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Domain-first learning paths for LDAP fundamentals, Active Directory, OpenLDAP, and Node.js implementation work.
LDAP
Core protocol concepts, directory structure, DNs, filters, and connection security.
- How LDAP Works
- LDAP Terminology and Core Concepts
- LDAP Architecture
LDAP filters
Filter syntax, Boolean composition, matching rules, escaping, and safe query patterns.
- LDAP Filter Syntax
- LDAP Equality, Presence, and Substring Filters
- LDAP AND, OR, and NOT Filters
LDAP security
LDAPS, StartTLS, certificates, signing, channel binding, and transport security.
- How LDAP Encryption Works
- How LDAPS Works
- LDAP Ports 389 and 636
Active Directory
How Microsoft's LDAP implementation models domains, users, groups, and bind failures.
- Active Directory Domains, Trees, and Forests
- Active Directory Domain Controllers
- Active Directory Sites and Services
OpenLDAP
Directory-server specifics, schema, and operational concepts for OpenLDAP environments.
- How OpenLDAP Works
- OpenLDAP Architecture
- OpenLDAP Directory Structure
Microsoft Entra ID
Cloud identity concepts, hybrid integration, tenants, applications, and LDAP boundaries.
- How Microsoft Entra ID Works
- Microsoft Entra ID Tenants
- Microsoft Entra ID Users, Groups, and Applications
Kerberos
Ticket-based authentication, service principals, and Active Directory integration.
- Kerberos Tickets
- Kerberos Ticket-Granting Tickets (TGTs)
- Kerberos Service Principal Names (SPNs)
Identity and authentication
OAuth, OpenID Connect, SAML, SCIM, PKI, RADIUS, federation, and SSO concepts.
- What Is Identity Federation?
- How LDAP Fits into Single Sign-On
- What Is OAuth 2.0?