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添加xxxx/24到80端口白名单:
firewall-cmd --permanent --add-rich-rule=‘rule family="ipv4" source address="x.x.x.x/24" port port="80" protocol="tcp" accept‘
firewall-cmd --complete-reload
firewall-cmd --list-all
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原文地址:http://www.cnblogs.com/flasheryu/p/5892075.html