Red Hat Directory Server 8.0 Administrator's Guide

Attribute Name Definition
Shorter passwords are easier to crack.
Passwords can be two (2) to 512 characters
long. Generally, a length of eight characters is
long enough to be difficult to crack but short
enough for users to remember without writing
it down. This attribute is set to 8 by default.
passwordMaxRepeats This attribute set the maximum number of
times that the same character can be used in
row, such as aaaaa. Setting the attribute to 0
means that there is no limit on how many time
a character can be repeated. This attribute is
set to 0 by default.
passwordMinAlphas This attribute sets the minimum number of
alphabetic chracters that must be used in the
password. This setting does not set any
requirements for the letter case; requirements
for the minimum number of lowercase and
uppercase letters are set in the
passwordMinLower and passwordMinUpper
attributes, respectively. By default, this
attribute is set to 0, meaning there is no
required minimum.
passwordMinDigits This attribute sets the minimum number of
numeric characters (0 through 9) which must
be used in the password. By default, this
attribute is set to 0, meaning there is no
required minimum.
passwordMinSpecials This attribute sets the minimum number of
special ASCII characters, such as !@#$.,
which must be used in the password. By
default, this attribute is set to 0, meaning
there is no required minimum.
passwordMinLowers This attribute sets the minimum number of
lower case alphabetic characters, a to z,
which must be used in the password. By
default, this attribute is set to 0, meaning
there is no required minimum.
passwordMinCategories This attribute sets the minimum number of
categories which must be used in the
password. There are eight categories
available:
Uppercase letters (A to Z)
Chapter 7. Managing User Accounts and Passwords
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