Re: changing root account name
From: Michael H. Warfield (mhw@wittsend.com)Date: 10/31/01
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Date: Wed, 31 Oct 2001 14:07:13 -0500 From: "Michael H. Warfield" <mhw@wittsend.com> To: Gaz Wilson <dragon@linux2.nccnet.co.uk> Subject: Re: changing root account name Message-ID: <20011031140713.A14005@alcove.wittsend.com>
On Wed, Oct 31, 2001 at 06:42:13PM +0000, Gaz Wilson wrote:
> > On Tue, Oct 30, 2001 at 10:12:34AM -0500, Kurt Yoder wrote:
> >
> > > Would there be any benefit in changing the account name of "root"? For
> > > instance, I could change the uid 0 account to have the name "foobar".
> > > Then, if someone were trying to break into the root account, they would
> > > have an additional step; instead of logging in as root, they'd first
> > > have to find out what the uid 0 account was called.
> >
> > less /etc/passwd | grep "0:0"
> In fact correct me if I'm wrong, but lots of Unices simply expect the
> superuser account to be the first line in the passwd file? I seem
> to remember reasing something about it years ago?
None, that I'm aware of and I go back to the AT&T release 3 days.
The password file is totally order independent.
> So if that's the case, as any user:
> head -n 1 /etc/passwd
> Would work every time! the example above ending in "grep 0:0" wouldn't
> necesarilly work, for instance, root on Solaris looks thus:
Would generally work every time but only by the quirk of fate that
root is always the first account created (or at the top of the initially
installed password file) and adding accounts only appends to the file.
> root:x:0:1:Super-User:/:/bin/sh
> Gaz
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