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 will appear in the upper right corner of the web page. It will remain until all of your 

changes are entered and validated. You need not immediately restar t the Gateway until your fil-
ter set is complete. See 

There are two kinds of filters you can add to a filter set: input and output. Input filters check packets 
received from the Internet, destined for your network. Output filters check packets transmitted from your 
network to the Internet.

The process for adding input and output filters is exactly the same. The main difference between the two 
involves their reference to source and destination. From the perspective of an input filter, your local network 
is the destination of the packets it checks, and the remote network is their source. From the perspective of 
an output filter, your local network is the source of the packets, and the remote network is their destination.

To add a filter, select the 

Filter Set Name to which you will add a filter, and click the 

 button. 

Type of filter

Source means

Destination means

Input filter

The remote network

The local network

Output filter

The local network

The remote network

The Motorola Netopia® Router

input filter

output filter

LAN

WAN

packet

packet