Question

我已经尝试过远程远程连接到我的mysql数据库，但是我收到连接被拒绝错误。我已将bind-address更改为0.0.0.0，我已经运行了ufw，输出是

sudo ufw status verbose
sudo: unable to resolve host iot
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), disabled (routed)
New profiles: skip

To                         Action      From
--                         ------      ----
3306                       ALLOW IN    Anywhere
3306                       ALLOW IN    0.0.0.0
22                         ALLOW IN    Anywhere
80                         ALLOW IN    Anywhere
3306/tcp                   ALLOW IN    Anywhere
3306/tcp (MySQL)           ALLOW IN    Anywhere
3306/tcp                   ALLOW IN    0.0.0.0
3306 (v6)                  ALLOW IN    Anywhere (v6)
22 (v6)                    ALLOW IN    Anywhere (v6)
80 (v6)                    ALLOW IN    Anywhere (v6)
3306/tcp (v6)              ALLOW IN    Anywhere (v6)
3306/tcp (MySQL (v6))      ALLOW IN    Anywhere (v6)

3306/tcp                   ALLOW OUT   Anywhere
3306/tcp (v6)              ALLOW OUT   Anywhere (v6)

我已经允许我的ip被授予特权而且没有任何内容：

mysql> select host, user from mysql.user;
+----------------+-------+
| host           | user  |
+----------------+-------+
| %              | admir |
| %              | root  |
| 127.0.0.1      | admir |
| X.X.X.X        | admir |
| X.X.X.X        | root  |
| localhost      | admir |
| localhost      | root  |
+----------------+-------+

有人可以告诉我，我有什么遗失的吗？我的IP地址似乎不是广播的地址（只有localhost），因为：

tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      3199/mysqld

我该如何解决这个问题？

Answer 1

您是否尝试完全注释掉绑定地址行并重新启动MySQL？根据该netstat行，您只是在侦听本地主机。

另外，在重新启动mysqld之前，确保你的MySQL进程真的死了，我已经看过＆＃34; ghost＆＃34;过去运行的MySQL实例，它不允许服务正确绑定并侦听远程连接。

连接到Mysql错误（111）

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