Centos6.8防火墙配置

# 查看防火墙状态
service iptables status

# 停止防火墙
service iptables stop

# 启动防火墙
service iptables start

# 重启防火墙
service iptables restart

# 永久关闭防火墙
chkconfig iptables off

# 永久关闭重启
chkconfig iptables on

vi /etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT