# vim /etc/sysconfig/iptables-A INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT-A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT-A INPUT -m state –state NEW -m tcp -p tcp –dport 3306 -j ACCEPT# service iptables restart# mysql -uroot -proot> GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘ IDENTIFIED BY ‘123456‘ WITH GRANT OPTION;> flush privileges;原文：http://www.cnblogs.com/yjdcoder/p/5927358.html