[Samba] [permissions] smbpasswd vs passwd

Steven Mackenzie sjm at activenavigation.com
Thu Feb 21 08:03:48 GMT 2002

(my smbpasswd is -rw------- )

The password hashes stored in smbpasswd can be used "as is" to gain access
to the files on the samba server, so they have to be kept secret (only
readable by root).

You can read a little more by looking at smbpasswd(5) ('man 5 smbpasswd').

The ones in /etc/passwd can't be used for anything except checking a
password (or brute force hack attempts by checking lots of passwords), so it
doesn't have to be secret.

 In fact, /etc/passwd has to be world readable so that various applications
can see user the user properties in it.

> I had encounted that as "user" I couldn't change my own passwd with
> "smbpasswd" and noticed the permission differences between smbpasswd
> and passwd.  This is Samba-2.2.2
> -rwxr-xr-x    1 root     root       782415 Dec 28 03:14
> /usr/local/samba/bin/smbpasswd
> -r-s--x--x    1 root     root        12244 Feb  7  2000
> /usr/bin/passwd
> Is there a reason why the perms are not the same ?
> --
> Bill Schoolcraft
> PO Box 210076                 -o)
> San Francisco CA 94121         /\
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