1.关闭ipv4防火墙
sudo iptables -P INPUT ACCEPT
sudo iptables -P FORWARD ACCEPT
sudo iptables -P OUTPUT ACCEPT
sudo iptables -F
关闭iptables:
service iptables stop
去掉iptables开机启动:
chkconfig iptables off
2.关闭ipv6防火墙:
用法和ipv4一样,只不过iptables改为了ip6tables
sudo ip6tables -P INPUT ACCEPT
sudo ip6tables -P FORWARD ACCEPT
sudo ip6tables -P OUTPUT ACCEPT
sudo ip6tables -F