Waveshare WS-431E User Manual page 53

WS-431E
4G Router
Figure 56 Firewall setting 2
The source zone and target zone can be defaulted.
Select all the source MAC and IP (according to whether all subnet devices are forbidden to ping
according to the demand), and the source port number is not required to be filled in.
Select all the destination IP, and you can fill in whether ping to a certain IP is prohibited or ping
detection to all IP is prohibited as required. The destination port should not be filled in.
<For example>
In this example, it is forbidden to ping devices with subnet IP of 192.168.1.133 to destination
address of 192.168.0.100.
www.waveshare.com 53 / 68 www.waveshare.com/wiki