Date: Tue, 19 Dec 2000 15:10:34 -0700 From: Warner Losh <imp@village.org> To: cjclark@alum.mit.edu Cc: freebsd-security@FreeBSD.ORG Subject: Re: Read-Only Filesystems Message-ID: <200012192210.PAA03943@harmony.village.org> In-Reply-To: Your message of "Tue, 19 Dec 2000 11:49:36 PST." <20001219114936.A23819@rfx-64-6-211-149.users.reflexco> References: <20001219114936.A23819@rfx-64-6-211-149.users.reflexco>
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In message <20001219114936.A23819@rfx-64-6-211-149.users.reflexco> "Crist J. Clark" writes: : 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. That is correct. mount -uw / works, even at high security levels. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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