets will be logged.
Action Matched – Only matching packets and rules will be logged.
Action Not Matched – Only packets that do not match the rule
parameters will be logged.
Both – All packets will be logged.
Select the action for a matching packet. Choices are Check Next Rule,
Action
Matched
Forward or Drop.
Action Not
Select the action for a packet not matching the rule. Choices are Check
Matched
Next Rule, Forward or Drop.
When you have completed this menu, press [ENTER] at the prompt "Press [ENTER] to confirm or [ESC]
to cancel" to save your configuration or press [ESC] to cancel and go back to the previous screen.
5.4

Filter Configuration Example

Let us look at a sample filter.
Step 1.
Enter 21 from the main menu to open Menu 21-Filter Set Configuration.
5-6
Table 5-3 Menu 21.5.1
DESCRIPTION
Generic Filter Rule Fields
EXAMPLE
5,1
No
(default)
0
(default)
0
(default)
No
(default)
None
Check Next
Rule
(default)
Check Next
Rule
(default)
Filter Set Configuration

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