MariaDB : SSL/TLS Setting2020/11/11 |
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Configure SSL/TLS Setting on MariaDB.
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| [1] |
Get SSL/TLS certificate or Create self signed certificate first.
It uses self signed certificate on this example. |
| [2] | Configure MariaDB for SSL/TLS. |
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# copy certificates gotten in [1] [root@www ~]# mkdir /var/lib/mysql/pki [root@www ~]# cp /etc/pki/tls/certs/{server.crt,server.key,ca-bundle.crt} /var/lib/mysql/pki/
[root@www ~]#
chown -R mysql. /var/lib/mysql/pki
[root@www ~]#
vi /etc/my.cnf.d/mariadb-server.cnf # add under [mysqld] section [mysqld]
ssl-ca=/var/lib/mysql/pki/ca-bundle.crt
ssl-cert=/var/lib/mysql/pki/server.crt ssl-key=/var/lib/mysql/pki/server.key
[root@www ~]#
systemctl restart mariadb
# verify settings [root@www ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 8 Server version: 10.4.16-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # OK if status is like follows MariaDB [(none)]> show variables like '%ssl%'; +---------------------+----------------------------------+ | Variable_name | Value | +---------------------+----------------------------------+ | have_openssl | YES | | have_ssl | YES | | ssl_ca | /var/lib/mysql/pki/ca-bundle.crt | | ssl_capath | | | ssl_cert | /var/lib/mysql/pki/server.crt | | ssl_cipher | | | ssl_crl | | | ssl_crlpath | | | ssl_key | /var/lib/mysql/pki/server.key | | version_ssl_library | OpenSSL 1.1.1g FIPS 21 Apr 2020 | +---------------------+----------------------------------+ 10 rows in set (0.002 sec) |
| [3] | To connect with SSL/TLS from Clients, connect with specifying [ssl] option. |
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[root@www ~]# mysql --ssl Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 9 Server version: 10.4.16-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # show status MariaDB [(none)]> show status like 'ssl_cipher'; +---------------+------------------------+ | Variable_name | Value | +---------------+------------------------+ | Ssl_cipher | TLS_AES_256_GCM_SHA384 | +---------------+------------------------+ 1 row in set (0.002 sec) MariaDB [(none)]> exit Bye # for no SSL/TLS connection [root@www ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 10 Server version: 10.4.16-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # value is empty MariaDB [(none)]> show status like 'ssl_cipher'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | Ssl_cipher | | +---------------+-------+ 1 row in set (0.001 sec) |
| [4] | To force require users to connect with SSL/TLS, set like follows. |
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[root@www ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 11 Server version: 10.4.16-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # create a user who is required SSL/TLS MariaDB [(none)]> create user redhat identified by 'password' require ssl; Query OK, 0 rows affected (0.00 sec) # show status SSL/TLS required users set [ssl_type] [ANY] MariaDB [(none)]> select user,host,ssl_type from mysql.user; +-------------+-----------+----------+ | User | Host | ssl_type | +-------------+-----------+----------+ | mariadb.sys | localhost | | | root | localhost | | | mysql | localhost | | | redhat | % | ANY | | fedora | % | | +-------------+-----------+----------+ 5 rows in set (0.002 sec) # set SSL/TLS required to an existing user MariaDB [(none)]> grant usage on *.* to 'fedora'@'%' require ssl; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> select user,host,ssl_type from mysql.user; +-------------+-----------+----------+ | User | Host | ssl_type | +-------------+-----------+----------+ | mariadb.sys | localhost | | | root | localhost | | | mysql | localhost | | | redhat | % | ANY | | fedora | % | ANY | +-------------+-----------+----------+ 5 rows in set (0.001 sec) |
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