How To Secure MySQL Server with mysql_secure_installation
This program enables you to improve the security of your MySQL installation in the following ways:
- You can set a password for
- You can remove
rootaccounts that are accessible from outside the local host.
- You can remove anonymous-user accounts.
- You can remove the
testdatabase (which by default can be accessed by all users, even anonymous users), and privileges that permit anyone to access databases with names that start with
Log in as the root user or switch to the root user.
sudo su -
Before executing the following command, start the MySQL server.
### CentOS 6 / Ubuntu 14.04 / Debian 8 ### service mysqld start ### CentOS 7 / Ubuntu 18.04 / 16.04 / Debian 9 ### systemctl start mariadb
Execute the following command to start MySQL configuration for the first time.
NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY! In order to log into MySQL to secure it, we'll need the current password for the root user. If you've just installed MySQL, and you haven't set the root password yet, the password will be blank, so you should just press enter here. Enter current password for root (enter for none): <---- Simply just enter because no password is set OK, successfully used password, moving on... Setting the root password ensures that nobody can log into the MySQL root user without the proper authorisation. Set root password? [Y/n] <--- Type Y and Enter for setting up the root password New password: <---- Type new password and Enter Re-enter new password: <---- Re-Type new password and Enter Password updated successfully! Reloading privilege tables.. ... Success! By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment. Remove anonymous users? [Y/n] <---- Type Y to Remove anonymous user and press Enter ... Success! Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network. Disallow root login remotely? [Y/n] <---- Type Y to disable root login remotely and press Enter ... Success! By default, MySQL comes with a database named 'test' that anyone can access. This is also intended only for testing, and should be removed before moving into a production environment. Remove test database and access to it? [Y/n] <---- Type Y to remove test database and press Enter - Dropping test database... ... Success! - Removing privileges on test database... ... Success! Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? [Y/n] <---- Type Y to save the changes and press Enter ... Success! Cleaning up... All done! If you've completed all of the above steps, your MySQL installation should now be secure. Thanks for using MySQL!