Notes
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The SLAPD (Standalone LDAP Daemon) and SLURPD (Stand-alone LDAP update replication daemon) originally evolved within the long-running project that developed the LDAP protocol. [1] [2] It was developed at the University of Michigan, and was the first Lightweight Directory Access Protocol (LDAP) software. [3]
Today, many LDAP Server Implementations are derived from the same code base of the original SLAPD and/or evolutions of it.
Tim Howes of the University of Michigan, Steve Kille of Isode Limited, Wengyik Yeong of Performance Systems International and Colin Robbins of Nexor authored the original LDAP specification. [4] [5] In 1993, initial implementations of the LDAP standard were made by Howes at the University of Michigan, in the form of LDAPD as a proxy for the Quipu X.500 directory and SLAPD.
In 1996 Netscape Communications Corporation hired several of the project's developers, who then worked on what became known as the Netscape Directory Server. [3]
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Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. Windows Server operating systems include it as a set of processes and services. Originally, only centralized domain management used Active Directory. However, it ultimately became an umbrella title for various directory-based identity-related services.
The Lightweight Directory Access Protocol is an open, vendor-neutral, industry standard application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network. Directory services play an important role in developing intranet and Internet applications by allowing the sharing of information about users, systems, networks, services, and applications throughout the network. As examples, directory services may provide any organized set of records, often with a hierarchical structure, such as a corporate email directory. Similarly, a telephone directory is a list of subscribers with an address and a phone number.
X.500 is a series of computer networking standards covering electronic directory services. The X.500 series was developed by the Telecommunication Standardization Sector of the International Telecommunication Union (ITU-T). ITU-T was formerly known as the Consultative Committee for International Telephony and Telegraphy (CCITT). X.500 was first approved in 1988. The directory services were developed to support requirements of X.400 electronic mail exchange and name lookup. The International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC) were partners in developing the standards, incorporating them into the Open Systems Interconnection suite of protocols. ISO/IEC 9594 is the corresponding ISO/IEC identification.
In computer networking, the Name/Finger protocol and the Finger user information protocol are simple network protocols for the exchange of human-oriented status and user information.
The Network Information Service, or NIS, is a client–server directory service protocol for distributing system configuration data such as user and host names between computers on a computer network. Sun Microsystems developed the NIS; the technology is licensed to virtually all other Unix vendors.
OpenLDAP is a free, open-source implementation of the Lightweight Directory Access Protocol (LDAP) developed by the OpenLDAP Project. It is released under its own BSD-style license called the OpenLDAP Public License.
In computing, a directory service or name service maps the names of network resources to their respective network addresses. It is a shared information infrastructure for locating, managing, administering and organizing everyday items and network resources, which can include volumes, folders, files, printers, users, groups, devices, telephone numbers and other objects. A directory service is a critical component of a network operating system. A directory server or name server is a server which provides such a service. Each resource on the network is considered an object by the directory server. Information about a particular resource is stored as a collection of attributes associated with that resource or object.
The ISODE software, more formally the ISO Development Environment, was an implementation of the OSI upper layer protocols, from transport layer to application layer, which was used in the Internet research community to experiment with implementation and deployment of OSI during the late 1980s and early 1990s.
NIS+ is a directory service developed by Sun Microsystems to replace its older 'NIS'. It is designed to eliminate the need for duplication across many computers of configuration data such as user accounts, host names and addresses, printer information and NFS disk mounts on individual systems, instead using a central repository on a master server, simplifying system administration. NIS+ client software has been ported to other Unix and Unix-like platforms.
The 389 Directory Server is a Lightweight Directory Access Protocol (LDAP) server developed by Red Hat as part of the community-supported Fedora Project. The name "389" derives from the port number used by LDAP.
The LDAP Data Interchange Format (LDIF) is a standard plain text data interchange format for representing Lightweight Directory Access Protocol (LDAP) directory content and update requests. LDIF conveys directory content as a set of records, one record for each object. It also represents update requests, such as Add, Modify, Delete, and Rename, as a set of records, one record for each update request.
The Network Time Protocol daemon (ntpd) is an operating system program that maintains the system time in synchronization with time servers using the Network Time Protocol (NTP).
Apache Directory is an open source project of the Apache Software Foundation. The Apache Directory Server, originally written by Alex Karasulu, is an embeddable directory server entirely written in Java. It was certified LDAPv3-compatible by The Open Group in 2006. Besides LDAP, the server supports other protocols as well, and a Kerberos server.
Tim Howes is a software engineer, entrepreneur and author. He is the co-creator of the Lightweight Directory Access Protocol (LDAP), the Internet standard for accessing directory servers. He co-founded enterprise software company Opsware, internet browser company Rockmelt, and children's education company, Know Yourself. He has co-authored two books, several Internet RFCs, and holds several patents.
DIXIE is an obsolete protocol for accessing X.500 directory services. DIXIE was intended to provide a lightweight means for clients to access X.500 directory services. DIXIE allowed TCP/IP clients to connect a DIXIE-to-DAP gateway which would provide access to the X.500 Directory Service. This design allows the client to access the directory without requiring it to support the cumbersome Open Systems Interconnection protocol stack.
JXplorer is a free, open-source client for browsing Lightweight Directory Access Protocol (LDAP) servers and LDAP Data Interchange Format (LDIF) files. It is released under an Apache-equivalent license. JXplorer is written in Java and is platform independent, configurable, and has been translated into a number of languages. In total, as of 2018, JXplorer has been downloaded over 2 million times from SourceForge and is bundled with several Linux distributions.
A CCSO name-server or Ph protocol was an early form of database search on the Internet. In its most common form it was used to look up information such as telephone numbers and email addresses. Today this service has been largely replaced by LDAP. It was used mainly in the early-to-middle 1990s. The name-server was developed by Steve Dorner at the University of Illinois at Urbana–Champaign, at the university's Computing and Communications Services Office (CCSO).
Json2Ldap is a JSON-to-LDAP gateway software, written in Java and developed by Nimbus Directory Services. It provides a JSON-RPC 2.0 interface for web clients to access one or more LDAP v3 - compatible directories. The Json2Ldap web API supports the standard LDAP directory requests as well as several extended operations and controls.
Colin Robbins is a network protocol and software engineer credited for research work in distributed directory systems and a co-inventor of LDAP. Educated at Alleyn's School, he holds a BSc, Computer Science & Electronic Engineering, with first class honours, from University College London.