MariaDB 10.5 : SSL/TLS の設定2021/05/18 |
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MariaDB で SSL/TLS による暗号化通信の設定を有効にします。
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| [2] | 作成した証明書をコピーして SSL/TLS の設定をします。 |
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# 作成した証明書をコピー root@www:~# mkdir /var/lib/mysql/pki root@www:~# cp /etc/ssl/private/{server.crt,server.key} /var/lib/mysql/pki/
root@www:~#
chown -R mysql. /var/lib/mysql/pki
root@www:~#
vi /etc/mysql/mariadb.conf.d/50-server.cnf # 86行目 : 取得した証明書を追記
ssl-cert = /var/lib/mysql/pki/server.crt
ssl-key = /var/lib/mysql/pki/server.key
root@www:~#
systemctl restart mariadb
# 設定確認 root@www:~# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 30 Server version: 10.5.10-MariaDB-0ubuntu0.21.04.1 Ubuntu 21.04 Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # 以下のように表示されれば OK MariaDB [(none)]> show variables like '%ssl%'; +---------------------+----------------------------------------+ | Variable_name | Value | +---------------------+----------------------------------------+ | have_openssl | YES | | have_ssl | YES | | ssl_ca | | | 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 1.1.1j 16 Feb 2021 | +---------------------+----------------------------------------+ 10 rows in set (0.001 sec) |
| [3] | SSL/TLS で接続する場合は [ssl] オプションを指定して接続します。 |
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root@www:~# mysql --ssl Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 31 Server version: 10.5.10-MariaDB-0ubuntu0.21.04.1 Ubuntu 21.04 Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # 接続状況確認 MariaDB [(none)]> show status like 'ssl_cipher'; +---------------+------------------------+ | Variable_name | Value | +---------------+------------------------+ | Ssl_cipher | TLS_AES_256_GCM_SHA384 | +---------------+------------------------+ 1 row in set (0.001 sec) MariaDB [(none)]> exit Bye # 非暗号化通信の場合 root@www:~# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 32 Server version: 10.5.10-MariaDB-0ubuntu0.21.04.1 Ubuntu 21.04 Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # 値はブランク MariaDB [(none)]> show status like 'ssl_cipher'; +---------------+-------+ | Variable_name | Value | +---------------+-------+ | Ssl_cipher | | +---------------+-------+ 1 row in set (0.001 sec) |
| [4] | ユーザーに対して SSL/TLS アクセスを必須にする場合は、以下のように設定します。 |
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root@www:~# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 33 Server version: 10.5.10-MariaDB-0ubuntu0.21.04.1 Ubuntu 21.04 Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # SSL/TLS 必須ユーザーを新規作成 MariaDB [(none)]> create user debian identified by 'password' require ssl; Query OK, 0 rows affected (0.00 sec) # SSL/TLS 必須ユーザーは ssl_type が ANY MariaDB [(none)]> select user,host,ssl_type from mysql.user; +-------------+-----------+----------+ | User | Host | ssl_type | +-------------+-----------+----------+ | mariadb.sys | localhost | | | root | localhost | | | mysql | localhost | | | ubuntu | % | | | debian | % | ANY | +-------------+-----------+----------+ 5 rows in set (0.001 sec) # 既存ユーザーを SSL/TLS 必須にする 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 | +-------------+-----------+----------+ | mariadb.sys | localhost | | | root | localhost | | | mysql | localhost | | | ubuntu | % | ANY | | debian | % | ANY | +-------------+-----------+----------+ 5 rows in set (0.001 sec) |
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