> I just upgraded my server from Ubuntu 11.10 to Ubuntu 12.04 and now
BackupPC is failing on all hosts with:
> Backup failed on canton (NT_STATUS_ACCESS_DENIED listing \\*)
> Anyone know what trivial / stupid thing I've missed?
The smbclient (3.5.11) in Ubuntu 11.10 returns the exact same errors as the
smbclient (3.6.3) in Ubuntu 12.04 with one exception, the errors were
ignored or skipped by BackupPC with 11.10 and are fatal with 12.04.
I believe the following from
http://www.samba.org/samba/history/samba-3.6.0.html may be relevant.
Changed security defaults
-------------------------
Samba 3.6 has adopted a number of improved security defaults that will
impact on existing users of Samba.
client ntlmv2 auth = yes
client use spnego principal = no
send spnego principal = no
The impact of 'client ntlmv2 auth = yes' is that by default we will not
use NTLM authentication as a client. This applies to the Samba client
tools such as smbclient and winbind, but does not change the separately
released in-kernel CIFS client. To re-enable the poorer NTLM encryption
set '--option=clientusentlmv2auth=no' on your smbclient command line, or
set 'client ntlmv2 auth = no' in your smb.conf
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