# 查询端口是否开放
firewall-cmd --query-port=8080/tcp
# 开放80端口
firewall-cmd --zone=public --add-port=80/tcp --permanent
# 移除端口
firewall-cmd --permanent --remove-port=8080/tcp
查看防火墙的开放的端口
firewall-cmd --list-all
#重启防火墙(修改配置后要重启防火墙)
firewall-cmd --reload
systemctl start firewalld
关闭防火墙：systemctl stop firewalld
状态：systemctl status firewalld
开机禁止启动：systemctl disable firewalld
开机自动启动：systemctl enable firewalld
