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SLAPD(8C)							     SLAPD(8C)

       slapd - Stand-alone LDAP	Daemon

       /usr/local/libexec/slapd	      [-4|-6]	    [-T	{acl|a[dd]|auth|c[at]|
       d[n]|i[ndex]|p[asswd]|s[chema]|t[est]}] [-d debug-level]	[-f slapd-con-
       fig-file]   [-F slapd-config-directory]	 [-h URLs]   [-n service-name]
       [-s syslog-level] [-l syslog-local-user]	[-o option[=value]] [-r	direc-
       tory] [-u user] [-g group] [-c cookie]

       Slapd  is  the stand-alone LDAP daemon. It listens for LDAP connections
       on any number of	ports (default 389), responding	to the LDAP operations
       it receives over	these connections.  slapd is typically invoked at boot
       time, usually out of /etc/rc.local.  Upon startup, slapd	normally forks
       and  disassociates  itself from the invoking tty.  If configured	in the
       config file (or config directory), the slapd  process  will  print  its
       process	ID (see	getpid(2)) to a	.pid file, as well as the command line
       options during invocation to an .args file (see slapd.conf(5)).	If the
       -d  flag	 is  given, even with a	zero argument, slapd will not fork and
       disassociate from the invoking tty.

       See the "OpenLDAP Administrator's Guide"	for more details on slapd.

       -4     Listen on	IPv4 addresses only.

       -6     Listen on	IPv6 addresses only.

       -T tool
	      Run in Tool mode.	The tool argument selects whether  to  run  as
	      slapadd,	slapcat, slapdn, slapindex, slappasswd,	slapschema, or
	      slaptest (slapacl	and slapauth need  the	entire	acl  and  auth
	      option  value  to	 be spelled out, as a is reserved to slapadd).
	      This option should be the	first  option  specified  when	it  is
	      used;  any  remaining  options will be interpreted by the	corre-
	      sponding slap tool program,  according  to  the  respective  man
	      pages.   Note  that these	tool programs will usually be symbolic
	      links to slapd.  This option is provided	for  situations	 where
	      symbolic links are not provided or not usable.

       -d debug-level
	      Turn  on debugging as defined by debug-level.  If	this option is
	      specified, even with a zero argument, slapd  will	 not  fork  or
	      disassociate from	the invoking terminal.	Some general operation
	      and status messages are printed for any  value  of  debug-level.
	      debug-level  is taken as a bit string, with each bit correspond-
	      ing  to  a  different  kind  of  debugging   information.	   See
	      <ldap_log.h>  for	 details.   Comma-separated arrays of friendly
	      names can	be specified to	select debugging output	of the	corre-
	      sponding debugging information.  All the names recognized	by the
	      loglevel directive described in slapd.conf(5) are	supported.  If
	      debug-level  is  ?, a list of installed debug-levels is printed,
	      and slapd	exits.

	      Remember that if you turn	on packet logging, packets  containing
	      bind  passwords  will be output, so if you redirect the log to a
	      logfile, that file should	be read-protected.

       -s syslog-level
	      This option tells	slapd at what debug-level debugging statements
	      should  be  logged to the	syslog(8) facility.  The value syslog-
	      level can	be set to any value or combination allowed by  the  -d
	      switch.  Slapd logs all messages selected	by syslog-level	at the
	      syslog(3)	severity debug-level DEBUG, on the unit	specified with

       -n service-name
	      Specifies	 the  service  name  for  logging  and other purposes.
	      Defaults to basename of argv[0], i.e.: "slapd".

       -l syslog-local-user
	      Selects the local	user of	the syslog(8) facility.	Value  can  be
	      LOCAL0, through LOCAL7, as well as USER and DAEMON.  The default
	      is LOCAL4.  However, this	option is only	permitted  on  systems
	      that  support  local users with the syslog(8) facility.  Logging
	      to syslog(8) occurs at the "DEBUG" severity debug-level.

       -f slapd-config-file
	      Specifies	 the  slapd  configuration  file.   The	  default   is

       -F slapd-config-directory
	      Specifies	 the  slapd  configuration  directory.	The default is
	      /usr/local/etc/openldap/slapd.d.	If both	-f and -F  are	speci-
	      fied,  the  config  file	will  be  read and converted to	config
	      directory	format and written to  the  specified  directory.   If
	      neither  option  is  specified,  slapd  will attempt to read the
	      default config directory before trying to	use the	default	config
	      file. If a valid config directory	exists then the	default	config
	      file is ignored. All of the  slap	 tools	that  use  the	config
	      options observe this same	behavior.

       -h URLlist
	      slapd  will  by  default	serve  ldap:///	 (LDAP over TCP	on all
	      interfaces on default LDAP port).	 That is, it will  bind	 using
	      INADDR_ANY  and  port 389.  The -h option	may be used to specify
	      LDAP (and	other scheme) URLs to serve.  For example, if slapd is
	      given  -h	 "ldap:// ldaps:/// ldapi:///", it will
	      listen on for LDAP,  for  LDAP  over
	      TLS, and LDAP over IPC (Unix domain sockets).  Host rep-
	      resents INADDR_ANY (any interface).  A space separated  list  of
	      URLs  is	expected.   The	 URLs should be	of the LDAP, LDAPS, or
	      LDAPI schemes, and generally without  a  DN  or  other  optional
	      parameters (excepting as discussed below).  Support for the lat-
	      ter two  schemes	depends	 on  selected  configuration  options.
	      Hosts may	be specified by	name or	IPv4 and IPv6 address formats.
	      Ports, if	specified, must	be numeric.  The default ldap://  port
	      is 389 and the default ldaps:// port is 636.

	      For  LDAP	 over IPC, name	is the name of the socket, and no port
	      is required, nor allowed;	note that directory separators must be
	      URL-encoded, like	any other characters that are special to URLs;
	      so the socket


	      must be specified	as


	      The default location for the IPC socket is /var/db/run/ldapi

	      The listener permissions are  indicated  by  "x-mod=-rwxrwxrwx",
	      "x-mod=0777"  or	"x-mod=777", where any of the "rwx" can	be "-"
	      to suppress the related permission, while	any of the "7" can  be
	      any legal	octal digit, according to chmod(1).  The listeners can
	      take advantage of	the "x-mod" extension to apply	rough  limita-
	      tions  to	 operations,  e.g.  allow  read	operations ("r", which
	      applies to search	and compare),  write  operations  ("w",	 which
	      applies  to  add,	delete,	modify and modrdn), and	execute	opera-
	      tions ("x", which	means bind is required).   "User"  permissions
	      apply  to	 authenticated users, while "other" apply to anonymous
	      users;  "group"	permissions   are   ignored.	For   example,
	      "ldap:///????x-mod=-rw-------" means that	read and write is only
	      allowed for authenticated	connections, and bind is required  for
	      all  operations.	 This feature is experimental, and requires to
	      be manually enabled at configure time.

       -r directory
	      Specifies	a directory to become the root directory.  slapd  will
	      change  the current working directory to this directory and then
	      chroot(2)	to this	directory.  This is done after opening listen-
	      ers  but	before	reading	any configuration file or initializing
	      any backend.  When used as a security mechanism,	it  should  be
	      used in conjunction with -u and -g options.

       -u user
	      slapd  will  run	slapd  with the	specified user name or id, and
	      that user's supplementary	group access list as  set  with	 init-
	      groups(3).   The	group  ID  is also changed to this user's gid,
	      unless the -g option is used to override.	 Note when  used  with
	      -r, slapd	will use the user database in the change root environ-

	      Note that	on some	systems, running as a non-privileged user will
	      prevent passwd back-ends from accessing the encrypted passwords.
	      Note also	that any shell back-ends will  run  as	the  specified
	      non-privileged user.

       -g group
	      slapd  will  run with the	specified group	name or	id.  Note when
	      used with	-r, slapd will use the group database  in  the	change
	      root environment.

       -c cookie
	      This  option provides a cookie for the syncrepl replication con-
	      sumer.  The cookie is  a	comma  separated  list	of  name=value
	      pairs.  Currently	supported syncrepl cookie fields are rid, sid,
	      and csn.	rid identifies a replication thread  within  the  con-
	      sumer  server  and is used to find the syncrepl specification in
	      slapd.conf(5) or slapd-config(5) having the matching replication
	      identifier  in its definition. The rid must be provided in order
	      for any other specified values to	be used.  sid is the server id
	      in  a multi-master/mirror-mode configuration.  csn is the	commit
	      sequence number received by a previous synchronization and  rep-
	      resents the state	of the consumer	replica	content	which the syn-
	      crepl engine will	synchronize to the current  provider  content.
	      In  case	of  mirror-mode	or multi-master	replication agreement,
	      multiple csn values, semicolon separated,	can appear.  Use  only
	      the rid part to force a full reload.

       -o option[=value]
	      This  option provides a generic means to specify options without
	      the need to reserve a separate letter for	them.

	      It supports the following	options:

		     When SLP support  is  compiled  into  slapd,  disable  it
		      enable it	by registering at SLP DAs without specific SLP
		     attributes	(on), or with  specific	 SLP  attributes  slp-
		     attrs  that  must	be  an	SLP  attribute list definition
		     according to the SLP standard.

		     For  example,  "slp=(tree=production),(server-type=OpenL-
		     DAP),(server-version=2.4.15)"  registers  at SLP DAs with
		     the three SLP attributes tree,  server-type  and  server-
		     version  that  have  the values given above.  This	allows
		     one to specifically query the SLP DAs  for	 LDAP  servers
		     holding  the  production  tree in case multiple trees are

       To start	slapd and have it fork and detach from the terminal and	 start
       serving	the  LDAP  databases  defined in the default config file, just


       To start	slapd with an alternate	configuration file, and	turn on	 volu-
       minous debugging	which will be printed on standard error, type:

	    /usr/local/libexec/slapd -f	/var/tmp/slapd.conf -d 255

       To test whether the configuration file is correct or not, type:

	    /usr/local/libexec/slapd -Tt

       ldap(3),	 slapd.conf(5),	 slapd-config(5), slapd.access(5), slapacl(8),
       slapadd(8), slapauth(8),	 slapcat(8),  slapdn(8),  slapindex(8),	 slap-
       passwd(8), slapschema(8), slaptest(8).

       "OpenLDAP Administrator's Guide"	(


       OpenLDAP	 Software  is developed	and maintained by The OpenLDAP Project
       <>.  OpenLDAP Software is derived from the Uni-
       versity of Michigan LDAP	3.3 Release.

OpenLDAP 2.4.45			  2017/06/01			     SLAPD(8C)


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