{"meta":{"title":"Using built-in authentication","intro":"If you don't use a centralized, external system for your users' identity, you can use built-in authentication to allow GitHub Enterprise Server to manage accounts and perform local authentication.","product":"Enterprise administrators","breadcrumbs":[{"href":"/en/enterprise-server@3.22/admin","title":"Enterprise administrators"},{"href":"/en/enterprise-server@3.22/admin/managing-iam","title":"Identity and access management"},{"href":"/en/enterprise-server@3.22/admin/managing-iam/using-built-in-authentication","title":"Built-in authentication"}],"documentType":"subcategory"},"body":"# Using built-in authentication\n\nIf you don't use a centralized, external system for your users' identity, you can use built-in authentication to allow GitHub Enterprise Server to manage accounts and perform local authentication.\n\n## Links\n\n* [Configuring built-in authentication](/en/enterprise-server@3.22/admin/managing-iam/using-built-in-authentication/configuring-built-in-authentication)\n\n  When you use the default authentication method, all authentication details are stored on GitHub.com.\n\n* [Inviting people to use your instance](/en/enterprise-server@3.22/admin/managing-iam/using-built-in-authentication/inviting-people-to-use-your-instance)\n\n  When you use built-in authentication for GitHub Enterprise Server, you can invite people by email address to create a user account on your instance.\n\n* [Disabling unauthenticated sign-ups](/en/enterprise-server@3.22/admin/managing-iam/using-built-in-authentication/disabling-unauthenticated-sign-ups)\n\n  If you're using built-in authentication for GitHub.com, you can block unauthenticated people from creating new user accounts on your instance.\n\n* [Disabling passkeys for your instance](/en/enterprise-server@3.22/admin/managing-iam/using-built-in-authentication/disabling-passkeys-for-your-instance)\n\n  Learn how to disable passkeys for all users on your instance."}