禁用ping
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all sysctl -p
启用ping
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all sysctl -p
禁用ping
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all sysctl -p
启用ping
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all sysctl -p