Draytek Vigor2120n-plus User Manual page 201

Source/Destination
IP
Protocol
Source Port /
Destination Port
Note: RT means routing domain for 2nd subnet or other
LAN.
Click Edit to access into the following dialog to choose the
source/destination IP or IP ranges.
To set the IP address manually, please choose Any
Address/Single Address/Range Address/Subnet Address
as the Address Type and type them in this dialog. In
addition, if you want to use the IP range from defined
groups or objects, please choose Group and Objects as the
Address Type.
From the IP Group drop down list, choose the one that you
want to apply. Or use the IP Object drop down list to
choose the object that you want.
Specify the protocol(s) which this filter rule will apply to.
(=) – 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.
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Vigor2120 Series User's Guide