MariaDB : SSL/TLS Setting2018/06/07 |
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Enable SSL/TLS connection to MariaDB.
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| [1] | |
| [2] | Configure MariaDB for SSL/TLS. |
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# 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
ssl-ca=/var/lib/mysql/pki/chain.pem
ssl-cert=/var/lib/mysql/pki/cert.pem ssl-key=/var/lib/mysql/pki/priv.key
root@www:~#
systemctl restart mariadb
# verify root@www:~# mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 5 Server version: 10.1.29-MariaDB-6 Ubuntu 18.04 Copyright (c) 2000, 2017, 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 (0.00 sec) |
| [3] | To connect with SSL/TLS from Localhost, connect with specifying Certs. |
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root@www:~#
vi /etc/mysql/mariadb.conf.d/50-mysql-clients.cnf
[mysql]
root@www:~# # add follows into [mysql] section
ssl-cert=/var/lib/mysql/pki/cert.pem
ssl-key=/var/lib/mysql/pki/priv.key mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 6 Server version: 10.1.29-MariaDB-6 Ubuntu 18.04 Copyright (c) 2000, 2017, 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 (0.00 sec) MariaDB [(none)]> exit Bye # for no SSL/TLS connection root@www:~# mysql -u root -p --ssl=false Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 7 Server version: 10.1.29-MariaDB-6 Ubuntu 18.04 Copyright (c) 2000, 2017, 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 (0.01 sec) |
| [4] | To force users to connect with SSL/TLS, set like follows. |
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root@www:~# mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 8 Server version: 10.1.29-MariaDB-6 Ubuntu 18.04 Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # create a user MariaDB [(none)]> create user ubuntu identified by 'password'; Query OK, 0 rows affected (0.00 sec) # set SSL/TLS required to the user MariaDB [(none)]> grant usage on *.* to 'ubuntu'@'%' 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 | | | bionic | % | | | ubuntu | % | ANY | +--------+-----------+----------+ 3 rows in set (0.00 sec) |
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