option 'auth users' in rsyncd.conf

[夏凯]

do you mean this?
auth users = non-exist  user?

On Fri, Jan 22, 2010 at 02:03, Alexander Dahl <post at lespocky.de> wrote:
> Hi there,
>
> this is my first posting to this list, so let me quickly introduce
> myself. I'm Alex and currently working on a new version of the rsync
> package for the eisfair Linux distribution¹.
>
> I have some problems understanding the behaviour of the 'auth users'
> option in the rsyncd.conf file when running rsync in daemon mode. I set
> up a module and a secrets file. This is the behaviour I came across:
>
> Setting 'auth users = alice bob', 'auth users = alice,bob', and
> 'auth users = alice, bob' all seem to be equivalent. In each of these
> three cases I can successfully connect to the daemon, which asks for a
> password then. On providing a wrong password or a username different
> from 'alice' or 'bob' the rsync daemon denies a connection. This is more
> or less what I expected from this sentence in the manpage:
>
>  This parameter specifies a comma and space-separated list of usernames
>  that will be allowed to connect to this module.
>
> If I omit or outcomment the 'auth users' line, everyone is allowed to
> connect and this is also how I understood the manpage.
>
> Now if I use the following line, also everyone is allowed to connect:
>
>  auth users =
>
> So if I don't put any username there, it's like I would have omitted the
> line. This is not quite what I expected. This may be senseless but I
> would have expected, the rsync daemon would deny everyone to connect
> then, because he would check an empty list against the secrets file. Is
> there a way to accomplish this behaviour, denying access? Or maybe a
> similar behaviour without dropping the whole section of this module from
> the config file and without changing any of the other parameters
> configured in this module?
>
> Greets
> Alex
>
> ¹ http://www.eisfair.org/
>
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