Query: slappasswd
OS: redhat
Section: 8c
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
SLAPPASSWD(8C) SLAPPASSWD(8C)NAMEslappasswd - OpenLDAP password utilitySYNOPSIS/usr/sbin/slappasswd [-v] [-u] [-s secret] [-h hash] [-c salt-format]DESCRIPTIONSlappasswd is used to generate an userPassword value suitable for use with ldapmodify(1) or slapd.conf(5) rootpw configuration directive.OPTIONS-v enable verbose mode. -u Generate RFC2307 userPassword values (the default). Future versions of this program may generate alternative syntaxes by default. This option is provided for forward compatibility. -s secret The secret to hash. If not provided, the user will be prompted for the secret to hash. -h scheme If -h is specified, one of the following RFC2307 schemes may be specified: {CRYPT}, {MD5}, {SMD5}, {SSHA}, and {SHA}. The default is {SSHA}. -c crypt-salt-format Specify the format of the salt passed to crypt(3) when generating {CRYPT} passwords. This string needs to be in sprintf(3) format and may include one (and only one) %s conversion. This conversion will be substituted with a string random characters from [A-Za-z0-9./]. For example, "%.2s" provides a two character salt and "$1$%.8s" tells some versions of crypt(3) to use an MD5 algo- rithm and provides 8 random characters of salt. The default is "%s", which provides 31 characters of salt.LIMITATIONSThe practice storing hashed passwords in userPassword violates Standard Track (RFC2256) schema specifications and may hinder interoperabil- ity. A new attribute type to hold hashed passwords is needed.SECURITY CONSIDERATIONSUse of hashed passwords does not protect passwords during protocol transfer. TLS or other eavesdropping protections should be inplace before using LDAP simple bind. The hashed password values should be protected as if they were clear text passwords.SEE ALSOldappasswd(1), ldapmodify(1), slapd(8) slapd.conf(5) "OpenLDAP Administrator's Guide" (http://www.OpenLDAP.org/doc/admin/)ACKNOWLEDGEMENTSOpenLDAP is developed and maintained by The OpenLDAP Project (http://www.openldap.org/). OpenLDAP is derived from University of Michigan LDAP 3.3 Release. OpenLDAP 2.0.27-Release 20 August 2000 SLAPPASSWD(8C)
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