Firewall防火墙常用操作

查看防火墙某个端口是否开放 firewall-cmd –query-port=3306/tcp 开放防火墙端口3306 firewall-cmd –zone=public –add-port=3306/tcp –permanent 注意:开放端口后要重启防火墙生效 重启防火墙 systemctl restart firewalld 关闭防火墙端口 firewall-cmd –remove-port=3306/tcp –permanent 查看防火墙状态 systemctl status firewalld 关闭防火墙 systemctl stop firewalld 打开防火墙 systemctl start firewalld 开放一段端口 firewall-cmd –zone=public –add-port=40000-45000/tcp –permanent 查看开放的端口列表 firewall-cmd –zone=public –list-ports

2022-02-10 · 1 分钟