// Recommended fixed setting IP
mysql> GRANT ALL PRIVILEGES ON *.* TO root@"8.8.8.8" IDENTIFIED BY "root";
mysql> flush privileges;
// Modify the firewall
iptables -I INPUT -p tcp --dport 3306 -j ACCEPT// Recommended fixed setting IP
mysql> GRANT ALL PRIVILEGES ON *.* TO root@"8.8.8.8" IDENTIFIED BY "root";
mysql> flush privileges;
// Modify the firewall
iptables -I INPUT -p tcp --dport 3306 -j ACCEPT