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Manual Reference Pages  -  LDAPPASSWD (1)


ldappasswd - change the password of an LDAP entry


See Also


ldappasswd [ -V[V]] [ -d debuglevel] [ -n] [ -v] [ -A] [ -a oldPasswd] [ -t oldpasswdfile] [ -S] [ -s newPasswd] [ -T newpasswdfile] [ -x] [ -D binddn] [ -W] [ -w passwd] [ -y passwdfile] [ -H ldapuri] [ -h ldaphost] [ -p ldapport] [ -e [!]ext[=extparam]] [ -E [!]ext[=extparam]] [ -o opt[=optparam]] [ -O security-properties] [ -I] [ -Q] [ -N] [ -U authcid] [ -R realm] [ -X authzid] [ -Y mech] [ -Z[Z]] [ user]


ldappasswd is a tool to set the password of an LDAP user. ldappasswd uses the LDAPv3 Password Modify (RFC 3062) extended operation.

ldappasswd sets the password of associated with the user [or an optionally specified user]. If the new password is not specified on the command line and the user doesn’t enable prompting, the server will be asked to generate a password for the user.

ldappasswd is neither designed nor intended to be a replacement for passwd(1) and should not be installed as such.


-V[V] Print version info. If -VV is given, only the version information is printed.
-d debuglevel
  Set the LDAP debugging level to debuglevel. ldappasswd must be compiled with LDAP_DEBUG defined for this option to have any effect.
-n Do not set password. (Can be useful when used in conjunction with -v or -d)
-v Increase the verbosity of output. Can be specified multiple times.
-A Prompt for old password. This is used instead of specifying the password on the command line.
-a oldPasswd
  Set the old password to oldPasswd.
-t oldPasswdFile
  Set the old password to the contents of oldPasswdFile.
-S Prompt for new password. This is used instead of specifying the password on the command line.
-s newPasswd
  Set the new password to newPasswd.
-T newPasswdFile
  Set the new password to the contents of newPasswdFile.
-x Use simple authentication instead of SASL.
-D binddn Use the Distinguished Name binddn to bind to the LDAP directory. For SASL binds, the server is expected to ignore this value.
-W Prompt for bind password. This is used instead of specifying the password on the command line.
-w passwd Use passwd as the password to bind with.
-y passwdfile
  Use complete contents of passwdfile as the password for simple authentication.
-H ldapuri
  Specify URI(s) referring to the ldap server(s); only the protocol/host/port fields are allowed; a list of URI, separated by whitespace or commas is expected.
-h ldaphost
  Specify an alternate host on which the ldap server is running. Deprecated in favor of -H.
-p ldapport
  Specify an alternate TCP port where the ldap server is listening. Deprecated in favor of -H.
-e [!]ext[=extparam]
-E [!]ext[=extparam]

Specify general extensions with -e and passwd modify extensions with -E. '!' indicates criticality.

General extensions:

  [!]assert=<filter>    (an RFC 4515 Filter)
  !authzid=<authzid>    ("dn:<dn>" or "u:<user>")
  [!]bauthzid           (RFC 3829 authzid control)
  [!]postread[=<attrs>] (a comma-separated attribute list)
  [!]preread[=<attrs>]  (a comma-separated attribute list)
  abandon,cancel,ignore (SIGINT sends abandon/cancel,
  or ignores response; if critical, doesn’t wait for SIGINT.
  not really controls)

Passwd Modify extensions:


-o opt[=optparam]]

Specify general options.

General options:

  nettimeout=<timeout>  (in seconds, or "none" or "max")
  ldif-wrap=<width>     (in columns, or "no" for no wrapping)

-O security-properties
  Specify SASL security properties.
-I Enable SASL Interactive mode. Always prompt. Default is to prompt only as needed.
-Q Enable SASL Quiet mode. Never prompt.
-N Do not use reverse DNS to canonicalize SASL host name.
-U authcid
  Specify the authentication ID for SASL bind. The form of the ID depends on the actual SASL mechanism used.
-R realm Specify the realm of authentication ID for SASL bind. The form of the realm depends on the actual SASL mechanism used.
-X authzid
  Specify the requested authorization ID for SASL bind. authzid must be one of the following formats: dn:<distinguished name> or u:<username>.
-Y mech Specify the SASL mechanism to be used for authentication. If it’s not specified, the program will choose the best mechanism the server knows.
-Z[Z] Issue StartTLS (Transport Layer Security) extended operation. If you use -ZZ, the command will require the operation to be successful


ldap_sasl_bind(3), ldap_extended_operation(3), ldap_start_tls_s(3)


The OpenLDAP Project <>


OpenLDAP Software is developed and maintained by The OpenLDAP Project <>. OpenLDAP Software is derived from University of Michigan LDAP 3.3 Release.
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OpenLDAP 2.4.44 LDAPPASSWD (1) 2016/02/05

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