Re: Change group to access hardward is the right way?
but that's create a problem if I don't add disk group coz I can't access my
cdrom under 2.4.1 with DevFs kernel. my cdrom is a ide atapi cdrom and in
/dev/ it is /dev/ide/host0/bus0/target1/lun0/cd with root.disk group. I
need it for listerning to audio cd
Edwin
On Sun, 25 Feb 2001 23:27:01 Ethan Benson wrote:
> On Sun, Feb 25, 2001 at 11:49:18AM -0500, Chun Kit Edwin Lau wrote:
> > Hi everyone,
> >
> > A while ago, I saw a posting saying that if, say, I want to
> access
> > audio stuff, I should add group audio to my normal user account. By the
> > same arguement, for cdrom, hd, floppy, etc, I should add them to my
> normal
> > user account. After a while, I find myself almost like the root who can
> > access everything. so is that normal? or is there a better way to do
> this?
>
> cdrom and audio are quite normal groups to be a member of, they let
> you access sound hardware and read the raw cd (so you can play audio
> cds) there isn't much threat here. only trusted users should be a
> member of audio since they can activate the microphone and record
> anything going on in the room the computer is located.
>
> group floppy is only needed if you need to format floppies or dd
> images. it also gives you access to the tape devices.
>
> never ever ever add yourself to group `disk' this is intended for
> backup daemons who need to read the raw disk devices. but having
> group disk makes you root, you can totally destroy everything with
> that group. (IMO disk devices should be mode 640 root.disk instead of
> 660 root.disk, since backup programs need not write to the raw
> partitions only read)
>
> --
> Ethan Benson
> http://www.alaska.net/~erbenson/
>
Edwin Lau (lauedw@waves.utoronto.ca)
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