On 9/15/16, 1:06 PM, "Alexander Bokovoy" <aboko...@redhat.com> wrote:

    On Thu, 15 Sep 2016, Brook, Andy [CRI] wrote:
    >  I’m working on setting up Samba to serve files from a server attached
    >  to our IPA domain. I followed the directions in
    >  Everything seems to work and I can access the files from another RHEL
    >  server attached to the same domain using a Kerberos ticket from a
    >  user from the trusted AD domain. However, I can’t access this share
    >  from a windows client that is also attached to the trusted AD domain.
    >My smb.conf is as follows:
    >        workgroup = IPA
    >        realm = IPA.DOMAIN
    >        kerberos method = dedicated keytab
    >        dedicated keytab file = FILE:/etc/samba/samba.keytab
    >        log file = /var/log/samba/log.%m
    >        log level = 3
    >        security = ads
    >        load printers = no
    >        disable spoolss = yes
    >        map to guest = Never
    >        restrict anonymous = 2
    >        path = /var/www
    >        writable = yes
    >        browsable = yes
    >I put the keytab in place from the cifs service from the IPA server.
    >I feel like I’m missing something small, but I can’t seem to find it.
    >Logs from samba are here: http://pastebin.com/aMDXfR78
    These logs show that your Windows client did not use Kerberos but tried
    to authenticate with password using NTLMSSP. This is not supported yet,
    as written on the page you used for the setup guidance.
    You need to find out why Windows client didn't use Kerberos.
    Is your trust to AD really working?

We’re authenticating AD users on the hosts that are connected to IPA. We’re 
able to create external groups and associate them with internal groups for HBAC 
and sudoers rules. Is there something else I should check to see if the trust 
is working? It’s entirely possible I missed something somewhere in the setup, 
but I don’t think I did. 

Andy Brook
Sr. Systems Administrator | Center for Research Informatics | University of 
T: 773-834-0458 | http://cri.uchicago.edu

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Thank you
University of Chicago Medicine and Biological Sciences 

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