ZyXEL Communications 480 - Manual (Page 104)

Prestige 480 ISDN Router
7-10 Filter Configuration
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
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.