机器内部开启防火墙
rm -f /etc/iptables/rules.v4
rm -f /etc/iptables/rules.v6
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -F甲骨文控制台开启防火墙全部端口
机器内部开启防火墙
rm -f /etc/iptables/rules.v4
rm -f /etc/iptables/rules.v6
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -F