一.任意运行一条iptables防火墙规则配置命令:
iptables -P OUTPUT ACCEPT
二.对iptables服务进行保存:
service iptables save
如果上述命令执行失败报出:The service command supports only basic LSB actions (start, stop,
restart, try-restart, reload, force-reload, status). For other actions, please try to use systemctl.
三.解决方法:
1.systemctl stop firewalld --关闭防火墙
2.yum install iptables-services --安装或更新服务
3.systemctl enable iptables --允许开机启动iptables
4.systemctl start iptables --启动iptables
5.service iptables save --保存设置
6.service iptables restart --重启iptables服务: