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Re: Structured Fields / Retrofit: Fixing up parsing (#2235)

From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Mon, 27 Feb 2023 07:53:20 +0000
Message-Id: <202302270753.31R7rKQ7038374@critter.freebsd.dk>
To: Mark Nottingham <mnot@mnot.net>
cc: HTTP Working Group <ietf-http-wg@w3.org>
Mark Nottingham writes:

> 3. Don't do the fix-ups at all (very slightly reducing the success rate
> of compatible header parsing in retrofit; note that it will never be
> 100%).

Strongly in favor of #3.

My own test data indicates that the "consequential error-rate" is even
lower than the 0.1% Mark mentions, because some of the affected fields
can be ignored without changing the semantics of the transaction.

Further, the number also seems elevated by parsing-failures in
requests from clearly inexpertly implemented bots.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Monday, 27 February 2023 07:53:33 UTC

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