Date: Tue, 13 Jul 1999 11:16:50 -0700 (PDT) From: Steve Reid <sreid@alpha.sea-to-sky.net> To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> Cc: freebsd-security@freebsd.org Subject: Re: Module magic Message-ID: <Pine.LNX.3.95.iB1.0.990713110957.24838A-100000@alpha.sea-to-sky.net> In-Reply-To: <19990713110916.A454@grok.nodomain>
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> > Are you saying that X does not work when securelevel >= 0 under > > FreeBSD? > > That is correct. X requires direct access to I/O space, which is > fundamentally incompatible with the notion of enhanced security. I tried OpenBSD a while back (version 2.1) and X was able to function with the default securelevel = 1. This was done via the "aperture driver". I'm not familiar with the details of how it works. I guess it provides access to limited ranges of memory. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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