标签：11 04 5.6 encrypted library ssl client mode MySQL

Changes in MySQL 5.6.30 (2016-04-11, General Availability)

Security Notes

• The linked OpenSSL library for the MySQL Commercial Server has been updated to version 1.0.1s. For a description of issues fixed in this version, see http://www.openssl.org/news/vulnerabilities.html.

  This change does not affect the Oracle-produced MySQL Community build of MySQL Server, which uses the yaSSL library instead. (Bug #22685885, Bug #22923458)

• MySQL client programs now support an --ssl-mode option that enables you to specify the security state of the connection to the server. If the option is not specified, the default value is DISABLED (establish an unencrypted connection). --ssl-mode=REQUIRED can be specified to require an encrypted connection, or fail if an encrypted connection cannot be obtained.

  These clients support --ssl-mode: mysql, mysqladmin, mysqlcheck, mysqldump, mysqlimport, mysqlshow, mysqlpump, mysqlslap, mysqltest, mysql_upgrade.

  For more information, see Command Options for Encrypted Connections.

  Note

  In MySQL 5.7 and higher, the C client library provides native support for requiring encrypted connections: call the mysql_options() C API function, passing the MYSQL_OPT_SSL_MODE option with a value of SSL_MODE_REQUIRED. In MySQL 5.6, the client library provides no such support because doing so would break binary compatibility with previous library versions within the series. Clients that require encrypted connections must implement the logic themselves.

  To require encrypted connections in MySQL 5.6, the standard MySQL client programs use this technique: If --ssl-mode=REQUIRED was specified, the client program turns on SSL, connects to the server, and checks whether the resulting connection is encrypted. If not, the client exits with an error. Third-party applications that must be able to require encrypted connections can use the same technique. For details, see mysql_ssl_set().

标签：11,04,5.6,encrypted,library,ssl,client,mode,MySQL
来源： https://www.cnblogs.com/jinzhenshui/p/12590972.html

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