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# 查看防火墙状态 firewall-cmd --state # 关闭防火墙 systemctl stop firewalld.service # 开放指定端口及协议, --permanent 服务器重启后也不会失效 sudo firewall-cmd --zone=public --add-port=6001/tcp --permanent # 重载防火墙,以使更新生效 firewall-cmd --reload # 官方文档 https://www.linode.com/docs/security/firewalls/introduction-to-firewalld-on-centos/ |