Defining Directory Service Security Architecture

Feb 20, 2004

📄 Contents

␡

Understanding Directory Server Security
Understanding the SASL Mechanism
GSSAPI Authentication and Kerberos v5
TLSv1/SSL Protocol Support
Enhanced Solaris OE PAM Features
Secured LDAP Client Backport to the Solaris 8 OE

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This chapter is from the book 

LDAP in the Solaris Operating Environment: Deploying Secure Directory Services

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Secured LDAP Client Backport to the Solaris 8 OE

Now that we have touched on the Solaris 9 OE Secured LDAP clients, which have the option to use TLSv1 and SASL/DIGEST-MD5 for authentication, we can discuss what has been done with the Solaris 8 OE LDAP clients. Initially as previously discussed, the Solaris 8 OE LDAP clients relied on clear text passwords or the less secure SASL/CRAM-MD5 for authentication. This is obviously not desirable for customers that wanted to deploy a secure naming service, and also maintain equal and matching functionality in both the Solaris 8 and 9 OE.

The Sun ONE directory server does not support SASL/CRAM-MD5.

With this in mind, Sun backported the Secured LDAP Client found in the Solaris 9 OE to the Solaris 8 OE to provide TLSv1/ and SASL/DIGEST-MD5 support for the LDAP client. The following lists what functionality has been backported:

The configuration of the directory server (LDAP) setup has been simplified with the use of idsconfig.
A more robust security model that supports strong authentication and Transport Layer Security (TLS) encrypted sessions. A client’s proxy credentials are no longer stored in a client s profile on the directory server.
The ldapaddent command allows you to populate and dump data onto the server.
Service search descriptors and attribute mapping
New profile schema
PAM Framework including account management
Updated man pages include:
- ldaplist(1)
- ldapaddent(1)
- pam_authok_check(5)
- pam_authok_get(5)
- pam_authok_store(5)
- pam_passwd_auth(5)
- pam_unix_auth(5)
- pam_conf(4)

You can obtain the Secured LDAP Client Backport for the Solaris 8 OE from:

http://sunsolve.sun.com/pub-cgi/show.pl?target=patches/patch-access

In the Enter a Patch ID field, enter one of the following patches:

108993-xx (SPARC™ systems)
108994-xx (x86 systems)

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