Centos7 firewall
停止
sudo systemctl stop firewalld.service
起動
sudo systemctl start firewalld.service
動作確認
sudo firewall-cmd --state
自動起動設定
sudo systemctl enable firewalld.service
自動起動の設定確認
sudo systemctl is-enabled firewalld.service
自動起動設定の解除
sudo systemctl disable firewalld.service