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NetBSD 6.1.5 - man page for passwd.conf (netbsd section 5)

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PASSWD.CONF(5)			     BSD File Formats Manual			   PASSWD.CONF(5)

NAME
     passwd.conf -- password encryption configuration file

SYNOPSIS
     passwd.conf

DESCRIPTION
     The /etc/passwd.conf file, consisting of ``stanzas'', describes the configuration of the
     password cipher used to encrypt local or YP passwords.

     There are default, user and group specific stanzas.  If no user or group stanza to a spe-
     cific option is available, the default stanza is used.

     To differentiate between user and group stanzas, groups are prefixed with a single colon
     (':').

     Some fields and their possible values that can appear in this file are:

     localcipher  The cipher to use for local passwords.

		  Possible values are: ``old'', ``newsalt,<rounds>'', ``md5'', ``sha1,<rounds>'',
		  and ``blowfish,<rounds>''.  For ``newsalt'' the value of rounds is a 24-bit
		  integer with a minimum of 7250 rounds.  For ``sha1'' the value of rounds is a
		  32-bit integer, 0 means use the default of 24680.  For ``blowfish'' the value
		  can be between 4 and 31.  It specifies the base 2 logarithm of the number of
		  rounds.

		  If not specified, the default value is ``old''.

     ypcipher	  The cipher to use for YP passwords.

		  The possible values are the same as for localcipher.

		  If not specified, the default value is ``old''.

     To retrieve information from this file use pw_getconf(3).

FILES
     /etc/passwd.conf

EXAMPLES
     Use SHA1 as the local cipher and old-style DES as the YP cipher.  Use blowfish with 2^5
     rounds for root:

      default:
	   localcipher = sha1
	   ypcipher = old

      root:
	   localcipher = blowfish,5

SEE ALSO
     passwd(1), pwhash(1), pw_getconf(3), passwd(5)

HISTORY
     The passwd.conf configuration file first appeared in NetBSD 1.6.

     The default value of localcipher was set to ``sha1'' in /etc/passwd.conf starting from
     NetBSD 6.0.

BSD					 December 3, 2010				      BSD
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