Example filter, Before you begin, Example filter -14 – ZyXEL Communications Prestige 310 User Manual
Page 91: Before you begin -14, Figure 7-10, Filter example -14, Table 7-5, Generic filter rule menu fields -13

Prestige 310 Broadband Sharing Gateway
Filters
7-13
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 displayed below each type will be different.
Generic Filter
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
compare. The range for this field is from 0 to 255.
Default = 0
Length
Enter the byte count of the data portion in the packet that you wish to
compare. The range for this field is 0 to 8.
Default = 0
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 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.
Yes / No
Log
Select the logging option from the following:
None – No packets will be logged.
Action Matched - Only packets that match the rule parameters will be
logged.
Action Not Matched - Only packets that do not match the rule
parameters will be logged.
Both – All packets will be logged.
None
Action Matched
Action Not
Matched
Both
Action
Matched
Select the action for a matching packet.
Check Next Rule
Forward
Drop
Action Not
Matched
Select the action for a packet not matching the rule.
Check Next Rule
Forward