Re: Help with rsync

--- In nslu2-linux-hHKSG33TihhbjbujkaE4pw@xxxxxxxxxxxxxxxx, Josh Parsons 
<jbparsons@xxxx> 
wrote:
> On Tue, 2005-03-08 at 21:55 +0000, mlsmith59 wrote:
> 
> >  Rsync workes but I can't get it to preserve 
> > owner/group.  The receiving machine always ends up with 
> > nobody/nobody.
> 
> As you may know, rsync can run in two modes: as a server on a 
dedicated
> TCP port (which is what you are doing), or by using some rsh/ssh-
like
> remote shell protocol as a transport layer.  To get the behavior 
you
> want, you need to be using ssh (or rsh, but that is a very bad 
idea) as
> the transport for rsync.
> 
> An rsync server will always create files with the uid it is 
running as,
> or if it is root, the uid set in rsyncd.conf (which defaults to 
nobody).
> The reason for this is obvious when you think about it: anyone can
> connect to an rsync server and ask to upload a file owned by root, 
or
> even ask for it to be owned by root, setuid and world-executable. 
If
> this was allowed, it would subvert the normal permissions 
mechanism on
> the system running rsync.
> 
> Even allowing write access at all via an rsync server is unsafe, 
as it
> exposes your machine to DoS attacks aimed at consuming all disk 
space
> available to the rsync server.
> 
> In short, disable your rsync server and set up openssh instead.
> 
> -- 
> Josh Parsons
> Philosophy Department
> 1238 Social Sciences and Humanities Bldg.
> University of California
> Davis, CA 95616-8673
> USA
>  
> Please avoid sending me Word or PowerPoint attachments.
> See http://www.fsf.org/philosophy/no-word-attachments.html

Thanks Josh.  I'll start the next step which was to get openssh 
running.

Mark





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