Robustel R1520 User Guide
RT056_UG_R1520_v.1.0.3 Dec. 25, 2021 76/159
4.3.2 Firewall
This section allows you to set the firewall and its related parameters, including Filtering, Port Mapping, Custom Rules,
DMZ and Status. Filtering rules allow users to custom accept or discard a specified access source, filtering its IP
address or MAC address.
Click "> firewall > filter" to display as follows:
Filtering
The filtering rules can be used to either accept or block certain users or ports from accessing your router.
Click to add whitelist rules. The maximum count is 50.