1. headers http header: www-authenticate

  2. headers http header: www-authenticate: `basic` authentication

  3. headers http header: www-authenticate: `digest` authentication

  4. headers http header: www-authenticate: `digest` authentication: md5 digest authentication

  5. headers http header: www-authenticate: `digest` authentication: sha2-256 digest authentication

  6. headers http header: www-authenticate: `digest` authentication: sha2-512 digest authentication

  7. headers http header: www-authenticate: `negotiate` (kerberos) authentication

  8. headers http header: www-authenticate: `ntlm` authentication