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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 7 U, F0 G+ w! I. ~. g- Y
然后对iptables服务进行保存:
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service iptables save , r& B. N. r5 A3 n& t; Z/ ` [
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:
6 e. r- X7 `/ D( v Q' v$ Ysystemctl stop firewalld 关闭防火墙
W+ p; E: T4 m6 f7 R+ P3 zyum install iptables-services 安装或更新服务
! ~ i# T* H2 s" g再使用systemctl enable iptables 启动iptables
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最后 systemctl start iptables 打开iptables 7 ?4 q0 _" L* c( B
再执行service iptables save
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然后重启iptables服务:
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service iptables restart % t6 ]+ ~7 l$ t _/ K" K
执行完毕之后/etc/syscofig/iptables文件就有了
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