Disable-ping-request-to-the-server

Linux security

• Diable ping

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


Then run the following command to cause the change to take effect immediately:

sysctl -p


This change will persist following a reboot.