33
Screen snapshot – Firewall - Port Filtering
Item
Description
Enable Port Filtering Click to enable the port filtering security function.
Port Range
Protocol
Comments
To restrict data transmission from the local network
on certain ports, fill in the range of start-port and
end-port, and the protocol, also put your comments
on it.
The
Protocol
can be TCP, UDP or Both.
Comments
let you know about whys to restrict data
from the ports.
Apply Changes
Click the
Apply Changes
button to register the ports
to port filtering list.
Reset
Click the
Reset
button to abort change and recover
the previous configuration setting.
Delete Selected
Click to delete the selected port range that will be
removed from the port-filtering list.
Delete All
Click to delete all the registered entries from the
port-filtering list.
Reset
Click the
Reset
button to abort change and recover
the previous configuration setting.
3.3.13 Firewall - IP 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.
