MariaDB : SSL/TLS Setting2020/05/09 |
Configure SSL/TLS Setting on MariaDB.
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[1] | |
[2] | Configure MariaDB. |
# copy certificates got in [1] and convert format for certificate key root@www:~# mkdir /var/lib/mysql/pki root@www:~# cp /etc/letsencrypt/live/www.srv.world/* /var/lib/mysql/pki/ root@www:~# openssl rsa -in /var/lib/mysql/pki/privkey.pem -out /var/lib/mysql/pki/priv.key
root@www:~#
chown -R mysql. /var/lib/mysql/pki
root@www:~#
vi /etc/mysql/mariadb.conf.d/50-server.cnf # line 98: add certificate
ssl-ca=/var/lib/mysql/pki/chain.pem
ssl-cert=/var/lib/mysql/pki/cert.pem ssl-key=/var/lib/mysql/pki/privkey.pem
root@www:~#
systemctl restart mariadb
# verify root@www:~# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 36 Server version: 10.3.22-MariaDB-1ubuntu1 Ubuntu 20.04 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 | NO | | have_ssl | YES | | ssl_ca | /var/lib/mysql/pki/chain.pem | | ssl_capath | | | ssl_cert | /var/lib/mysql/pki/cert.pem | | ssl_cipher | | | ssl_crl | | | ssl_crlpath | | | ssl_key | /var/lib/mysql/pki/priv.key | | version_ssl_library | YaSSL 2.4.4 | +---------------------+-------------------------------+ 10 rows in set (0.002 sec) |
[3] | To connect with SSL/TLS from Clients, connect with specifying [ssl] option. |
root@www:~# mysql --ssl Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 37 Server version: 10.3.22-MariaDB-1ubuntu1 Ubuntu 20.04 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 | DHE-RSA-AES256-SHA | +---------------+--------------------+ 1 row in set (0.001 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 38 Server version: 10.3.22-MariaDB-1ubuntu1 Ubuntu 20.04 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. |
root@www:~# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 39 Server version: 10.3.22-MariaDB-1ubuntu1 Ubuntu 20.04 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 debian 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 | +--------+-----------+----------+ | root | localhost | | | debian | % | ANY | | ubuntu | % | | +--------+-----------+----------+ 3 rows in set (0.000 sec) # set SSL/TLS required to an existing user MariaDB [(none)]> grant usage on *.* to 'ubuntu'@'%' require ssl; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> select user,host,ssl_type from mysql.user; +--------+-----------+----------+ | user | host | ssl_type | +--------+-----------+----------+ | root | localhost | | | debian | % | ANY | | ubuntu | % | ANY | +--------+-----------+----------+ 3 rows in set (0.000 sec) |
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