/usr/man/man.8/slapd.8(/usr/man/man.8/slapd.8)
SLAPD(8C) MAINTENANCE COMMANDS SLAPD(8C)
NAME
slapd - Stand-alone LDAP Daemon
SYNOPSIS
LIBEXECDIR/slapd [-[4|6]] [-d debug-level] [-f
slapd-config-file] [-h URLs] [-n service-name] [-s
syslog-level] [-l syslog-local-user] [-r directory] [-u
user] [-g group] [-t] [-c cookie]
DESCRIPTION
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 ETCDIR/slapd.conf, the slapd process will print its pro-
cess ID (see getpid(2)) to a .pid file, as well as the com-
mand 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.
Slapd can be configured to provide replicated service for a
database with the help of slurpd, the standalone LDAP update
replication daemon. See slurpd(8) for details.
See the "OpenLDAP Administrator's Guide" for more details on
slapd.
OPTIONS
-4 Listen on IPv4 addresses only.
-6 Listen on IPv6 addresses only.
-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 termi-
nal. 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 corresponding to a
different kind of debugging information. See <ldap.h>
for details. Remember that if you turn on packet log-
ging, 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 level debugging state-
ments should be logged to the syslog(8) facility.
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SLAPD(8C) MAINTENANCE COMMANDS SLAPD(8C)
-n service-name
Specifies the service name for logging and other pur-
poses. Defaults to basename of argv[0], i.e.: "slapd".
-l syslog-local-user
Selects the local user of the syslog(8) facility.
Values can be LOCAL0, LOCAL1, and so on, up to LOCAL7.
The default is LOCAL4. However, this option is only
permitted on systems that support local users with the
syslog(8) facility.
-f slapd-config-file
Specifies the slapd configuration file. The default is
ETCDIR/slapd.conf.
-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://127.0.0.1:9009/ ldaps:/// ldapi:/// , It will
bind 127.0.0.1:9009 for LDAP, 0.0.0.0:636 for LDAP over
TLS, and LDAP over IPC (Unix domain sockets). Host
0.0.0.0 represents INADDR_ANY. A space separated list
of URLs is expected. The URLs should be of LDAP
(ldap://) or LDAP over TLS (ldaps://) or LDAP over IPC
(ldapi://) scheme without a DN or other optional param-
eters, except an experimental extension to indicate the
permissions of the underlying listeners. Support for
the latter two schemes depends on selected configura-
tion 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. The socket permissions
for LDAP over IPC 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 (note, how-
ever, that sockets only honor the "w" permission),
while any of the "7" can be any legal octal digit,
according to chmod(1). While LDAP over IPC requires
write permissions on the socket to allow any operation,
the other listeners can take advantage of the "x-mod"
extension to apply rough limitations to users, 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 operations
("x", which means bind is required). "User" permis-
sions apply to bound users, while "other" apply to
anonymous users.
-r directory
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SLAPD(8C) MAINTENANCE COMMANDS SLAPD(8C)
Specifies a chroot "jail" directory. slapd will
chdir(2) then chroot(2) to this directory after opening
listeners but before reading any configuration file or
initializing any backend.
-u user
slapd will run slapd with the specified user name or
id, and that user's supplementary group access list as
set with initgroups(3). The group ID is also changed
to this user's gid, unless the -g option is used to
override.
-g group
slapd will run with the specified group name or id.
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.
-t slapd will read the configuration file (the default if
none is given with the -f switch) and check its syntax,
without opening any listener or database.
-c cookie
This option provides a cookie for the syncrepl replica-
tion consumer. The cookie is a comma separated list of
name=value pairs. Currently supported syncrepl cookie
fields are csn, sid, and rid. csn is the commit
sequence number received by a previous synchronization
and represents the state of the consumer replica con-
tent which the syncrepl engine will synchronize to the
current provider content. sid is the identity of the
per-scope session log with which the provider server
can process this syncrepl request to reduce synchroni-
zation traffic. rid identifies a replication thread
within the consumer server and is used to find the syn-
crepl specification in slapd.conf(5) having the match-
ing replication identifier in its definition.
EXAMPLES
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 type:
LIBEXECDIR/slapd
To start slapd with an alternate configuration file, and
turn on voluminous debugging which will be printed on stan-
dard error, type:
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SLAPD(8C) MAINTENANCE COMMANDS SLAPD(8C)
LIBEXECDIR/slapd -f /var/tmp/slapd.conf -d 255
To test whether the configuration file is correct or not,
type:
LIBEXECDIR/slapd -t
SEE ALSO
ldap(3), slapd.conf(5), slapd.access(5), slurpd(8)
"OpenLDAP Administrator's Guide"
(http://www.OpenLDAP.org/doc/admin/)
BUGS
See http://www.openldap.org/its/
ACKNOWLEDGEMENTS
OpenLDAP is developed and maintained by The OpenLDAP Project
(http://www.openldap.org/). OpenLDAP is derived from
University of Michigan LDAP 3.3 Release.
OpenLDAP LDVERSION Last change: RELEASEDATE 4
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