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# 启动 systemctl start firewalld # 查看状态 systemctl status firewalld # 停止关闭 systemctl disable firewalld systemctl stop firewalld # 把一个源地址加入白名单,以便允许来自这个源地址的所有连接 # 这个在集群中使用常见 # 设置后利用firewall-cmd --reload更新防火墙规则 firewall-cmd --add-rich-rule 'rule family="ipv4" source address="192.168.1.215" accept' --permanent firewall-cmd --reload # 特定域内的用户通过ssh可以连接,24标识255.255.255.0 firewall-cmd --remove-service=ssh --permanent firewall-cmd --add-rich-rule 'rule family=ipv4 source address=172.16.30.0/24 service name=ssh accept' --permanent firewall-cmd --reload firewall-cmd --list-all # 将一个用户加入白名单 firewall-cmd --add-lockdown-whitelist-user=hadoop --permanent firewall-cmd --reload # 将用户id从白名单中去掉 firewall-cmd --remove-lockdown-whitelist-uid=uid firewall-cmd --reload # 查看所有打开的端口: firewall-cmd --list-ports # 在某个区域打开端口 firewall-cmd --zone=public --add-port=8080/tcp --permanent # 关闭端口 firewall-cmd --remove-port=465/tcp # 打开服务,参见/etc/firewalld 目录下services文件夹中的服务,可以配置 firewall-cmd --permanent --zone=public --add-service=samba firewall-cmd --add-service=http --permanent firewall-cmd --reload # 关闭服务 firewall-cmd --zone=public --remove-service=samba firewall-cmd --reload
https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html/security_guide/sec-using_firewalls
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常用命令
参考
https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html/security_guide/sec-using_firewalls
The text was updated successfully, but these errors were encountered: