Netopia 430 S/T, Справочное руководство

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7-24 Netopia ISDN Router Reference Guide
3. Select Source IP Address and enter the source IP address this
filter will match on. You can enter a subnet or a host address.
4. Select Source IP Address Mask and enter a mask for the source
IP address. This allows you to fur ther modify the way the filter will
match on the source address. Enter 0.0.0.0 to force the filter to
match on all source IP addresses.
5. Select Dest. IP Address and enter the destination IP address this
filter will match on. You can enter a subnet or a host address.
6. Select Dest. IP Address Mask and enter a mask for the
destination IP address. This allows you to fur ther modify the way
the filter will match on the destination address. Enter 0.0.0.0 to
force the filter to match on all destination IP addresses.
7. Select Protocol Type and enter TCP , UDP , or the number of
another IP transpor t protocol (see the table on page 7-15 ).
Note: If Protocol Type is set to TCP or UDP , the settings for por t
comparison that you configure in steps 8 and 9 will appear. These
settings only take effect if the Protocol Type is TCP or UDP.
8. Select Source Port Compare and choose a comparison method
for the filter to use on a packet’s source por t number. Then select
Source Port ID and enter the actual source por t number to match
on (see the table on page 7-13 ).
9. Select Dest. Port Compare and choose a comparison method for
the filter to use on a packet’s destination por t number. Then
select
Dest. Port ID and enter the actual destination por t number
to match on (see the table on page 7-13 ).
10. When you are finished configuring the filter, select ADD THIS
FILTER NOW to save the filter in the filter set. Select CANCEL to
discard the filter.
Viewing filters
To display a view-only table of input (output) filters, select Display
Input Filters ( Display Output Filters ) in the Add Filter Set screen.