Draytek VigorIPPBX 3510 Series, Руководство пользователя

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VigorIPPBX 3510 Series User’s Guide 159
To set the service type manually, please choose
User defined as
the Service Type and type them in this dialog. In addition, if you
want to use the service type from defined groups or objects, please
choose
Group and Objects as the Service Type.
Protocol - Specify the protocol(s) which this filter rule will apply to.
Source/Destination Port -
(=)
– when the first and last value are the same, it indicates one
port; when the first and last values are different, it indicates a range
for the port and available for this service type.
(!=) – when the first and last value are the same,
it indicates all
the ports except the port defined here; when the first and
last
values are different, it indicates that all the ports except the range
defined here are available for this service type.
(>) – the port number greater than this value is available.
(<) – the port number less than this value is available for this
profile.
Service Group/Object - Use the drop down list to choose the one
that you want.
Fragments Specify the action for fragmented packets. And it is used for Data
Filter only.
Don’t care - No action will be taken towards fragmented packets.
Unfragmented - Apply the rule to unfragmented packets.
Fragmented - Apply the rule to fragmented packets.
Too Short - Apply the rule only to packets that are too short to
contain a complete header.
Filter Specifies the action to be taken when packets match the rule.
Block Immediately - Packets matching the rule will be dropped
immediately.
Pass Immediately - Packets matching the rule will be passed
immediately.
Block If No Further Match - A packet matching the rule, and that
does not match further rules, will be dropped.