首先任意运行一条iptables防火墙规则配置命令如开通80端口: 0 c+ F7 f" Q3 J/ C! Q! w; F
iptables -I INPUT 1 -p tcp --dport 80 -j ACCEPT
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然后对iptables服务进行保存: + M* J2 y6 c: P* X+ ?
service iptables save ' j* Y0 c% v6 `$ c) `
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. : u* a( K0 Q2 u$ l+ g
解决方法:4 l+ @/ h( u# _2 ~( i
systemctl stop firewalld 关闭防火墙
5 Z1 R) E. o2 A) O4 t; W7 m; nyum install iptables-services 安装或更新服务
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再使用systemctl enable iptables 启动iptables
. }) w4 _ _3 q3 T最后 systemctl start iptables 打开iptables
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再执行service iptables save 7 f* n0 K7 d& L+ |5 ~
然后重启iptables服务: 0 R) m! w% q! [- \, @1 q
service iptables restart ) e. I% s* A, J L" F! ~1 C W
执行完毕之后/etc/syscofig/iptables文件就有了 8 A2 J5 J2 K6 \. ^% n: d7 f
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