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The problem

We have a NAS, which I can easily mount via CIFS, but I cannot access it via smbclient. On the NAS itself I have very little influence. I just got a permission for a set of shares there.

What works

The mount via fstab works flawlessly via

//nasname.local/someshare /mnt/someshare cifs credentials=/home/.cifs/cifscredentials,iocharset=utf8,dir_mode=0777,file_mode=0777 0 0

I can also list the shares via smbclient via smbclient -L //nasname.local/ -N when i log in anonymously

Anonymous login successful

    Sharename       Type      Comment
    ---------       ----      -------
    IPC$            IPC       IPC Service (NAS Server)
    Backup          Disk      
    Public          Disk      System default share
    Web             Disk      System default share
Reconnecting with SMB1 for workgroup listing.
Anonymous login successful

    Server               Comment
    ---------            -------

    Workgroup            Master
    ---------            -------
    WORKGROUP            xxx

What doesnt work

I take now the same credentials to log into the NAS via smbclient smbclient //nasname.local/someshare -U username and the the password, but I get the response

Enter WORKGROUP\username's password: 
tree connect failed: NT_STATUS_ACCESS_DENIED

So I'd like to know, what the problem could be, that a cifs-mount works but a connection via smbclient doesnt.

Solution c.f. further below

3
  • When you mount it, can you see the contents of that top-level folder? Or doyou have to cd to a subfolder that you have permissions on? Apr 24, 2020 at 12:32
  • You mean, to directly mount mount //nasname.local/ instead of mount //nasname.localWeb/? If yes, then it doesn't work, to directly mount the top-level folder. I have to directly specifiy the service name as do mount -t cifs -o credentials=~/.cifs //nasname.local/Web /mount/dir/
    – physicus
    Apr 27, 2020 at 14:46
  • 1
    Thx to your comment, i looked again into my issue, and was able to solve it. I'll post the solution to my orignal post.
    – physicus
    Apr 27, 2020 at 14:57

1 Answer 1

1

I was now able to get it work via

  • Providing the credentials in a file, looking like
    username = my_user_name
    password = my_secret_password
    
  • calling the smbclient via
    smbclient //nasname.local/Web -A /my/credentials/file
    

And it's important, that in the file on uses username instead of only user (eventhough the latter works if one mounts via sudo mount -t cifs)

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