On 2/18/15 1:08 PM, Leif Johansson wrote:
18 feb 2015 kl. 19:54 skrev Pete Resnick<presn...@qti.qualcomm.com>:

On 2/18/15 5:07 AM, Leif Johansson wrote:
The idea of making best practice sorta-kinda normative makes me a bit
queasy.
Let's not forget that a BCP *is* a community consensus document. It means that 
the IETF community has decided that we do things a particular way. A BCP *is* 
normative.

I think it's quite reasonable for the document to say, "MUST NOT negotiate 
SSLv2" because doing otherwise causes harm to implementations and to the net in 
general. There are no Internet police. If you violate that MUST NOT, you don't go to 
jail. We're simply saying that they way to do security properly on the Internet is that 
you MUST NOT use SSLv2.

So I don't have a problem with the document saying, "Existing protocols have 
tradeoffs to make between interoperability and security, so we (the IETF) expect those 
tradeoffs to be made. New protocols we (the IETF) expect to abide by the requirements and 
recommendations in this document unless they give some serious justification for not 
doing so." That's what we mean by a BCP.
hmm yeah sure

"During a lecture the Oxford linguistic philosopher J. L. Austin made the claim that although a double negative in English implies a positive meaning, there is no language in which a double positive implies a negative. To which [philosopher Sidney] Morgenbesser responded in a dismissive tone, 'Yeah, right.'"

pr

--
Pete Resnick<http://www.qualcomm.com/~presnick/>
Qualcomm Technologies, Inc. - +1 (858)651-4478

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