On Thu, Oct 6, 2011 at 10:10 PM, Vini <[email protected]> wrote: > Hi All, > > I seem to have exactly the same problem which was described in this thread a > while ago. I have gone through every piece of information I was able to find > on mailing list archives but all I found was people reporting similar > problems and not a solution to it. > > As in the original discussion if I use smbclient it works fine but if I use > mount.cifs it does not work at all. To make smbclient work I have had to add > "client ntlmv2 auth = yes" to the sbm.conf file. > > The server I am connecting to is a Windows 2008 R2 and the security policy > only allows NTLMv2. > > I am trying to connect from a Centos 5.5 > > 2.6.18-274.3.1.el5 #1 SMP Tue Sep 6 20:14:03 EDT 2011 i686 i686 i386 > GNU/Linux > > libsmbclient-3.5.4-68.2 > samba-3.5.4-68.2 > samba-common-3.5.4-68.2 > samba-client-3.5.4-68.2 > samba-winbind-clients-3.5.4-68.2 > cifs-utils-4.4-5.2 > > ls /proc/fs/cifs/ > cifsFYI > DebugData > Experimental > LinuxExtensionsEnabled > LookupCacheEnabled > MultiuserMount > OplockEnabled > SecurityFlags > Stats > traceSMB > > modinfo cifs > filename: /lib/modules/2.6.18-274.3.1.el5/kernel/fs/cifs/cifs.ko > version: 1.60RH > description: VFS to access servers complying with the SNIA CIFS > Specification e.g. Samba and Windows > license: GPL > author: Steve French <[email protected]> > srcversion: 4A9C63C35E60B4C015318F5 > depends: > vermagic: 2.6.18-274.3.1.el5 SMP mod_unload 686 REGPARM 4KSTACKS > gcc-4.1 > parm: CIFSMaxBufSize:Network buffer size (not including header). > Default: 16384 Range: 8192 to 130048 (int) > parm: cifs_min_rcv:Network buffers in pool. Default: 4 Range: 1 to > 64 (int) > parm: cifs_min_small:Small network buffers in pool. Default: 30 > Range: 2 to 256 (int) > parm: cifs_max_pending:Simultaneous requests to server. Default: > 50 Range: 2 to 256 (int) > module_sig: > 883f3504e66bf24104f42edc2b0f945112c79009d1e1918c363e6545d5644af26235486a0faee309e3e516f3731905cd551976d305e8c32b5f117ae9b > > > This works without issues: > > smbclient -U username //192.168.20.129/share > > But this does not work at all: > > mount.cifs //192.168.20.129/share /mnt/ -o > user=username,password=XXXXXXX,sec=ntlmv2 > > For the record I have tried sec=ntlmv2i, ntlmssp, krb5i, krb5. > > Here is what I get when I try: > > > > With sec=ntlmv2i > > mount error(22): Invalid argument > Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) > > and dmesg gives: > > CIFS VFS: Unexpected SMB signature > Status code returned 0xc000000d NT_STATUS_INVALID_PARAMETER > CIFS VFS: Send error in SessSetup = -22 > CIFS VFS: cifs_mount failed w/return code = -22 > > > > With sec=ntlmv2 > > mount error(95): Operation not supported > Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) > > and dmesg gives: > > CIFS VFS: Server requires packet signing to be enabled in > /proc/fs/cifs/SecurityFlags. > CIFS VFS: cifs_mount failed w/return code = -95 > > > > With sec=ntlmssp > > mount error(95): Operation not supported > Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) > > and dmesg gives: > > CIFS VFS: Server requires packet signing to be enabled in > /proc/fs/cifs/SecurityFlags. > CIFS VFS: cifs_mount failed w/return code = -95 > > > I have tried changing the values /proc/fs/cifs/SecurityFlags but no > difference at all. > > may use packet signing 0x00001 > must use packet signing 0x01001 > may use NTLM (most common password hash) 0x00002 > must use NTLM 0x02002 > may use NTLMv2 0x00004 > must use NTLMv2 0x04004 > may use Kerberos security 0x00008 > must use Kerberos 0x08008 > may use lanman (weak) password hash 0x00010 > must use lanman password hash 0x10010 > may use plaintext passwords 0x00020 > must use plaintext passwords 0x20020 > > Reference on line 588 > http://www.disy.cse.unsw.edu.au/lxr/source/fs/cifs/?v=linux-2.6.32 > > One funny thing is that there should be a pseudo-file called > /proc/fs/cifs/PacketSigningEnabled but it does not exist, even on much newer > kernels it does not exist. > > > Has anyone been able to overcome this problem? > > Thanks > Vini > -- > To unsubscribe from this list go to the following URL and read the > instructions: https://lists.samba.org/mailman/options/samba >
You probably need this patch installed on the Windows 2008 server http://support.microsoft.com/kb/957441/en-us -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
