解决ERROR 1130: Host '192.168.11.1' is not allowed to connect to this MySQL

使用navicat进行远程登录MySQL时，报出

ERROR 1130: Host '192.168.11.1' is not allowed to connect to this MySQL  server

解决方法：需要修改mysql数据库下的user表user=root的host字段的值，将localhost改为%

首先在mysql安装机器上登录mysql，

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然后切换到mysql 数据库下

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mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
 
Database changed

可以看一下此库下都有那些数据库表

mysql> show tables
    -> ;
+---------------------------+
| Tables_in_mysql           |
+---------------------------+
| columns_priv              |
| db                        |
| event                     |
| func                      |
| general_log               |
| help_category             |
| help_keyword              |
| help_relation             |
| help_topic                |
| host                      |
| ndb_binlog_index          |
| plugin                    |
| proc                      |
| procs_priv                |
| servers                   |
| slow_log                  |
| tables_priv               |
| time_zone                 |
| time_zone_leap_second     |
| time_zone_name            |
| time_zone_transition      |
| time_zone_transition_type |
| user                      |
+---------------------------+
 rows in set (0.00 sec)

查看user表中的内容

mysql> select host,user from user;
+------------+------+
| host       | user |
+------------+------+
| 127.0.0.1  | root |
| localhost  |      |
| localhost  | root |
| ltt5.bg.cn |      |
| ltt5.bg.cn | root |
+------------+------+
 rows in set (0.00 sec)

这里就可以看到，root用户目前只允许在localhost下登录

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修改

mysql> update user set host = '%' where user = 'root';
ERROR  (): Duplicate entry '%-root' for key 'PRIMARY'
mysql> flush privileges;
Query OK,  rows affected (0.00 sec)

中间会报出一个ERROR 1062 (23000): Duplicate entry '%-root' for key 'PRIMARY'

不用管，执行flush privileges;即可

再次查询user表

mysql> select host,user from user;
+------------+------+
| host       | user |
+------------+------+
| %          | root |
| 127.0.0.1  | root |
| localhost  |      |
| ltt5.bg.cn |      |
| ltt5.bg.cn | root |
+------------+------+
 rows in set (0.00 sec)

到这里，你可以在navicat上再次连接mysql，就可以成功了。

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