防火墙安装配置

防火强安装配置

安装firewalld

yum install firewalld firewall-config

运行、停止、禁用firewalld

systemctl start  firewalld
systemctl status firewalld 或者 firewall-cmd --state
systemctl disable firewalld
systemctl stop firewalld

查看开放端口

firewall-cmd --zone=public --list-port

添加开放端口

firewall-cmd --zone=public --add-port=873/tcp --permanent

关闭端口

firewall-cmd --zone=public --remove-port=80/tcp --permanent

重启

firewall-cmd --reload

systemctl stop firewalld.service //关闭防火墙
systemctl status firewalld.service //查看防火墙状态

systemctl stop firewalld.service //关闭防火墙
systemctl status firewalld.service //查看防火墙状态