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38 lines
1.6 KiB
Markdown
38 lines
1.6 KiB
Markdown
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# 防火墙 - Firewalld
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## 一、firewalld 服务命令
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```shell
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systemctl enable firewalld.service # 开启服务(开机自动启动服务)
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systemctl disable firewalld.service # 关闭服务(开机不会自动启动服务)
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systemctl start firewalld.service # 启动服务
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systemctl stop firewalld.service # 停止服务
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systemctl restart firewalld.service # 重启服务
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systemctl reload firewalld.service # 重新载入配置
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systemctl status firewalld.service # 查看服务状态
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```
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## 二、firewall-cmd 命令
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`firewall-cmd` 命令用于配置防火墙。
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```shell
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firewall-cmd --version # 查看版本
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firewall-cmd --help # 查看帮助
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firewall-cmd --state # 显示状态
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firewall-cmd --reload # 更新防火墙规则
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firewall-cmd --get-active-zones # 查看区域信息
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firewall-cmd --get-zone-of-interface=eth0 # 查看指定接口所属区域
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firewall-cmd --panic-on # 拒绝所有包
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firewall-cmd --panic-off # 取消拒绝状态
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firewall-cmd --query-panic # 查看是否拒绝
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firewall-cmd --zone=public --list-ports # 查看所有打开的端口
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firewall-cmd --zone=public --query-port=80/tcp # 查看是否有开放的 80 TCP 端口
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firewall-cmd --zone=public --add-port=80/tcp --permanent # 添加开发端口(--permanent永久生效,没有此参数重启后失效)
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firewall-cmd --zone=public --remove-port=80/tcp --permanent # 永久删除开放的 80 TCP 端口
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```
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## 参考资料
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- [CentOS7 使用 firewalld 打开关闭防火墙与端口](https://www.cnblogs.com/moxiaoan/p/5683743.html)
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