Skip to content
IT Atlas

Protocol

Global Catalog

Forest wide directory search

Port 3268 / 3269TCPEncrypted: Optional

Record

Ports
3268, 3269
Transport
TCP
Encryption
Optional
Typical use
Multi domain AD lookups

Security considerations

Prefer 3269 (TLS); restrict to trusted application sources

Where this protocol is explained

Active Directory

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

Topics that use this protocol

Active Directory

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

Other protocols over TCP

DNS over TLSFTPFTPSHTTPIMAP / IMAPSKubernetes APILDAPSMicrosoft SQL ServerMySQL / MariaDBOracle TNS

In the knowledge graph

Open the interactive map centred on this entity to see everything it connects to and travel outwards from there.

Explore Global Catalog in the knowledge graph