User Manual

33
Firewall
Port Filtering
Entries in this table are used to restrict certain types of data packets from your local network to
Internet through the Gateway. Use of such filters can be helpful in securing or restricting your
local network.
Enable Port Filter-
ing
Check to enable this port filtering function.
Port Range
For TCP and UDP Services, enter the beginning of the range of
port numbers used by the service. If the service uses a single port
number, enter it in both the start and finish fields.
Protocol
Select the protocol (TCP, UDP or Both) used to the remote system
or service.
Comment
You may key in a description for the port range.
Apply Changes After completing the settings on this page, click Apply changes
button to save the settings.
Reset Click Reset to restore to default values.
Current Filter
Table
Shows the current port filter information.
Delete Selected
Click Delete Selected button to delete items which are selected.
Delete All
Click Delete All button to delete all the items.
Reset
Click Reset button to rest.