Draytek Vigor 3200 Series User Manual page 191

Item
Source/Destination Port
After finishing all the settings here, please click OK to save the configuration.
Below is an example of service type objects settings.
Description
Source Port and the Destination Port column are available for
TCP/UDP protocol. It can be ignored for other protocols. The
filter rule will filter out any port number.
(=) – 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 profile.
(!=) – when the first and last value are the same,
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.
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it indicates
Vigor3200 Series User's Guide