Re: p1: Via and gateways

On 23/04/2013, at 4:43 PM, Willy Tarreau <w@1wt.eu> wrote:

> Then I would propose this addition :
> 
>   Multiple Via field values represent each proxy or gateway that has
>   forwarded the message.  Each recipient MUST append its information
>   such that the end result is ordered according to the sequence of
> -  forwarding applications.
> +  forwarding applications. A gateway MAY simply relay any existing Via
> +  header field if it does not change the HTTP version, but it MUST NOT
> +  remove it.

This is already covered further down:

> A proxy or gateway may combine an ordered subsequence of Via header field entries into a single such entry if the entries have identical received-protocol values.

The question I was raising was specific: can we relax the requirement for a gateway to add Via to responses if there isn't already one present?

--
Mark Nottingham   http://www.mnot.net/

Received on Wednesday, 24 April 2013 03:28:12 UTC