MySQL 8.0 : SSL/TLS Setting2022/07/06 |
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Configure SSL/TLS Setting on MySQL.
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| [1] |
Get SSL/TLS certificate or
Create self signed certificate first.
It uses self signed certificate on this example. |
| [2] | Copy certificates and configure MySQL. |
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[root@www ~]# mkdir /var/lib/mysql/pki [root@www ~]# cp /etc/pki/tls/certs/server.{crt,key} /var/lib/mysql/pki/
[root@www ~]#
chown -R mysql. /var/lib/mysql/pki
[root@www ~]#
vi /etc/my.cnf.d/mysql-server.cnf # add under the [mysqld] section [mysqld]
ssl-cert=/var/lib/mysql/pki/server.crt
ssl-key=/var/lib/mysql/pki/server.key
[root@www ~]#
systemctl restart mysqld
# verify settings [root@www ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Server version: 8.0.28 Source distribution Copyright (c) 2000, 2022, Oracle and/or its affiliates. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # OK if status is like follows mysql> show variables like '%ssl%'; +-------------------------------------+-------------------------------+ | Variable_name | Value | +-------------------------------------+-------------------------------+ | admin_ssl_ca | | | admin_ssl_capath | | | admin_ssl_cert | | | admin_ssl_cipher | | | admin_ssl_crl | | | admin_ssl_crlpath | | | admin_ssl_key | | | have_openssl | YES | | have_ssl | YES | | mysqlx_ssl_ca | | | mysqlx_ssl_capath | | | mysqlx_ssl_cert | | | mysqlx_ssl_cipher | | | mysqlx_ssl_crl | | | mysqlx_ssl_crlpath | | | mysqlx_ssl_key | | | performance_schema_show_processlist | OFF | | ssl_ca | | | ssl_capath | | | ssl_cert | /var/lib/mysql/pki/server.crt | | ssl_cipher | | | ssl_crl | | | ssl_crlpath | | | ssl_fips_mode | OFF | | ssl_key | /var/lib/mysql/pki/server.key | +-------------------------------------+-------------------------------+ 25 rows in set (0.01 sec) |
| [3] | To connect with SSL/TLS from Clients, connect with specifying [--ssl-mode] option. |
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[root@www ~]# mysql -u root -p --ssl-mode=required --protocol=tcp Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 9 Server version: 8.0.28 Source distribution Copyright (c) 2000, 2022, Oracle and/or its affiliates. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # show status mysql> show status like 'ssl_cipher'; +---------------+------------------------+ | Variable_name | Value | +---------------+------------------------+ | Ssl_cipher | TLS_AES_256_GCM_SHA384 | +---------------+------------------------+ 1 row in set (0.00 sec) mysql> exit Bye # for no SSL/TLS connection [root@www ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 10 Server version: 8.0.28 Source distribution Copyright (c) 2000, 2022, Oracle and/or its affiliates. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # value is empty mysql> show status like 'ssl_cipher'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | Ssl_cipher | | +---------------+-------+ 1 row in set (0.00 sec) |
| [4] | To force require users to connect with SSL/TLS, set like follows. |
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[root@www ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 11 Server version: 8.0.28 Source distribution Copyright (c) 2000, 2022, Oracle and/or its affiliates. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # create a user who is required SSL/TLS mysql> create user redhat identified by 'password' require ssl; Query OK, 0 rows affected (0.12 sec) # show status SSL/TLS required users set [ssl_type] [ANY] mysql> select user,host,ssl_type from mysql.user; +------------------+-----------+----------+ | user | host | ssl_type | +------------------+-----------+----------+ | cent | % | | | redhat | % | ANY | | mysql.infoschema | localhost | | | mysql.session | localhost | | | mysql.sys | localhost | | | root | localhost | | +------------------+-----------+----------+ 6 rows in set (0.00 sec) # set SSL/TLS required to an existing user mysql> alter user 'cent'@'%' require ssl; Query OK, 0 rows affected (0.06 sec) mysql> select user,host,ssl_type from mysql.user; +------------------+-----------+----------+ | user | host | ssl_type | +------------------+-----------+----------+ | cent | % | ANY | | redhat | % | ANY | | mysql.infoschema | localhost | | | mysql.session | localhost | | | mysql.sys | localhost | | | root | localhost | | +------------------+-----------+----------+ 6 rows in set (0.00 sec) |
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