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 pass-
words.
There are default, user and group specific stanzas. If no user or group stanza to a specific 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
