From owner-freebsd-current Mon Oct 7 02:50:12 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id CAA28792 for current-outgoing; Mon, 7 Oct 1996 02:50:12 -0700 (PDT) Received: from parkplace.cet.co.jp (parkplace.cet.co.jp [202.32.64.1]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id CAA28784 for ; Mon, 7 Oct 1996 02:50:08 -0700 (PDT) Received: from localhost (michaelh@localhost) by parkplace.cet.co.jp (8.8.0/CET-v2.1) with SMTP id JAA14430; Mon, 7 Oct 1996 09:49:17 GMT Date: Mon, 7 Oct 1996 18:49:17 +0900 (JST) From: Michael Hancock To: Bruce Evans cc: current@freebsd.org Subject: Re: secure level diffs to kern_mib.c, LINT In-Reply-To: <199610061132.VAA25153@godzilla.zeta.org.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Sun, 6 Oct 1996, Bruce Evans wrote: > Actually, securelevel 1 is normally so insecure that it shouldn't be used. > It essentially only provides write protection of /dev/mem and /dev/kmem. Isn't write protection of /dev/mem /dev/kmem a good enough reason for use? > The write protection on mounted disks is worthless becauses there are > lots of aliases. Even plain BSD has a whole disk partition, and FreeBSD So facilitate improvements, don't hinder it. > has lots of slices and SCSI control devices. Perhaps this can be worked > around by deleting the aliases. Like this. Regards, Mike Hancock