Corinex Global Powerline Router - Manual (Page 62)

WAN Ping blocking
Select the WAN Ping blocking tab from the Advanced Settings tabs. The
following screen will appear:
Fig.3.20 Block ICMP ping
You can block the response from the ICMP requests coming from the WAN
port, by checking the Block ICMP Ping checkbox.
After you have entered the values in this screen, you can set them up by
clicking on the Submit Query button.
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Advanced Settings
Corinex Powerline Router User Guide