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Re: System users and valid shells...



On Mon, May 08, 2006 at 09:04:35AM +0200, Marc Haber wrote:
> On Fri, 05 May 2006 11:12:35 +0300, Jari Aalto <jari.aalto@cante.net>
> wrote:
> >Richard A Nelson <cowboy@debian.org> writes:
> >> On Wed, 3 May 2006, Colin Watson wrote:
> >> The rest of the system accounts are happily running with /bin/false
> >
> >There is now /bin/nologin which is more secure
> 
> You can surely explain why /bin/nologin is more secure than
> /bin/false. I'm eager to learn.

Not "more secure" but it definately provides some accountability (i.e. log
traces) in case those accounts get used. At least by those services that
might spawn a shell, that is. Use of /dev/null or /bin/false will not get
logged so you might not be able to detect (through a logchecker tool such as
logcheck) suspicious activity.

Regards

Javier

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