Draytek Vigor2850 Series, Руководство пользователя

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Vigor2850 Series User’s Guide
125
Service Type
Click
Edit
to access into the following dialog to choose a
suitable service type.
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.