在本地（192.168.1.152）部署好mysql環(huán)境，授權(quán)遠程客戶機192.168.1.%連接本機的mysql，在iptables防火墻也已開通3306端口。

如下：

mysql> select host,user,password from mysql.user;
+--------------+-----------------+---------------------------------------------------------+
| host | user | password |
+--------------+-----------------+----------------------------------------------------------+
| localhost | root | |
| fdm1 | root | |
| 127.0.0.1 | root | |
| localhost | | |
| fdm1 | | |
| 192.168.1.% | db_hqsb | *DFC9DC16B13651A95ECEC3A26E07D244431B55C9 |
| 192.168.1.% | db_ro_hqsb | *2C0B0DD50595BB40879110437BEEF026D019DFB7 |
| 192.168.1.% | db_jkhwuser | *2C0B0DD50595BB40879110437BEEF026D019DFB7 |
| 192.168.1.25| slave | *EE52B8EACB3CCD13624273AD6B5CDA52B9B53EB7 |
| 192.168.1.% | tech_db_user | *6053E57C7B61043DC2C6B4E3291D5F61CCC23F5C |
| 192.168.1.% | game_db_user| *05EA4D71C9A1273ECF3E24E6323F7175AE45C366 |
| localhost | zabbix | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
+---------------+---------------+------------------------------------------------------------+

問題：

在客戶機（比如192.168.1.20）上遠程連接上面192.168.1.152機器的mysql，連接失敗！

[root@huanqiu ~]# mysql -udb_ro_hqsb -h 192.168.1.152 -pmhxzkhl0802xqsjdb
ERROR 1130 (HY000): Host '192.168.1.20' is not allowed to connect to this MySQL server

解決：

是由于192.168.1.152的mysql里“host為localhost，user和password為空”這條語句導(dǎo)致的，刪除這條即可解決問題！

mysql> delete from mysql.user where host="localhost" and user="";
Query OK, 1 row affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

這樣，授權(quán)連接的客戶機就能成功連接了！

[root@huanqiu ~]# mysql -uxqsj_db_ro_user -h 192.168.1.152 -pmhxzkhl0802xqsjdb
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 28
Server version: 5.1.73 Source distribution

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

以上這篇完美解決mysql客戶端授權(quán)后連接失敗的問題就是小編分享給大家的全部內(nèi)容了，希望能給大家一個參考，也希望大家多多支持腳本之家。

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