[Bug 1572876] Re: After Samba upgrade can't access unpassworded windows share

[Ivan Zuric]

Same thing after automatic update to Samba 4.3.8 at Lubuntu 14.04 LTS 15.10 & 16.04 LTS. Can't access Win 7/8.1/10 shared unpassworded folders & printers. 
But there is a temporary workaround which works for me on 15.10 & 16.04 (haven't try on 14.04 LTS).
In smb.conf [global] section put following lines:
 
   client use spnego = no
   client ntlmv2 auth = no
   client ipc max protocol = NT1

Now, when I'm asked for password, just enter my root password & select option "Remeber forever".
Same procedure for configuring Windows shared printers.

I hope this will help.

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Title:
  After Samba upgrade can't access unpassworded windows share

Status in samba:
  Unknown
Status in samba package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 14.04.4 LTS X64
  On 19th april got an update. mainly there was Samba's update, after that, can't  access  anymore to unpassworded share on Win7, login and password requested, but there is no password

  smbclient -N -L 192.168.1.55
  WARNING: The "syslog" option is deprecated
  NTLMSSP packet check failed due to short signature (0 bytes)!
  NTLMSSP NTLM2 packet check failed due to invalid signature!
  Anonymous login successful
  Domain=[VORON] OS=[Windows 7 Professional 7601 Service Pack 1] Server=[Windows 7 Professional 6.1]

   Sharename       Type      Comment
   ---------       ----      -------
  Error returning browse list: NT_STATUS_ACCESS_DENIED
  Connection to 192.168.1.55 failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
  NetBIOS over TCP disabled -- no workgroup available
  ========================
  upgrade log:
  Start-Date: 2016-04-19  09:04:37
  Commandline: aptdaemon role='role-commit-packages' sender=':1.258'
  Upgrade: python-samba:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), winbind:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), tdb-tools:amd64 (1.2.12-1, 1.3.8-0ubuntu0.14.04.1), samba:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), python-tdb:amd64 (1.2.12-1, 1.3.8-0ubuntu0.14.04.1), libtevent0:amd64 (0.9.19-1, 0.9.26-0ubuntu0.14.04.1), samba-dsdb-modules:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), libnss-winbind:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), samba-common-bin:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), libldb1:amd64 (1.1.16-1ubuntu0.1, 1.1.24-0ubuntu0.14.04.1), libtdb1:amd64 (1.2.12-1, 1.3.8-0ubuntu0.14.04.1), samba-libs:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), virtualbox-5.0:amd64 (5.0.16-105871~Ubuntu~trusty, 5.0.18-106667~Ubuntu~trusty), smbclient:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), libtalloc2:amd64 (2.1.0-1, 2.1.5-0ubuntu0.14.04.1), python-talloc:amd64 (2.1.0-1, 2.1.5-0ubuntu0.14.04.1), libpam-winbind:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), libwbclient0:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), samba-vfs-modules:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), python-ldb:amd64 (1.1.16-1ubuntu0.1, 1.1.24-0ubuntu0.14.04.1), samba-common:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2), libsmbclient:amd64 (4.1.6+dfsg-1ubuntu2.14.04.13, 4.3.8+dfsg-0ubuntu0.14.04.2)

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