[Samba] Problem getting Samba fully working

Moe, John jmoe at hatch.com.au
Mon Jun 20 16:00:47 MDT 2011


Hello all,

Relevant info up front: Gentoo PC, using 2.6.38 kernel and Samba 3.4.12.

I'm trying to get a FreeRadius instance working for our Windows network.
To do so, I need a Linux box running Samba.  I've installed and
configured Kerberos, Samba and FreeRadius, and can get most things to
work.  I can get a Kerberos key using kinit, and "sudo net ads keytab
list" shows me tickets.  I can use things like "net ads user myuser -U
myuser" to get info about my user account.  I can use "sudo wbinfo -t"
to show the secret trust is OK, and "sudo net ads testjoin" works as
well.  I can even log on to my switch using RADIUS authentication to my
AD account (using ntlm_auth).  So a lot of the pieces are working
correctly.

However, I cannot seem to be able to ssh into the box with a Windows
account.  The error I get is in log.wb-MYDOMAIN:

[2011/06/21 07:07:29,  1]
rpc_client/cli_pipe.c:949(cli_pipe_validate_current_pdu)
  cli_pipe_validate_current_pdu: RPC fault code
DCERPC_FAULT_ACCESS_DENIED received from host MYGC.my.domain.name!
[2011/06/21 07:07:31,  1]
rpc_client/cli_pipe.c:949(cli_pipe_validate_current_pdu)
  cli_pipe_validate_current_pdu: RPC fault code
DCERPC_FAULT_ACCESS_DENIED received from host MYGC.my.domain.name!
[2011/06/21 07:10:01,  1]
rpc_client/cli_pipe.c:949(cli_pipe_validate_current_pdu)
  cli_pipe_validate_current_pdu: RPC fault code
DCERPC_FAULT_ACCESS_DENIED received from host MYGC.my.domain.name!
[2011/06/21 07:12:21,  1]
rpc_client/cli_pipe.c:949(cli_pipe_validate_current_pdu)
  cli_pipe_validate_current_pdu: RPC fault code
DCERPC_FAULT_ACCESS_DENIED received from host MYGC.my.domain.name!

These occur not only when I try to log on via SSH, but also when no-one
is trying to log in, i.e., the system is doing it.

Also, on my GC that is configured as the password server in smb.conf
(and the admin_server and the kdc in krb5.conf), I keep getting errors
that say:

Logon attempt by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0
 Logon account:
 Source Workstation:
 Error Code: 0xC0000064

And yes, the middle two fields are empty.  The reason I know it's my
server is because these fill the log with up to 20 or so per second, and
as soon as I turn off the server, it stops.

I need to get SSH via Samba auth working so that our network admins can
log on to the box using a non-local account and do management if needed.

Can anyone suggest where to start looking?  Any help would be
appreciated.  Thanks.

John H. Moe
Network Support - Hatch IT
HATCH
Tel: +61 (7) 3166 7777
Direct: +61 (7) 3166 7684
Fax: +61 (7) 3368 3754
Mobile: +61 438 772 425
61 Petrie Terrace, Brisbane, Queensland Australia 4011
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