Authentication, users and password databases
- Active Directory
- Apache
- CAS
- Databases
- Demonstration
- GitHub
- GPG
- Kerberos
- LDAP
- Null
- OpenID Connect
- PAM
- Proxy
- Radius
- REST
- SAML
- Slave
- Mutual TLS Authentication
- WebID
- Yubikey
- Custom authentication modules
- Backend choice by users
- Combination of authentication schemes
- Multiple backends stack
- OpenID
- Remote
- Passkeys / WebAuthn
- TOTP 2nd Factor Authentication
- E-Mail as Second Factor
- External Second Factor
- Radius as Second Factor
- Password as Second Factor
- REST Second Factor
- Yubico OTP Second Factor
- WebAuthn as a second factor
- Additional Second Factors
- Okta Second Factor