From owner-cvs-all Sat Jan 19 6:37:55 2002 Delivered-To: cvs-all@freebsd.org Received: from nagual.pp.ru (pobrecita.freebsd.ru [194.87.13.42]) by hub.freebsd.org (Postfix) with ESMTP id B7C4337B404; Sat, 19 Jan 2002 06:37:45 -0800 (PST) Received: (from ache@localhost) by nagual.pp.ru (8.11.6/8.11.6) id g0JEbfl10062; Sat, 19 Jan 2002 17:37:41 +0300 (MSK) (envelope-from ache) Date: Sat, 19 Jan 2002 17:37:40 +0300 From: "Andrey A. Chernov" To: Mark Murray Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/lib/libpam/modules/pam_opie pam_opie.c Message-ID: <20020119143740.GC9803@nagual.pp.ru> References: <20020119110253.GC7683@nagual.pp.ru> <200201191419.g0JEJDt21531@grimreaper.grondar.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200201191419.g0JEJDt21531@grimreaper.grondar.org> User-Agent: Mutt/1.3.24i 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 Sat, Jan 19, 2002 at 14:19:12 +0000, Mark Murray wrote: > > > > I object to this. The better way is to produce fake but (semi-) constant > > > > challenge. > > > > > > It is impossible. > > > > > > 1) How do you plan to identify intruder to keep choosed semi-constance for > > > him? > > > > > > > I.e. those fake promts is typical fake security example which gains no > > real security but problems. > > An attacker can now tell the difference between a real UID and one which > does not exist. And what next? BTW, there is lots of other methods to tell this, f.e. sendmail. -- Andrey A. Chernov http://ache.pp.ru/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message