Version v0.41 of Metabase is no longer supported. Check out the docs for the current stable version, Metabase v0.63.
How do I integrate Metabase and our single-sign on (SSO) option?
The Open Source Edition of Metabase allows you to integrate with LDAP or Google sign-in. If you’re using SAML or JWT for SSO, you will need the Enterprise Edition.
Read docs for other versions of Metabase.