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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: % I* r$ a, i% C# o3 T( k4 K- Z
iptables -I INPUT 1 -p tcp --dport 80 -j ACCEPT + q- G0 E7 P1 q( W& c7 x/ t
然后对iptables服务进行保存:
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service iptables save 3 K/ N4 F6 |+ ]6 M/ j, B
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. " F, B% M+ x1 N. S# O, r% {
解决方法:/ }. q4 {# ^" B' g
systemctl stop firewalld 关闭防火墙
, Z( R5 C* {; ]3 [ G( }* V; Kyum install iptables-services 安装或更新服务
P+ d% K' W8 y, ~/ J: f再使用systemctl enable iptables 启动iptables
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最后 systemctl start iptables 打开iptables " w! G$ n2 \" h1 w$ J# d
再执行service iptables save : h# w0 W' H1 O& j$ r" X4 O
然后重启iptables服务:
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service iptables restart 6 P& d' q. Y4 Q# |5 `. H. @# K$ r
执行完毕之后/etc/syscofig/iptables文件就有了
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