CentOS6数据库拒绝访问

配置/etc/sysconfig/iptables

此处贴下我的配置文件。。。重要的就是加粗的那一行，改下端口号就行了

# Firewall configuration written by system-config-firewall

# Manual customization of this file is not recommended.

*filter

:INPUT ACCEPT [0:0]

:FORWARD ACCEPT [0:0]

:OUTPUT ACCEPT [0:0]

-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

-A INPUT -p icmp -j ACCEPT

-A INPUT -i lo -j ACCEPT

-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

-A INPUT -j REJECT --reject-with icmp-host-prohibited

-A FORWARD -j REJECT --reject-with icmp-host-prohibited

COMMIT

2.配置 mysql连接用户

进入MySQL命令行模式，

grant all privileges on.to ‘root’@’%’ identified by ‘mypassword’ with grant option;

flush privileges

就是让root 从任意ip地址 用密码 mypassword 登录