Date: Mon, 28 Feb 2005 03:10:50 -0800 (PST) From: Rob <spamrefuse@yahoo.com> To: FreeBSD questions <freebsd-questions@freebsd.org> Subject: Re: /dev/io , /dev/mem : only used by Xorg? Message-ID: <20050228111050.17288.qmail@web54007.mail.yahoo.com> In-Reply-To: <20050228105750.GB15381@xor.obsecurity.org>
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--- Kris Kennaway <kris@obsecurity.org> wrote:
> As the original poster discussed, /dev/io, /dev/mem
> and /dev/random
> are optional components of the 5.x kernel, although
> as I replied, the
> situations in which one would not want to include
> them are limited.
>
What triggered my question, was what I found in the
man page of io:
The special file /dev/io is a controlled
security hole that allows a process to gain
I/O privileges (which are normally reserved
for kernel-internal code).
So I thought, if it's not needed (since I have no
X installed), then it better should go.
BTW I do not have it in the kernel config, but load
io, mem and random as a module via /boot/loader.conf.
I suppose that's the same.
Rob.
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