From owner-freebsd-questions  Sun Feb 18 22: 5:23 2001
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Date: Sun, 18 Feb 2001 22:05:18 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: Rakhesh Sasidharan <rakhesh@cse.iitd.ernet.in>
Cc: "questions@FreeBSD.ORG" <questions@FreeBSD.org>
Subject: Re: Securelevel and mounting ...
Message-ID: <20010218220518.A73665@mollari.cthul.hu>
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In-Reply-To: <Pine.LNX.4.10.10102191128490.21765-100000@localhost.localdomain>; from rakhesh@cse.iitd.ernet.in on Mon, Feb 19, 2001 at 11:33:17AM +0530
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On Mon, Feb 19, 2001 at 11:33:17AM +0530, Rakhesh Sasidharan wrote:
>=20
> Hi,
>=20
> Does securelevel 1 mean that I am not even able to do the below:=20
>=20
> Script started on Sat Feb 17 15:38:28 2001
> [root@FreeBSD](/root)# sysctl kern.securelevel
> kern.securelevel: 1
> [root@FreeBSD](/root)# vnconfig vn0c /big/OSes/4.2-FreeBSD/4.2-install.is=
o=20
> [root@FreeBSD](/root)# mount -t cd9660 /dev/vn0c /isomount/
> cd9660: vfsload(cd9660): Operation not permitted

          ^^^^^^^

You don't have the CD9660 stuff compiled into your kernel, so mount(8)
tries to kldload the KLD on-the-fly, which it can't when you have a
raised securelevel.

Kris

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