10.4. Increasing SSSD timeouts


If you are having issues authenticating with a smart card, check the krb5_child.log and the p11_child.log file for timeout entries similar to the following:

krb5_child: Timeout for child [9607] reached.....consider increasing value of krb5_auth_timeout.

If there is a timeout entry in the log file, try increasing the SSSD timeouts as outlined in this procedure.

Prerequisites

  • You have configured your IdM Server and client for smart card authentication.

Procedure

  1. Open the sssd.conf file on the IdM client:

    # vim /etc/sssd/sssd.conf
  2. In your domain section, for example [domain/idm.example.com], add the following option:

    krb5_auth_timeout = 60
  3. In the [pam] section, add the following:

    p11_child_timeout = 60
  4. Clear the SSSD cache:

    # sssctl cache-remove
    SSSD must not be running. Stop SSSD now? (yes/no) [yes] yes
    Creating backup of local data…
    Removing cache files…
    SSSD needs to be running. Start SSSD now? (yes/no) [yes] yes

    Once you have increased the timeouts, try authenticating again using your smart card. See Testing smart card authentication for more details.

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