防火墙禁止响应ping

禁止响应ping

sudo iptables -A INPUT -p icmp --icmp-type 8 -s 0/0 -j DROP

允许响应ping

sudo iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT

sudo iptables -A OUTPUT -p icmp --icmp-type echo-reply -j ACCEPT

存储设置

sudo service iptables save