From owner-cvs-all Sat Jan 19 3: 3: 3 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 B550637B400; Sat, 19 Jan 2002 03:02:57 -0800 (PST) Received: (from ache@localhost) by nagual.pp.ru (8.11.6/8.11.6) id g0JB2sN07851; Sat, 19 Jan 2002 14:02:54 +0300 (MSK) (envelope-from ache) Date: Sat, 19 Jan 2002 14:02:54 +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: <20020119110253.GC7683@nagual.pp.ru> References: <200201191009.g0JA95b91076@freefall.freebsd.org> <200201191047.g0JAl8t20334@grimreaper.grondar.org> <20020119105418.GA7683@nagual.pp.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020119105418.GA7683@nagual.pp.ru> 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 13:54:19 +0300, Andrey A. Chernov wrote: > On Sat, Jan 19, 2002 at 10:47:08 +0000, Mark Murray wrote: > > > ache 2002/01/19 02:09:05 PST > > > > > > Modified files: > > > lib/libpam/modules/pam_opie pam_opie.c > > > Log: > > > If user not exist in OPIE system, return failure immediately instead > > > of producing fake prompts with random numbers which can be detected by > > > potential intruder in two tries and totally confuse non-OPIE users. > > > > 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. -- 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