This version of GitHub Enterprise Server was discontinued on 2023-09-25. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise Server. For help with the upgrade, contact GitHub Enterprise support.
Understanding IAM for enterprises
You can use GitHub Enterprise Server's built-in authentication, or you can centrally manage authentication and access to your instance with CAS, LDAP, or SAML.