Authentication and Authorization

GitLab integrates with the following external authentication and authorization providers.

LDAP Includes Active Directory, Apple Open Directory, Open LDAP, and 389 Server
OmniAuth Sign in via Twitter, GitHub, GitLab.com, Google, Bitbucket, Facebook, Shibboleth, Crowd, Azure and Authentiq ID
CAS Configure GitLab to sign in using CAS
SAML Configure GitLab as a SAML 2.0 Service Provider
Okta Configure GitLab to sign in using Okta