From owner-cvs-src Fri Feb 21 6:31:54 2003 Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EA77C37B405; Fri, 21 Feb 2003 06:31:52 -0800 (PST) Received: from mx0.freebsd-services.com (survey.codeburst.net [195.149.39.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1C31443FBD; Fri, 21 Feb 2003 06:31:51 -0800 (PST) (envelope-from paul@freebsd-services.com) Received: by mx0.freebsd-services.com (Postfix, from userid 1002) id 07FAB1B211; Fri, 21 Feb 2003 14:31:50 +0000 (GMT) Date: Fri, 21 Feb 2003 14:31:49 +0000 From: Paul Richards To: "Jacques A. Vidrine" Cc: "M. Warner Losh" , ru@FreeBSD.org, cjc@FreeBSD.org, src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet in_pcb.c Message-ID: <20030221143149.GF68768@survey.codeburst.net> References: <200302210528.h1L5SS0H092948@repoman.freebsd.org> <20030221131205.GE30966@sunbay.com> <20030221.062059.34122968.imp@bsdimp.com> <20030221135056.GA32007@madman.celabo.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030221135056.GA32007@madman.celabo.org> User-Agent: Mutt/1.4i Sender: owner-cvs-src@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, Feb 21, 2003 at 07:50:56AM -0600, Jacques A. Vidrine wrote: > On Fri, Feb 21, 2003 at 06:20:59AM -0700, M. Warner Losh wrote: > > One implication of this is that if you have a server running on a > > used-to-be priviledged port and now run it on a no-privs port your > > machine has more potential for compromise. If an attacker can make > > that server die, and has an accaount on your machine, that attacker > > can replace the daemon with his own by winning the restart race. With > > priviledged ports, root was the only one that mattered. > > Yes, this is why this feature _must_ remain `off' by default. > I think some features should be labelled as "experimental". This is a change that may have some benefit but may also be one that we wish hadn't happened and therefore it should be clear that this is a feature that's been implemented "to see how it goes" when deployed more widely. Paul. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-src" in the body of the message