Hello,

We are using FreeIPAv3 with SSSD with Hortonworks Cluster :

-          ipa-admintools-3.0.0-47

-          ipa-client-3.0.0-47

-          sssd-ipa-1.11.6-30


According with the following documentation, our users are automatically 
authenticated to Kerberos at every login :
https://www.freeipa.org/page/Kerberos
"When SSSD project is used, the ticket is get for a user automatically as he 
authenticates to client machine."

It's working pretty well but some of our users are using nominative accounts 
for ssh connection then access to Hadoop with an applicative keytab...
We are agreed than we have to perform a kinit at every connection but when 
theses users work on several sessions they lose the applicative account ticket 
:(

To resume :
1

User1 connect to the system with nominative account

Nominative Kerberos Ticket

2

User1 use the applicative keytab to access to Hadoop

Applicative Kerberos Ticket

3

User1 open a new session to the system with nominvative account

Nominative Kerberos Ticket --> Applicative Kerberos Ticket is lose


Impact :
--> Failed developpement
--> Force the user to re-execute a kinit

We would know if it is possible to disable the automatic authentication in 
provide with SSSD?

Thanks.

Regards,

Thibault


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