To disable ping
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
To enable ping
echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all
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To disable ping
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
To enable ping
echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_all
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