Which methods can be utilized for user authentication in Portal for ArcGIS?

User authentication in Portal for ArcGIS can be effectively achieved through a variety of methods, particularly through built-in accounts, LDAP, SAML, and OAuth. Built-in accounts allow for straightforward user management within the portal, where administrators can create and manage user profiles directly. LDAP (Lightweight Directory Access Protocol) is useful for integrating with existing directory services, enabling streamlined user account management and authentication across an organization’s network.

SAML (Security Assertion Markup Language) provides a framework for single sign-on (SSO), allowing users to authenticate once and gain access to multiple applications without needing to log in repeatedly. OAuth facilitates secure authorization by allowing users to grant third-party applications access to their data without sharing their credentials.

These methods not only support enhanced security and user management but also offer flexibility in how users can authenticate, catering to varying organizational requirements and ensuring a cohesive experience when accessing the portal. The range of authentication methods supported makes it suitable for diverse enterprise environments looking to integrate their existing authentication systems.