Filter
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P314 Broadband Sharing Gateway with 4-Port Switch
Filter Configuration 7-9
Field Description Option
Source: IP Address Enter the source IP Address of the packet you wish to
filter. This field is disregarded if it is 0.0.0.0.
IP Address
Source: IP Mask Enter the IP mask to apply to the Source: IP Addr. IP Mask
Source: Port # Enter the source port of the packets that you wish to filter.
The range of this field is 0 to 65535. This field is
disregarded if it is 0.
0-65535
Source: Port #
Comp
Select the comparison to apply to the source port in the
packet against the value given in Source: Port #.
None/Less/Greater/
Equal/Not Equal
TCP Estab This field is applicable only when IP Protocol field is 6,
TCP. If yes, the rule matches only established TCP
connections; else the rule matches all TCP packets.
Yes/No
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
N/A
.
Yes/No
Log Select the logging option from the following:
z
None
– No packets will be logged.
z
Action Matched
– Only packets that match the rule
parameters will be logged.
z
Action Not Matched
– Only packets that do not
match the rule parameters will be logged.
z
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 21.1.1.1 – TCP/IP 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 21.1.1 – Filter Rules Summary
.
The following diagram illustrates the logic flow of an IP filter.