Re: clarify some MUST requirements in HTTPbis part 1 section 3.3

On 12/08/2011 08:41 AM, Willy Tarreau wrote:
> Hi Alex,
> 
> On Thu, Dec 08, 2011 at 08:25:25AM -0700, Alex Rousskov wrote:
> (...)
>> Please note that both approaches will require introduction of new
>> normative vocabulary. AFAICT, we currently do not have any normative
>> language that clearly distinguishes "generation" from "forwarding" in
>> the context of "sending". That has to be fixed regardless of the
>> approach. Otherwise, proxy developers will continue to misinterpret
>> "send" and "sender" rules.
>>
>> I have proposed specific wording for the "global exception for proxies"
>> approach. If there is consensus that the first approach is the way to
>> go, I would be happy to try to reshape that proposal to just introduce
>> the necessary generation/forwarding vocabulary.
> 
> I think that if we carefully define what a "sender" is and what "send"
> means, we can avoid the global exception without rewriting every MUST
> rule, because after all the base of the problem lies there.

A definition of "send" and "sender" that avoids rewriting most sending
rules while allowing proxies to forward some invalid headers is
essentially the same as the global exception.

Alex.