> For the complete documentation index, see [llms.txt](https://helpcenter.xopero.com/xopero-one-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication.md).

# SIGN-IN & AUTHENTICATION

- [Login methods](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/login-methods.md)
- [Login with SSO](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/login-methods/login-with-sso.md): Learn how to log in to Xopero ONE with SSO.
- [Login with username and password](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/login-methods/login-with-username-and-password.md): Simple guide on how to log in to Xopero ONE with a username and password.
- [External Identity Providers (IdP)](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/external-identity-providers-idp.md)
- [Configuration](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/external-identity-providers-idp/configuration.md): In this article you will learn how to configure your Xopero ONE login with SAML.
- [Group mapping](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/external-identity-providers-idp/group-mapping.md): In this article you will learn how to configure group mapping for SAML authentication.
- [Active Directory integration](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/active-directory-integration.md): Learn how to integrate Active Directory with Xopero ONE using LDAP.
- [Two-factor authentication (2FA)](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/two-factor-authentication-2fa.md): Learn how to enable two-factor authentication in Xopero ONE.
- [Password reset](https://helpcenter.xopero.com/xopero-one-en/sign-in-and-authentication/password-reset.md): Find how to reset the root password in Xopero ONE for on-premise & SaaS deployment models.