Password Security

[Jeff Hinrichs - DM&T]

On 11/21/06, Russell E. Meek <rmeek at rem1tech.com> wrote:
> Quoting VeeJay <maanjee at gmail.com>:
>
> > Hi
> >
> > I need to secure my data and server. Any advice will be highly appreciated.
> >
> > I am going to place my FreeBSD server at a shared place?
> >
> > I am just afraid that any unauthorized person might boot machine in single
> > user mode and steal the data?
> > How can I make my Server secure that if if boots in single user mode, it
> > still demands the password and without password one cannot do anything?
> > or make it possible that booting in Single user mode, doesn't provide any
> > shell?
> >
> > Thanks in advance
> >
> > --
> >
> > BR / vj
> > _______________________________________________
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>
> BR,
>
> Edit /etc/ttys and look for the following line:
>
> # If console is marked "insecure", then init will ask for the root password
> # when going to single-user mode.
> console none                            unknown off secure
>
> Change "secure" to "insecure" (no quotes) this will require the root
> password to be entered when booting into Single User Mode.
>
>
> Thanks,
>
> Russ
>
>
>
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>
If the box isn't physically secured then this is just blowin in the
wind.  Short of fully encrypted disks that require a token/password at
boot, there isn't any security in this kind of environment.