ZyXEL Router Prestige 662HW-61 91-004-371001 Manual Do Utilizador

Prestige 662H/HW Series User’s Guide

Chapter 36 Filter Configuration

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To configure a generic rule select an empty filter set in menu 21, for example 5.  Select 
Generic Filter Rule in the Filter Type field and press [ENTER] to open Menu 21.1.5.1 – 
Generic Filter Rule, as shown in the following figure.

Figure 213   Menu 21.1.5.1 Generic Filter Rule 

The next table describes the fields in the Generic Filter Rule menu.

Menu 21.1.5.1 - Generic Filter Rule

Filter #: 5,1
Filter Type= Generic Filter Rule
Active= No
Offset= 0
Length= 0
Mask= N/A
Value= N/A
More= No           Log= None
Action Matched= Check Next Rule
Action Not Matched= Check Next Rule

Press ENTER to Confirm or ESC to Cancel:

Table 128   Menu 21.1.5.1 Generic Filter Rule

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.

Filter Type

Press [SPACE BAR] and then [ENTER] to select a type of rule. Parameters displayed 

below each type will be different. Choices are Generic Filter Rule or TCP/IP Filter 

Rule.

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.

Action 

Matched

Select the action for a matching packet. Choices are Check Next Rule, Forward or 

Drop.