Why doesn't SSSD delete Kerberos credential cache files "/tmp/krb5cc_XXXXX"?

Solution Verified - Updated -

Issue

  • SSSD service leave kerberos cache under /tmp folder.
  • /tmp/krb5cc not getting deleted on it's own after logout.
  • At the time of log in to RHEL7 systems through password, the system generates a file /tmp/krb5cc_XXXXX which needs to be deleted at the time of log out.
  • Cache session should be closed.

Environment

  • Red Hat Enterprise Linux 6 and later
  • Active Directory/IPA
  • SSSD
  • Kerberos
  • PAM

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