先查看firewalld是否开启
1
$ systemctl status firewalld
要是没有开启则开启
1
$ systemctl start firewalld
假设添加8000端口
1
$ firewall-cmd --permanent --add-port=8000/tcp
重启firewalld
1
$ systemctl restart firewalld
查看是否正确开启了端口
1
$ firewall-cmd --query-port=8000/tcp
firewalld开机自启
1
$ systemctl enable firewalld