Re: [gentoo-user] Block root user from login on xorg GUI

[Mick <michaelkintzios@gmail.com>]

[-- Attachment #1: Type: Text/Plain, Size: 1865 bytes --]

On Saturday 14 November 2009 07:01:19 Joshua Murphy wrote:
> On Fri, Nov 13, 2009 at 7:24 PM, Mick <michaelkintzios@gmail.com> wrote:
> > On Thursday 12 November 2009 23:08:18 Iain Buchanan wrote:
> >> On Thu, 2009-11-12 at 22:18 +0000, Mick wrote:
> >> > On Thursday 12 November 2009 22:09:01 Alan McKinnon wrote:
> >> > > Gdm itself has a config option to disallow root logins
> >> >
> >> > Ahh, unfortunately I can only access it remotely via ssh at this
> >> > stage. Hopefully the pam method will work fine.
> >>
> >> You don't need anything more to configure gdm than ssh access - this is
> >> Linux after all & a good program has text based configurations :)
> >>
> >> Edit /etc/X11/gdm/custom.conf
> >>
> >> In the section [security] add:
> >> AllowRoot=false
> >
> > Thanks for this!  :-)
> >
> >> You may then have to restart xdm.
> >>
> >> However, if someone has the root password to log in to X, then what's to
> >> stop them changing anything you do now?
> >
> > Know how?
> > --
> > Regards,
> > Mick
> 
> Approach security a little more sanely and don't give untrusted users
> root access? If you have to take steps to restrict the root account,
> you need to rethink who has use of it. Preventing damage in the event
> that the system *does* get compromised is one thing, but trying to
> control someone who is *given* access to root on the software side is
> the wrong approach, in my incredibly non-humble opinion.

You are right of course, but in this particular case the guy who *pays* wants 
to have root access.  So, I'm just trying to find an easy way to protect him 
from himself.  Initially I implemented SELinux, but had to pull that back 
because I couldn't in any quick way get Nagios cgi working with it.  One day I 
may find some time to get back to it.

Thanks again.
-- 
Regards,
Mick

[-- Attachment #2: This is a digitally signed message part. --]
[-- Type: application/pgp-signature, Size: 198 bytes --]