Centos防火墙相关命令
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添加防火墙端口
sudo firewall-cmd --zone=public --add-port=9091/tcp --permanent
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检查防火墙规则
firewall-cmd --list-all
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重启防火墙
sudo firewall-cmd --reload
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停止firewall防火墙
systemctl stop firewalld.service
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禁止firewall防火墙开机启动
systemctl disable firewalld.service
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临时关闭防火墙
systemctl stop firewalld
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永久防火墙开机自启动
systemctl disable firewalld
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临时打开防火墙
+systemctl start firewalld
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防火墙开机启动
systemctl enable firewalld
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查看防火墙状态
systemctl status firewalld