Linux Ask!

Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.

Mar 042010

Disable reply to ping


To stop other machine from pinging your machine, you the following command

# sysctl -w net.ipv4.icmp_echo_ignore_all=1

To turn it on again:

# sysctl -w net.ipv4.icmp_echo_ignore_all=0

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