Oracle Solaris System Administration (MOSC)

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Kerberos cred cache not cleaned up after logout

edited Jun 22, 2015 10:01AM in Oracle Solaris System Administration (MOSC) 2 commentsAnswered

We are trying to configure Kerberos (Active Directory) including ticket forwarding in Solaris 11.2

Most of the steps are working fine:

1) join with the AD with kclient / smbadm

2) get a Kerberos ticket with kinit

3) ssh ticket forwarding works also with "forwardable=true" in krb5.conf and "GSSAPIAuthentication yes" / "GSSAPIDelegateCredentials yes" in ssh_conf

Unfortunatly we are a litte bit too successful, because the ticket is not deleted anymore after logging out the user.

the man page of sshd_config describe this:

     sshd does not  take  any  steps  to  explicitly  destroy

         stored  delegated GSS-API credentials upon logout. It is

         the responsibility of PAM modules to destroy credentials

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