From owner-cvs-all Fri Feb 21 5:52:10 2003 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CB52237B405; Fri, 21 Feb 2003 05:52:04 -0800 (PST) Received: from gw.nectar.cc (gw.nectar.cc [208.42.49.153]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0411543F85; Fri, 21 Feb 2003 05:52:04 -0800 (PST) (envelope-from nectar@celabo.org) Received: from madman.celabo.org (madman.celabo.org [10.0.1.111]) by gw.nectar.cc (Postfix) with ESMTP id 8E61A9A; Fri, 21 Feb 2003 07:52:03 -0600 (CST) Received: by madman.celabo.org (Postfix, from userid 1001) id 6C2DD78C3E; Fri, 21 Feb 2003 07:50:56 -0600 (CST) Date: Fri, 21 Feb 2003 07:50:56 -0600 From: "Jacques A. Vidrine" To: "M. Warner Losh" Cc: 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: <20030221135056.GA32007@madman.celabo.org> References: <200302210528.h1L5SS0H092948@repoman.freebsd.org> <20030221131205.GE30966@sunbay.com> <20030221.062059.34122968.imp@bsdimp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030221.062059.34122968.imp@bsdimp.com> X-Url: http://www.celabo.org/ User-Agent: Mutt/1.5.3i-ja.1 Sender: owner-cvs-all@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 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. Cheers, -- Jacques A. Vidrine http://www.celabo.org/ NTT/Verio SME . FreeBSD UNIX . Heimdal Kerberos jvidrine@verio.net . nectar@FreeBSD.org . nectar@kth.se To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message