In some circumstances the ccache file may disappear while mod_auth_gssapi still has a valid cookie and the client is performing a json server call. This may lead to credentials getting sourced from the keytab. Make sure we enforce what GSS NAME we want to resolve so HTTP creds are never mistakenly sourced. Ticket: #6972 Signed-off-by: Simo Sorce <simo@redhat.com> Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>