On Sun, 02 Apr 2000, Jim Roland wrote about, Re: Disable CTRL-ALT-BKSPC and single
mode:
> A1: There are several lines (comments and 1 configuration) in your X
> configuration (typically in /etc/X11/XF86Config, but you could always
> search for it with the locate command: locate XF86Config) which take care
> of this. It's not commonly disabled, therefore you have to edit the config
> file. Beware, if X windows does lockup, you will have no recourse but to
> reboot the system (hard reset), which can be very destructive to any
> unwritten/cached files. Look in your XF86Config file for the following
> line:
Not quite, hitting ctrl-alt-F1, F2, F3, etc., will get you into a console,
from there one can login as root and kill the X server if it ever locks up.
> (Under your server flags section)
> Section "ServerFlags"
> #DontZap
>
> Remove the hash mark (the # sign) and that will disable the CTRL-ALT-BS key
> sequence.
>
>
> A2: It does not matter, single or multi user mode, the root account will
> have the same password. In single user mode, you could login under your
> user account as well as root (make sure the root password is setup). You
> do have to watch out for someone booting with a boot/root floppy. That
> would allow someone to mount the system's hard drive (after booting up on
> floppy and mounting a floppy root disk) and alter files. A root floppy
> would grab it's root password from it's own files, the system hard drive
> would be considered just another data area. Make sure your computer is
> physically secure if it's a mission critical system.
>
A small note.
One could, if one is paraniod enough about security, enter a passwd into the
BIOS, further more one could change the default boot sequence from A to C or
what ever is used, or disable the floppy all together, or use all those
options.
Of course none of the above are actualy 100% safe, but they say every
little helps.
>
> -=>Jim Roland
>
> "Never settle with words what you can settle with a flamethrower."
> --Anonymous
>
>
> On Fri, 31 Mar 2000, Fathar W.Ulum wrote:
>
> > Date: Fri, 31 Mar 2000 10:04:47 +0700
> > From: Fathar W.Ulum <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Subject: Disable CTRL-ALT-BKSPC and single mode
> >
> > Hello,
> >
> > Q1: When I locked my X screen, people still can press CTRL-ALT-BKSPC to log me
> > out. How to disable that feature?
> >
> > Q2: How to disable single user mode at LILO prompt so people can not change the
> > root passwd?
> >
> > Thanks in advance,
> >
> > Fathar.
> >
> >
> > -
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> >
>
>
> -
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--
Regards Richard
[EMAIL PROTECTED]
http://people.zeelandnet.nl/pa3gcu/
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