Belkin G Plus MIMO Manuel De L'utilisateur page 66

Using the Web-Based Advanced User Interface
Blocking an ICMP Ping
Computer hackers use what is known as "pinging" to find potential
victims on the Internet. By pinging a specific IP address and receiving
a response from the IP address, a hacker can determine that
something of interest might be there. The Router can be set up so it
will not respond to an ICMP ping from the outside. This heightens your
Router's security level.
To turn off the ping response, select "Block ICMP Ping"
"Apply Changes". The Router will not respond to an ICMP ping.
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