Date: Sun, 7 Aug 2016 17:57:31 +0300 From: Andrey Chernov <ache@freebsd.org> To: Warner Losh <wlosh@bsdimp.com> Cc: Slawa Olhovchenkov <slw@zxy.spb.ru>, Bruce Simpson <bms@fastmail.net>, Oliver Pinter <oliver.pinter@hardenedbsd.org>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, =?UTF-8?Q?Dag-Erling_Sm=c3=b8rgrav?= <des@freebsd.org> Subject: Re: svn commit: r303716 - head/crypto/openssh Message-ID: <cd1c1f54-1a25-9cd7-eb7e-8bf4f1a07f97@freebsd.org> In-Reply-To: <4D28752C-0584-4294-9250-FA88B0C6E805@bsdimp.com> References: <201608031608.u73G8Mjq055909@repo.freebsd.org> <d419bddd-fe56-bc11-8965-142ca0b94ebc@fastmail.net> <9a01870a-d99d-13a2-54bd-01d32616263c@fastmail.net> <CAPQ4fftQ30_aqU8V_ea-WEKBdMZs5H9Rwxnfa0crid_df049nQ@mail.gmail.com> <b99c06ac-82d6-ccda-419c-2ece5be4636f@fastmail.net> <30e655d1-1df7-5e2a-fccb-269e3cea4684@freebsd.org> <20160807125227.GC22212@zxy.spb.ru> <7237f5e6-fd65-a7e5-7751-4ed1c464b39a@freebsd.org> <4D28752C-0584-4294-9250-FA88B0C6E805@bsdimp.com>
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On 07.08.2016 17:40, Warner Losh wrote: > >> On Aug 7, 2016, at 7:21 AM, Andrey Chernov <ache@freebsd.org> wrote: >>> >>>> We can't turn our security >>>> team into compatibility team, by constantly restoring removed code, such >>>> code quickly becomes outdated and may add new security holes even being >>>> inactive. >>> >>> What is security hole by present this ciphers in _client_? >> >> It is obvious, but it will be better for you to ask openssh author about >> his decisions, I have no intention to act like explainer of his action. > > That’s a cop-out answer. We, as a project, need to articulate to our > users, whom we care about, why this rather obnoxious hit to usability > was taken. The answer must be more complete than “We just disabled > it because upstream disabled it for reasons we’re too lazy to explain > or document how to work around" Maybe I am too lazy, but in this particular case I prefer explanation from the author rather then my own explanations. In general my guessing of author intentions related to compatibility case can be not correct enough, so I don't want anybody relay on it. I.e. I don't want to mislead anybody.
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