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首先任意运行一条iptables防火墙规则配置命令如开通80端口:
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iptables -I INPUT 1 -p tcp --dport 80 -j ACCEPT / C/ R, s- `. t r# ]' S
然后对iptables服务进行保存: 3 e2 O0 Q8 i8 S7 Z% }/ o2 `; E
service iptables save ) y T0 o8 \/ D
如果失败报出: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.
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解决方法:4 g- j% V- n5 a5 Y
systemctl stop firewalld 关闭防火墙
- Z# D9 S. {+ H Myum install iptables-services 安装或更新服务
, K* `- _2 l# e+ F再使用systemctl enable iptables 启动iptables
. c; O6 K( K% Y; ^& ?2 f) a最后 systemctl start iptables 打开iptables
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再执行service iptables save 2 Z6 m, J7 Q+ z& s
然后重启iptables服务:
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service iptables restart 7 ]3 \ |9 B8 t0 R/ v
执行完毕之后/etc/syscofig/iptables文件就有了
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