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IT Atlas

Protocol

LDAP

Directory queries and binds

Port 389TCP / UDPEncrypted: Optional

Record

Ports
389
Transport
TCP / UDP
Encryption
Optional
Typical use
Application directory lookups and authentication

Security considerations

Use LDAPS or StartTLS; enforce signing and channel binding

Where this protocol is explained

LDAP

Lightweight Directory Access Protocol is the query and update protocol for directory services, running on TCP/389 or TCP/636 for LDAPS.

Topics that use this protocol

Active Directory

Microsoft's on premises directory service, providing authentication, authorisation, policy and object management for Windows environments.

LDAP

Lightweight Directory Access Protocol is the query and update protocol for directory services, running on TCP/389 or TCP/636 for LDAPS.

Other protocols over TCP / UDP

KerberosKerberos kpasswdRDP

In the knowledge graph

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Explore LDAP in the knowledge graph