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The default protocol commonly used in directory services is LDAP (Lightweight Directory Access Protocol).
LDAP is widely implemented for querying and modifying directory services such as Microsoft Active Directory, Novell eDirectory, and OpenLDAP. It works over TCP/IP and is optimized for reading, writing, and searching directory data like user information, devices, and access control entries.
Other protocols you mentioned have different roles:
NTLM: Authentication protocol
SMTP: Used for sending emails
RPC: Remote procedure calls, often used with Windows services
If you're working on systems that also involve email notifications or account provisioning via directory services, having a robust SMTP setup is equally important.
For that, you might want to explore SMTPWire — a reliable SMTP service for transactional and bulk email delivery.
Visit: smtpwire [dot] com
It integrates well with systems that rely on LDAP or Active Directory and ensures your email alerts, verifications, and access-related communications are delivered reliably.
What else can I help you with?
What is a protocol used to access information stored in a directory?
A commonly used **protocol to access information stored in a directory** is **LDAP (Lightweight Directory Access Protocol)**. What is LDAP? LDAP is an **application protocol** used to access and maintain **distributed directory information services** over an Internet Protocol (IP) network. It is used for **querying and modifying items** in directory services like **Active Directory**, *OpenLDAP*, and others. Example Use Cases: User authentication in networks Accessing email address directories Managing organizational hierarchies or permissions
The authentication protocol used by windows 2000 and later computers in a domain is called?
LDAP (Lightweight Directory Access Protocol ) is a protocol that is used for authentication in domain
Which protocol is used when an application queries a database on a corporate network such as a database of printers?
• LDAP (Lightweight Directory Access Protocol)
What does LDAP do?
LDAP (Lightweight Directory Access Protocol) is a simplified version of the DAP(Directory Access Protocol) protocol, which is used to gain access to X.500 directories. X.500 (an international standard) is very comprehensive and for certain tasks a little cumbersom to implement and use.Support for LDAP is implemented in Web browsers and e-mail programs, to enable query of an LDAP-compliant directory (e.g. for the user names in a mail system). LDAPis therfore a sibling protocol to HTTP and FTP and uses the 'ldap://' prefix in its URL (like http:// or ftp://).Answer:LDAP is a client-server protocol for accessing a directory service. It was initially used as a front-end to X.500, but can also be used with stand-alone and other kinds of directory servers.
What is A Free Alternative to Active Directory?
LDAP (Lightweight Directory Access Protocol) often used in Unix and Linux environments, Active Directory is based on LDAP.
Which protocol is used to invoke web services?
Wsdi.soap.uddi
What is the default authentication protocol in an Active Directory network?
kerberos version 5 NTLM protocols are used by AD
What is TCP port 389?
TCP port 389 is commonly used for Lightweight Directory Access Protocol (LDAP)
What MMC is used to create sites?
Active Directory Sites and Services
What is used to manage security tokens?
Active Directory Federation Services
Which transport layer protocol is used for critical voip services?
UDP
What is the full meaning of UDDI?
Universal Description, Discovery and Invocation - A directory service used in conjunction with SOAP and WSDL to comprise the component technologies for Web services. Along with the language and protocol of XML and HTTP give the most popular base set of technologies on which Web Services are developed.
