mysqld_selinux(8) mysqld SELinux Policy documentation mysqld_selinux(8)NAMEmysqld_selinux - Security Enhanced Linux Policy for the mysqld pro‐
cesses
DESCRIPTION
Security-Enhanced Linux secures the mysqld processes via flexible
mandatory access control.
BOOLEANS
SELinux policy is customizable based on least access required. mysqld
policy is extremely flexible and has several booleans that allow you to
manipulate the policy and run mysqld with the tightest access possible.
If you want to allow users to connect to the local mysql serve, you
must turn on the allow_user_mysql_connect boolean.
setsebool -P allow_user_mysql_connect 1
If you want to allow mysqld to connect to all port, you must turn on
the mysql_connect_any boolean.
setsebool -P mysql_connect_any 1
NSSWITCH DOMAIN
If you want to allow users to login using a sssd serve for the
mysqld_t, you must turn on the authlogin_nsswitch_use_ldap boolean.
setsebool -P authlogin_nsswitch_use_ldap 1
If you want to allow confined applications to run with kerberos for the
mysqld_t, you must turn on the allow_kerberos boolean.
setsebool -P allow_kerberos 1
If you want to allow system to run with NI for the mysqld_t, you must
turn on the allow_ypbind boolean.
setsebool -P allow_ypbind 1
FILE CONTEXTS
SELinux requires files to have an extended attribute to define the file
type.
You can see the context of a file using the -Z option to ls
Policy governs the access confined processes have to these files.
SELinux mysqld policy is very flexible allowing users to setup their
mysqld processes in as secure a method as possible.
The following file types are defined for mysqld:
mysqld_db_t
- Set files with the mysqld_db_t type, if you want to treat the files
as mysqld database content.
mysqld_etc_t
- Set files with the mysqld_etc_t type, if you want to store mysqld
files in the /etc directories.
Paths:
/etc/my.cnf, /etc/mysql(/.*)?
mysqld_exec_t
- Set files with the mysqld_exec_t type, if you want to transition an
executable to the mysqld_t domain.
Paths:
/usr/libexec/mysqld, /usr/sbin/mysqld(-max)?
mysqld_home_t
- Set files with the mysqld_home_t type, if you want to store mysqld
files in the users home directory.
mysqld_initrc_exec_t
- Set files with the mysqld_initrc_exec_t type, if you want to transi‐
tion an executable to the mysqld_initrc_t domain.
mysqld_log_t
- Set files with the mysqld_log_t type, if you want to treat the data
as mysqld log data, usually stored under the /var/log directory.
mysqld_safe_exec_t
- Set files with the mysqld_safe_exec_t type, if you want to transition
an executable to the mysqld_safe_t domain.
mysqld_tmp_t
- Set files with the mysqld_tmp_t type, if you want to store mysqld
temporary files in the /tmp directories.
mysqld_unit_file_t
- Set files with the mysqld_unit_file_t type, if you want to treat the
files as mysqld unit content.
mysqld_var_run_t
- Set files with the mysqld_var_run_t type, if you want to store the
mysqld files under the /run directory.
Paths:
/var/run/mysqld(/.*)?, /var/lib/mysql/mysql.sock
Note: File context can be temporarily modified with the chcon command.
If you want to permanantly change the file context you need to use the
semanage fcontext command. This will modify the SELinux labeling data‐
base. You will need to use restorecon to apply the labels.
PORT TYPES
SELinux defines port types to represent TCP and UDP ports.
You can see the types associated with a port by using the following
command:
semanage port -l
Policy governs the access confined processes have to these ports.
SELinux mysqld policy is very flexible allowing users to setup their
mysqld processes in as secure a method as possible.
The following port types are defined for mysqld:
mysqld_port_t
Default Defined Ports:
tcp 1186,3306,63132-63164
mysqlmanagerd_port_t
Default Defined Ports:
tcp 2273
PROCESS TYPES
SELinux defines process types (domains) for each process running on the
system
You can see the context of a process using the -Z option to ps
Policy governs the access confined processes have to files. SELinux
mysqld policy is very flexible allowing users to setup their mysqld
processes in as secure a method as possible.
The following process types are defined for mysqld:
mysqld_safe_t, mysqlmanagerd_t, mysqld_t
Note: semanage permissive -a PROCESS_TYPE can be used to make a process
type permissive. Permissive process types are not denied access by
SELinux. AVC messages will still be generated.
COMMANDS
semanage fcontext can also be used to manipulate default file context
mappings.
semanage permissive can also be used to manipulate whether or not a
process type is permissive.
semanage module can also be used to enable/disable/install/remove pol‐
icy modules.
semanage port can also be used to manipulate the port definitions
semanage boolean can also be used to manipulate the booleans
system-config-selinux is a GUI tool available to customize SELinux pol‐
icy settings.
AUTHOR
This manual page was autogenerated by genman.py.
SEE ALSOselinux(8), mysqld(8), semanage(8), restorecon(8), chcon(1) , setse‐
bool(8)dwalsh@redhat.com mysqld mysqld_selinux(8)