| Option | AUTHENTICATION_METHOD | |
| Description | Enables a standard LDAP bind method | |
| Value Type | string | |
| Default | single-user | |
| Values | byproxy | Authenticate using the proxy. See Proxy Authentication for more details | 
| ldap | Use LDAP authentication. See LDAP Authentication for more details. | |
| ldap-search | Use LDAP Search authentication. See LDAP-Search for more details. | |
| none | Disable authentication (not recommended) | |
| oauth | Use OAuth authentication. See OAuth with Auth0 for more details. | |
| saml | Use SAML authentication. See SAML Authentication for more details. | |
| single-user | Use single-user authentication. See
      Single User for more details. Use SINGLE_USER_USERNAMEconfiguration to set the name
      of the single user (default isuser). UseSINGLE_USER_PASSWORDconfiguration to set the
      password for that user. | |
        See AUTH_BY_PROXY_HEADER_NAME,
        SINGLE_USER_PASSWORD,
        SINGLE_USER_USERNAME and
        BITBUCKET_OAUTH_CLIENT_ID for more information
        and an example.