Prestige 480 Dual BRI ISDN Router

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

Generic Filter

 

displayed below each type will be different.

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

Default = 0

 

compare. The range for this field is from 0 to 255.

 

Length

Enter the byte count of the data portion in the packet that you wish to

Default = 0

 

compare. The range for this field is 0 to 8.

 

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

Yes / No

 

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.

 

Log

Select the logging option from the following:

 

 

None – No packets will be logged.

None

 

Action Matched - Only packets that match the rule parameters will be

Action

 

logged.

Matched

 

Action Not Matched - Only packets that do not match the rule parameters

Action Not

 

will be logged.

Matched

 

Both – All packets will be logged.

Both

Action

Select the action for a matching packet.

Check Next

Matched

 

Rule

 

 

Forward

 

 

Drop

Action Not

Select the action for a packet not matching the rule.

Check Next

Matched

 

Rule

 

 

Forward

 

 

Drop

Once you have completed filling in Menu 21.1.2 - generic Filter Rule, press [Enter] at the message [Press Enter to Confirm] to save your configuration, or press [Esc] to cancel. This data will now be displayed on Menu 21.1 - Filter Rules Summary.

Filter Configuration

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ZyXEL Communications 480 manual Generic Filter Rule Menu Fields