Belkin Wireless G Desktop Card F5D7000 - Manual (Page 70)

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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 the level of
security of your Router.
To turn off the ping response, select “Block ICMP Ping” (1) and click
“Apply Changes”. The Router will not respond to an ICMP ping.
(1)