Date: Tue, 19 Dec 2000 12:09:53 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: cjclark@alum.mit.edu Cc: freebsd-security@FreeBSD.ORG Subject: Re: Read-Only Filesystems Message-ID: <20001219120953.S19572@fw.wintelcom.net> In-Reply-To: <20001219114936.A23819@rfx-64-6-211-149.users.reflexco>; from cjclark@reflexnet.net on Tue, Dec 19, 2000 at 11:49:36AM -0800 References: <20001219114936.A23819@rfx-64-6-211-149.users.reflexco>
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* Crist J. Clark <cjclark@reflexnet.net> [001219 11:50] wrote: > I was recently playing around with the idea of having a read-only root > filesystem. However, it has become clear that there is no way to > prevent root from changing the mount properties on any filesystem, > including the root filesystem, provided there is no hardware-level > block on writing and there is someplace (anyplace) where root can > write. > > Is that accurate? I guess one must go to a "trusted OS" to get that > type of functionality? You can trust freebsd. :) do some research on "securelevel" -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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