From owner-freebsd-security Mon Mar 4 5:10: 0 2002 Delivered-To: freebsd-security@freebsd.org Received: from mail.spc.org (insomnia.spc.org [195.224.94.183]) by hub.freebsd.org (Postfix) with SMTP id 0575A37B416 for ; Mon, 4 Mar 2002 05:09:56 -0800 (PST) Received: (qmail 26883 invoked by uid 1031); 4 Mar 2002 12:58:56 -0000 Date: Mon, 4 Mar 2002 12:58:56 +0000 From: Bruce M Simpson To: Martin Blapp Cc: freebsd-security@freebsd.org Subject: Re: implementing non-executable pages for IA-32 processors Message-ID: <20020304125855.H2325@spc.org> Mail-Followup-To: Bruce M Simpson , Martin Blapp , freebsd-security@freebsd.org References: <20020301125948.W40806-100000@levais.imp.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20020301125948.W40806-100000@levais.imp.ch>; from mb@imp.ch on Fri, Mar 01, 2002 at 01:01:13PM +0100 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Fri, Mar 01, 2002 at 01:01:13PM +0100, Martin Blapp wrote: > > Hi, > Could this adapted to FreeBSD ? > http://pageexec.virtualave.net/pageexec.txt Yes, but it's got issues in that it relies upon the behaviour of a combination of page flags which is normally inconsistent on Intel processors. I know SecureWave offer such functionality as a product for Windows 2000 and NT, but the small print says 'Intel procesors supported only'. BMS To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message