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Packets in Netopia Firmware Version 7.6 pass through an input filter if they originate from the WAN and
through an output filter if they’re being sent out to the WAN.
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
Edit
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 Netopia Router
input filter
output filter
LAN
WAN
packet
packet