User's Manual

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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.
3.6.2 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.