Thank you. 

I noticed some anonymous user entries in mysql.user. I have executed the mysql_secure_installation and removed those users as well. 

On Thu, Jan 4, 2018 at 1:03 PM, Federico Razzoli <federico_raz@yahoo.it> wrote:

Check table mysql.user: you probably have the account '%'@localhost. It's a pattern, and rot@localhost matches.

When running SHOW DATABASES you see only the databases which you have some permissions.

Federico

---

Da: Karthick Subramanian <ksubramanian@paycommerce.com>
A: Maria Discuss <maria-discuss@lists.launchpad.net>
Inviato: Giovedì 4 Gennaio 2018 6:01
Oggetto: [Maria-discuss] Is this normal behaviour?

All,

When I tried to connect in centos 7 mariadb 10.2.11 server using root user, by mistake I gave wrong user name, but it connected successfully. I am not sure why. When I check show databases, it didnt list all DBs, but when I connect with root again, I can see all valid Dbs. 

Is this normal that even if I give wrong user, it authenticate into DB server from root. 

[root@ipaddr ~]# mysql -u rot

Welcome to the MariaDB monitor.  Commands end with ; or \g.

Your MariaDB connection id is 22

Server version: 10.2.11-MariaDB MariaDB Server

Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.

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

MariaDB [(none)]> show databases;

+--------------------+

| Database           |

+--------------------+

| information_schema |

| test               |

+--------------------+

2 rows in set (0.00 sec)

MariaDB [(none)]> exit

Bye

[root@ipaddr~]# mysql -u root

Welcome to the MariaDB monitor.  Commands end with ; or \g.

Your MariaDB connection id is 24

Server version: 10.2.11-MariaDB MariaDB Server

Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.

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

MariaDB [(none)]> show databases;

+--------------------+

| Database           |

+--------------------+

| mydb01     |

| information_schema |

| mydb02      |

| mysql              |

| performance_schema |

| test               |

+--------------------+

6 rows in set (0.00 sec)

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