gitlab-org--gitlab-foss/doc/administration/auth/index.md

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comments type stage group info
false index Manage Authentication and Authorization To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments

GitLab authentication and authorization (FREE SELF)

GitLab integrates with a number of OmniAuth providers, and the following external authentication and authorization providers:

NOTE: UltraAuth has removed their software which supports OmniAuth integration. We have therefore removed all references to UltraAuth integration.

SaaS vs Self-Managed Comparison

The external authentication and authorization providers may support the following capabilities. For more information, see the links shown on this page for each external provider.

Capability SaaS Self-managed
User Provisioning SCIM
SAML 1
LDAP 1
SAML 1
OmniAuth Providers 1
User Detail Updating (not group management) Not Available LDAP Sync
Authentication SAML at top-level group (1 provider) LDAP (multiple providers)
Generic OAuth2
SAML (only 1 permitted per unique provider)
Kerberos
JWT
Smartcard
OmniAuth Providers (only 1 permitted per unique provider)
Provider-to-GitLab Role Sync SAML Group Sync LDAP Group Sync
SAML Group Sync (GitLab 15.1 and later)
User Removal SCIM (remove user from top-level group) LDAP (remove user from groups and block from the instance)
  1. Using Just-In-Time (JIT) provisioning, user accounts are created when the user first signs in.