Red Hat Directory Server 8.0 Release Notes [2008].pdf

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Red Hat Directory Server 8.0
Release Notes
Red Hat Documentation Team
Copyright
©
2008 Red Hat, Inc.
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Abstract
These Release Notes contain important information available at the time of the
release of Red Hat Directory Server 8.0. New features, system requirements,
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Red Hat Directory Server 8.0 Release Notes
installation notes, known problems, resources, and other current issues are
addressed here. Read this document before beginning to use Directory Server
8.0.
1. New in Red Hat Directory Server 8.0 ....................................................................... 2
2. System Requirements ............................................................................................ 4
3. Installing Directory Server 8.0 ................................................................................. 6
4. Bugs Fixed in Directory Server 8.0 .......................................................................... 7
5. Known Issues .......................................................................................................11
1. New in Red Hat Directory Server 8.0
Directory Server 8.0 includes several new features for enhanced authentication and password
security, changed platform support, and support for IPv6 clients. Directory Server 8.0 also
introduces a new, standards-based filesystem architecture.
Section 1.1, “Adaptation to Filesystem Hierarchy Standards”
Section 1.2, “New Password Hashing Algorithms Support”
Section 1.3, “Improved SASL Support for Kerberos Authentication”
Section 1.4, “Enhanced Password Syntax Checking”
Section 1.6, “Changed Platform Support”
Section 1.5, “Support for IPv6”
1.1. Adaptation to Filesystem Hierarchy Standards
Directory Server 8.0 components have been split into multiple, separate components. Rather
than being installed into a single installation directory, Directory Server follows the Filesystem
Hierarchy Standard (FHS), which distributes the libraries and files. This new FHS layout more
closely integrates Directory Server with its base operating system and leverages existing
platform components, such as the Apache web server. The FHS layout will also minimize the
overhead of creating and deploying patches and updates.
1.2. New Password Hashing Algorithms Support
The existing SHA support in Directory Server has been extended to support for
SHA-256
,
SHA-384
,
SHA-512
, and
MD5
algorithms. These algorithms are used for hashed password
storage to offset any potential insecurities in the existing SHA-1 hashing algorithm.
1.3. Improved SASL Support for Kerberos Authentication
Directory Server 8.0 extends and strengthens its support for SASL authentication using the
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Enhanced Password Syntax Checking
GSS-API
to a Kerberos domain. Additional SASL tools have been added to the Mozilla LDAP C
SDK.
1.4. Enhanced Password Syntax Checking
Password syntax checking
enforces rules for password strings, so that any password has to
meet or exceed certain criteria. Directory Server 8.0 adds password syntax checking to better
enforce its password policies. All password syntax checking can be applied globally, per
subtree, or per user.
In changes to the default password policies, the default minimum password length in Directory
Server 8.0 has been set to eight characters, and checks for trivial words has been improved. A
trivial word is any value stored in the
uid
,
cn
,
sn
,
givenName
,
ou
, or
mail
attributes of the user's
entry. Additionally, Directory Server 8.0 includes more password enforcement options, providing
different optional categories for the password syntax:
• Minimum number of digit characters (0-9)
• Minimum number of ASCII alphabetic characters, both upper- and lower-case
• Minimum number of uppercase ASCII alphabetic characters
• Minimum number of lowercase ASCII alphabetic characters
• Minimum number of special ASCII characters, such as
!@#$
• Minimum number of 8-bit characters
• Maximum number of times that the same character can be immediately repeated, such as
aaabbb
• Minimum number of character categories required per password; a category can be upper- or
lower-case letters, special characters, digits, or 8-bit characters
1.5. Support for IPv6
Directory Server 8.0 accepts incoming connections from IPv6 clients. Additionally, IPv6 support
has been added to the LDAP SDK, so many command-line tools and scripts included with
Directory Server 8.0 can understand and use IPv6 addresses.
NOTE
Directory Server will not interpret IPv6 addresses in access control instructions or
use IPv6 connections for operations such as replication and chaining.
1.6. Changed Platform Support
3
Red Hat Directory Server 8.0 Release Notes
Directory Server 8.0 is supported on the following platforms:
• HP-UX 11i Itanium/IPF
• Red Hat Enterprise Linux 4 i386 (32-bit)
• Red Hat Enterprise Linux 4 x86_64 (64-bit)
• Red Hat Virtualization Server 5 i386 (32-bit)
• Red Hat Virtualization Server 5 x86_64 (64-bit)
NOTE
Red Hat Directory Server 8.0 is supported running on a virtual guest on Red Hat
Virtualization Server 5.
• Sun Solaris 9 (SPARC v9, 64-bit)
2. System Requirements
This section contains information related to installing and upgrading Red Hat Directory Server
8.0, including prerequisites and hardware or platform requirements.
2.1. Perl Prerequisites
Directory Server 8.0 does not package
nsperl
with the product.
perldap
should work with the
version of
perl
pre-installed on the system.
There are some prerequisites for
perl
to run
perldap
with the pre-installed version.
• For Red Hat Enterprise Linux systems, use the Perl version that is installed with the operating
system in
/usr/bin/perl
for both 32-bit and 64-bit versions of Red Hat Directory Server.
• On Solaris systems, Red Hat Directory Server is installed with a Perl package,
RHATperlx
,
that must be used. This package contains a 64-bit version of Perl 5.8. It is not possible to use
the Perl version installed in
/usr/bin/perl
on Solaris because it is 32 bit and will not work
with Directory Server's 64-bit components.
• On HP-UX, Red Hat Directory Server uses the Perl version installed with the operating
system in
/opt/perl_64/bin/perl
. Contact Hewlett-Packard support if this Perl version is
not installed.
2.2. Directory Server Supported Platforms
4
Directory Server Console Supported
Directory Server 8.0 is supported on the following platforms:
• HP-UX 11i Itanium/IPF
• Red Hat Enterprise Linux 4 i386 (32-bit)
• Red Hat Enterprise Linux 4 x86_64 (64-bit)
• Red Hat Virtualization Server 5 i386 (32-bit)
• Red Hat Virtualization Server 5 x86_64 (64-bit)
NOTE
Red Hat Directory Server 8.0 is supported running on a virtual guest on Red Hat
Virtualization Server 5.
• Sun Solaris 9 (SPARC v9, 64-bit)
2.3. Directory Server Console Supported Platforms
The Directory Server Console is supported on the following platforms:
• HP-UX 11i Itanium/IPF
• Red Hat Enterprise Linux 4 i386 (32-bit)
• Red Hat Enterprise Linux 4 x86_64 (64-bit)
• Red Hat Virtualization Server 5 i386 (32-bit)
• Red Hat Virtualization Server 5 x86_64 (64-bit)
• Sun Solaris 9 (SPARC v9, 64-bit)
• Windows XP
• Windows 2000 Server
• Windows 2003 Server
NOTE
The Directory Server Console can be installed on additional Windows platforms
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