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Re: Via header specification bug

From: Julian Reschke <julian.reschke@gmx.de>
Date: Tue, 22 Nov 2016 13:58:36 +0100
To: Daurnimator <quae@daurnimator.com>, HTTP Working Group <ietf-http-wg@w3.org>
Message-ID: <47ec0907-2eb9-5724-cee1-a4ab7c04e1b2@gmx.de>
On 2016-11-22 13:18, Daurnimator wrote:
> I think I found a bug in the specification of the Via header as given
> in RFC 7230
> ...

Oops.

It seems this bug was introduced because RFC 3986 relaxed the syntax for 
"host" (as opposed to RFC 2396).

I think this requires an erratum; but let's discuss the fix first.

We could:

1) replace "host" by something more restrictive. Drawback: can't express 
all host names legal in RFC 3986.

2) require some or all sub-delims to be percent-escaped when they occur 
here.

 > ...

Best regards, Julian
Received on Tuesday, 22 November 2016 12:59:12 UTC

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