Planet Technology ADW-4401 A/B - Manual (Page 29)

3.8.1 IP Filtering
Go to Access Management -> IP Filtering to block some packets form WAN.
The router provides extensive firewall protection by restricting connection parameters
to limit the risk of intrusion and defending against a wide array of
common hacker attacks.
“Block WAN Scan” allows you to prevent the hackers from testing the services of the
router. To add IP filtering rule to block certain packet from WAN.
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