P312 Broadband Security Gateway

The following table describes the fields in the Generic Filter Rule Menu.

 

Table 7-5

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

Action

 

be logged.

 

Matched

 

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

Action Not

 

parameters 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

 

 

 

 

Filters

7-13

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ZyXEL Communications P-312 manual Generic Filter Rule Menu Fields