Just a guess, but if you give other rw access to /dev/audio i'd guess the
security problem comes from someone writing a small program that does,
essentially this:
Label:
cat <au file> > /dev/audio
goto label
Try working in your office with an annoying au file playing on your speaker
constantly..:) I'd guess that is the security hole...however, i've never
heard of a "server" having a sound card in it so I'm thinking this isn't
much of a problem..:)
If it does become a problem, do this:
chmod g+rw /dev/audio
Then go into /etc/groups file and add a "sound" group. Add the people to
it you want to be able to access /dev/audio and make sure they are set to
the sound group (or have the rights to the sound group). After this is all
done, you are set and ready to go.
(In other words, give group read-write access to /dev/audio then set only a
few people into the group. Make sure that only group has read-write access
and not other)
Douglas Wagner
-----Original Message-----
From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
Sent: Wednesday, December 23, 1998 3:48 PM
To: Travis Bauer; [EMAIL PROTECTED]
Subject: Re:RE: MP3 Static
You probably were running as root when it worked, and are now running as a
user.
Check the permissions of /dev/audio. The simplest solution is to give
"other"
rw access ("chmod +rw /dev/audio"). This isn't done out of the box due to
security concerns -- I'm not sure what the concern is offhand. I figure it
isn't a terribly big concern for a desktop/laptop type machine.
gvb
____________________Reply Separator____________________
Subject: RE: MP3 Static
Author: Travis Bauer <[EMAIL PROTECTED]>
Date: 12/23/98 4:26 PM
I recompiled my kernel using the crystal sound options, and it worked
wonderfully. for one day. I was playing mp3 files with x11amp and they
sounded great. But when I went to use it the next day, it wouldn't work at
all. x11amp said that it couldn't open the sound device. I can't even cat
..au files to the /dev/audio. So I don't know what I was doing right the
day
before. But I just installed the source code for the 2.1.?? kernel (the
latest
one, I can't remember the last two numbers). I've read that some things
have
been changed in how sound is supported, so maybe this it will work this
time.
Wish me luck.
TB
On Wed, 23 Dec 1998, you wrote:
|Heehe, that's my page. As far as the 3K goes, i've not yet had the
ability
|to get the CS card to work. if I do find (or if someone out there gets
me)
|the correct CS options for the 3K, i'll post them back up on nts.ml.org
and
|have a good soundcard supported..:)
|
|Douglas Wagner
|
|-----Original Message-----
|From: Travis Bauer [SMTP:[EMAIL PROTECTED]]
|Sent: Sunday, December 20, 1998 11:02 PM
|To: [EMAIL PROTECTED]
|Subject: Re: MP3 Static
|
|Thanks, that sounds good. The website I was looking at
|(nts.ml.org/inspiron)
|said that you should have 6859 UART, MIDI interface support, and FM
|Synthesizer
|support as well as the SB options. Did you have these as well, or only
the
|crystal sound option, along with /dev/dsp support?
|
|
|Thanks,
|TB
|
|On Mon, 21 Dec 1998, you wrote:
||Here's my advice--I don't know what the website said, but you need
||to use the Crystal Sound option.. CS4??? somethingorother in the kernel.
|
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