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MYSQL_SECURE_INSTALLATION(1) MySQL Database System MYSQL_SECURE_INSTALLATION(1)
NAME
mysql_secure_installation - improve MySQL installation security
SYNOPSIS
mysql_secure_installation
DESCRIPTION
This program enables you to improve the security of your MySQL installation in the
following ways:
o You can set a password for root accounts.
o You can remove root accounts that are accessible from outside the local host.
o You can remove anonymous-user accounts.
o You can remove the test database (which by default can be accessed by all users, even
anonymous users), and privileges that permit anyone to access databases with names
that start with test_.
mysql_secure_installation helps you implement security recommendations similar to those
described at Section 2.10.4, "Securing the Initial MySQL Account".
Normal usage is to connect to the local MySQL server; invoke mysql_secure_installation
without arguments:
shell> mysql_secure_installation
When executed, mysql_secure_installation prompts you to determine which actions to
perform.
The validate_password plugin can be used for password strength checking. If the plugin is
not installed, mysql_secure_installation prompts the user whether to install it. Any
passwords entered later are checked using the plugin if it is enabled.
Most of the usual MySQL client options such as --host and --port can be used on the
command line and in option files. For example, to connect to the local server over IPv6
using port 3307, use this command:
shell> mysql_secure_installation --host=::1 --port=3307
mysql_secure_installation supports the following options, which can be specified on the
command line or in the [mysql_secure_installation] and [client] groups of an option file.
For information about option files used by MySQL programs, see Section 4.2.6, "Using
Option Files".
o --help, -?
Display a help message and exit.
o --defaults-extra-file=file_name
Read this option file after the global option file but (on Unix) before the user
option file. If the file does not exist or is otherwise inaccessible, an error occurs.
file_name is interpreted relative to the current directory if given as a relative path
name rather than a full path name.
o --defaults-file=file_name
Use only the given option file. If the file does not exist or is otherwise
inaccessible, an error occurs. file_name is interpreted relative to the current
directory if given as a relative path name rather than a full path name.
o --defaults-group-suffix=str
Read not only the usual option groups, but also groups with the usual names and a
suffix of str. For example, mysql_secure_installation normally reads the [client] and
[mysql_secure_installation] groups. If the --defaults-group-suffix=_other option is
given, mysql_secure_installation also reads the [client_other] and
[mysql_secure_installation_other] groups.
o --host=host_name, -h host_name
Connect to the MySQL server on the given host.
o --no-defaults
Do not read any option files. If program startup fails due to reading unknown options
from an option file, --no-defaults can be used to prevent them from being read.
The exception is that the .mylogin.cnf file, if it exists, is read in all cases. This
permits passwords to be specified in a safer way than on the command line even when
--no-defaults is used. (.mylogin.cnf is created by the mysql_config_editor utility.
See mysql_config_editor(1).)
o --password=password, -p password
This option is accepted but ignored. Whether or not this option is used,
mysql_secure_installation always prompts the user for a password.
o --port=port_num, -P port_num
The TCP/IP port number to use for the connection.
o --print-defaults
Print the program name and all options that it gets from option files.
o --protocol={TCP|SOCKET|PIPE|MEMORY}
The connection protocol to use for connecting to the server. It is useful when the
other connection parameters normally would cause a protocol to be used other than the
one you want. For details on the permissible values, see Section 4.2.2, "Connecting to
the MySQL Server".
o --socket=path, -S path
For connections to localhost, the Unix socket file to use, or, on Windows, the name of
the named pipe to use.
o --ssl*
Options that begin with --ssl specify whether to connect to the server using SSL and
indicate where to find SSL keys and certificates. See Section 6.4.2, "Command Options
for Encrypted Connections".
o --tls-version=protocol_list
The protocols permitted by the client for encrypted connections. The value is a
comma-separated list containing one or more protocol names. The protocols that can be
named for this option depend on the SSL library used to compile MySQL. For details,
see Section 6.4.6, "Encrypted Connection Protocols and Ciphers".
This option was added in MySQL 5.7.10.
o --use-default
Execute noninteractively. This option can be used for unattended installation
operations. This option was added in MySQL 5.7.4.
o --user=user_name, -u user_name
The MySQL user name to use when connecting to the server.
COPYRIGHT
Copyright (C) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
This documentation is free software; you can redistribute it and/or modify it only under
the terms of the GNU General Public License as published by the Free Software Foundation;
version 2 of the License.
This documentation is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with the program;
if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.
SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be
installed locally and which is also available online at http://dev.mysql.com/doc/.
AUTHOR
Oracle Corporation (http://dev.mysql.com/).
MySQL 5.7 06/07/2018 MYSQL_SECURE_INSTALLATION(1)
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