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Why Am I Getting a 'MySQL Access Denied' Error When Connecting Remotely?
- Patricia ArquetteOriginal
- 2024-12-10 17:43:18361browse
Remote MySQL Connection Error: Resolving Access Denied Issue
Many users encounter the frustrating error "ERROR 1045 (28000): Access denied for user" when attempting to access MySQL remotely. This error prevents remote machines from connecting to a database due to authorization restrictions. To delve into this issue, let's examine a specific scenario.
In this case, the user has a MySQL server running on a local machine (192.168.233.142) and is experiencing difficulty establishing a remote connection from a different machine (192.168.233.163). The MySQL port is confirmed to be open on the local machine, but remote connection attempts are met with the aforementioned error.
The core problem lies in the MySQL user table, which contains only two entries for root users: one allowing local access from the localhost and one granting access from any IP address (%). To resolve this, the user needs to add a specific IP entry for the remote machine to the mysql.user table. This grants explicit authorization for that particular machine.
However, even after adding the IP entry and restarting the machine, the error persists. The solution is to execute a GRANT statement as root, specifying the IP address, username, and password of the intended remote user. This grants the required privileges and ensures that the remote machine has the necessary permissions to access the database.
Granting privileges using the "GRANT ALL PRIVILEGES ON . TO 'USERNAME'@'IP' IDENTIFIED BY 'PASSWORD' with grant option" statement allows the remote user to perform all database operations and pass on those privileges to other users. Executing the "FLUSH PRIVILEGES" statement or restarting the MySQL server finalizes the process and enables remote access.
By following these steps and adjusting the user table and privileges accordingly, the user should be able to successfully establish remote connections to the MySQL database.
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