Date: Tue, 20 Oct 2015 00:06:42 +0000 From: Glen Barber <gjb@FreeBSD.org> To: Warner Losh <imp@bsdimp.com> Cc: "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org> Subject: Re: Enabling all available ttys if available console Message-ID: <20151020000642.GB20559@FreeBSD.org> In-Reply-To: <CANCZdfpgopf=-5=bi9XViWMXFe=%2BaknJZ8YZmMF2w6-R0tPEEQ@mail.gmail.com> References: <20151019171215.GX15305@FreeBSD.org> <20151019210035.GB15569@FreeBSD.org> <CANCZdfpgopf=-5=bi9XViWMXFe=%2BaknJZ8YZmMF2w6-R0tPEEQ@mail.gmail.com>
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On Mon, Oct 19, 2015 at 05:09:45PM -0600, Warner Losh wrote:
> On Mon, Oct 19, 2015 at 3:00 PM, Glen Barber <gjb@freebsd.org> wrote:
>=20
> > On Mon, Oct 19, 2015 at 05:12:15PM +0000, Glen Barber wrote:
> > > For several months now, I have been contemplating enabling all active
> > > ttys on the system by 1) changing the defaults from std.9600 to 3wire,
> > > and 2) setting ttyu{0,1,2,3} from 'off' to 'onifconsole'.
> > >
> > > The only drawback to doing this that I can think of is it could open
> > > a potential attack vector, however this would require physical access=
to
> > > the system.
> > >
> > > The benefit to doing this is the system would be accessible via ttys
> > > other than ttyu0 by default, which unless there is someone with local
> > > access to the system, is painful for administrators to gain console
> > > access remotely by default.
> > >
> > > Are there objections to changing the default, or have I missed someth=
ing
> > > larger in this proposed change?
> > >
> >
> > Based on the replies so far, unless there are no objections by tomorrow,
> > I'll commit the change.
> >
> > Thanks to everyone who replied.
>=20
>=20
> Any chance we can move the tip entries from 9600 to 115200 too for the
> other direction?
>=20
I don't see why not.
Glen
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