Hi,
At 17:11 22/10/2009, Iñaki Baz Castillo wrote:
El Jueves, 22 de Octubre de 2009, Jacques Caron escribió:
> At 16:08 22/10/2009, Eric B. wrote:
> >1) There is no way to know the exact sequence of the headers.
>
> As already pointed out by Dave, the HTTP RFC explicitly says that
> header: a
> header: b
>
> is exactly equivalent to:
> header: a,b
>
> So the sequence is perfectly defined.
The problem is that X-Forwarded-For definitios is exactly the opposite.
No. Whatever happens, the equivalence is valid. Then there is the
question of what order should you read that in (i.e. did the request
go through a first and then b, or the opposite), which is de facto
defined as "a then b", probably for consistency with the Via header
which works the same.
Jacques.
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