Disable ping request to the server
Diable ping using the following type:
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all
or
As superuser, add the following lines to /etc/sysctl.conf
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_echo_ignore_all = 1
net.ipv4.icmp_echo_ignore_all = 1
Then run the following command to cause the change to take effect immediately:
sysctl -p
This change will persist following a reboot.
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