User's Manual

Software configuration
-43-
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 complete the
new configuration setting.
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.
5.3.14 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.