Date: Sat, 19 Jan 2002 14:02:54 +0300 From: "Andrey A. Chernov" <ache@nagual.pp.ru> To: Mark Murray <mark@grondar.za> 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> In-Reply-To: <20020119105418.GA7683@nagual.pp.ru> References: <200201191009.g0JA95b91076@freefall.freebsd.org> <200201191047.g0JAl8t20334@grimreaper.grondar.org> <20020119105418.GA7683@nagual.pp.ru>
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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
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