Table 17-4 Menu 21.6.1 Generic Filter Rule - ZyXEL Communications Prestige 645R-A Series User Manual

Zyxel adsl router user's guide

Table of Contents

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.

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.

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

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

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.

Filter Configuration