IBM Tivoli Directory Server

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IBM Security Directory Server
Developer(s) IBM
Stable release
6.4 / March 2015
Operating system AIX
Platform x86-compatible
IBM System i
IBM System z9
Type Directory service
License Proprietary
Website IBM Tivoli Directory Server

IBM Security Directory Server, formerly known as IBM Directory Server and IBM Tivoli Directory Server, is an IBM implementation of the Lightweight Directory Access Protocol

IBM Security Directory Server is an enterprise directory for corporate intranets and the Internet. IBM Security Directory Server is built to serve as the identity data foundation for rapid development and deployment of Web applications and security and identity management initiatives by including strong management, replication and security features.

Several authentication methods are available with IBM Security Directory Server, beyond basic usernames and passwords. IBM Security Directory Server supports digital certificate-based authentication, the Simple Authentication and Security Layer (SASL), Challenge-Response Authentication Mechanism MD5 (CRAM-MD5), and Kerberos authentication.

IBM Security Directory Server has an LDAP infrastructure that provides a foundation for deploying comprehensive identity management applications and advanced software architectures.


During the product's inception, IBM named its product the IBM SecureWay Directory. This name wasn't changed until the Release 5.1 of the product and was then known as IBM Directory Server. With the next version of the product, Release 5.2, the name was again changed to include the Tivoli in it, and was known as IBM Tivoli Directory Server. The latest release offered as of Mar 2014 is IBM Security Directory Server.


  • Supports millions of entries by leveraging advanced reliability and scalability of IBM DB2 9 technology and built-in proxy server
  • Extends an on demand identity infrastructure to leading business solutions through compliance with LDAP
  • Maintains high availability using robust master/subordinate and peer-to-peer replication capabilities, with up to dozens of master servers
  • Integrates with IBM middleware, identity management and security products, plus leverage open integration with non-IBM offerings
  • Offers end users Web-based access to, and the ability to update, “white pages” information
  • Flexibly supports leading platforms, including IBM AIX, Sun Solaris, Microsoft Windows Server, HP-UX, and SUSE and Red Hat Linux distributions
  • Remote administration of the server through an extensive web-based interface

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