Fails to log in to IdM WebUI with certificate/smartcard: cannot perform post-handshake authentication

Solution Verified - Updated -


Fails to log in to IdM WebUI with certificate/smartcard

  • IdM server has been configured for smart card authentication1
  • Certificate has also been added to an user2
  • Attempting to login to WebUI using smart card3. After clicking Log In Using Certificate, Authentication with personal certificate failed error message is displayed on browser.
  • Corresponding log message for the HTTP request is found in /var/log/httpd/access_log:

    <...> "GET /ipa/session/login_x509 HTTP/1.1" 403 258
  • Error messages with the same timestamp have also been recorded in /var/log/httpd/error_log

    [ssl:error] [pid <...>] [client] AH: verify client post handshake, referer:
    [ssl:error] [pid <...>] [client] AH10158: cannot perform post-handshake authentication, referer:
    [ssl:error] [pid <...>] SSL Library Error: error:14268117:SSL routines:SSL_verify_client_post_handshake:extension not received


  • Red Hat Enterprise Linux 8.2 or newer
  • Red Hat Identity Management (IdM) / FreeIPA
    • ipa-server
    • httpd

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