Re: p1: Receiving a higher minor HTTP version number

Willy Tarreau <w@1wt.eu> Sat, 20 April 2013 06:30 UTC

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Date: Sat, 20 Apr 2013 08:29:04 +0200
From: Willy Tarreau <w@1wt.eu>
To: Mark Nottingham <mnot@mnot.net>
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Subject: Re: p1: Receiving a higher minor HTTP version number
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On Sat, Apr 20, 2013 at 02:07:17PM +1000, Mark Nottingham wrote:
> I don't see anything in p1 2.6 Protocol Versioning that explicitly says an
> implementation ought to accept a message that has the same major version
> number it implements, but a higher minor version number.
> 
> I think we need to spell this out, because IME some servers do error out on
> (for example) a HTTP/1.2 request.

Makes sense but I'm not sure that these implementations will change for
this these days anyway, with 2.0 coming. Also we have seen with the
1.0->1.1 transition that the minor change was not that seemless (specifically
due to persistent conns).

Willy