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Title
Where are the /tmp/.pam_vas_temp_ccache-XXXXXX files for? -
Description
I have found a number of files with names like .pam_vas_temp_ccache-XXXXXX in /tmp. What is creating these files and can they be removed?
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Resolution
These files are created when the delay_ccache_creation option is enabled in the pam_vas module. Any of these files which have not been cleaned up automatically can be removed if they are not in use by an active user session.
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Additional Information
Details about this option from the pam_vas manpage: delay_ccache_creation When this option is set, pam_vas will store the user's kerberos tickets in their ticket cache during the pam_setcred() call instead of doing it immediately upon acquiring the tickets in the pam_authenticate() call. The delay_ccache_creation option defaults to OFF for all systems with the exception of OS X. Therefore this option has no effect on Mac OS X systems. If cred storage should be happen during the pam_authenticate() call use the store_cred.