Make your Linux OS ignore all pings

Here is how you can hide your linux OS

Learn how to turn answers to icmp_echos off

Log in as root :

echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all

To turn it onĀ  type:

echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all

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