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From: Larry McVoy <lm@mcvoy.com>
To: John Levine <johnl@taugh.com>
Cc: tuhs@tuhs.org, benjamin.p.kallus.gr@dartmouth.edu
Subject: [TUHS] Re: OT: LangSec (Re: A fuzzy awk.)
Date: Mon, 20 May 2024 13:11:22 -0700	[thread overview]
Message-ID: <20240520201122.GC27662@mcvoy.com> (raw)
In-Reply-To: <20240520200226.80F428B9493A@ary.qy>

On Mon, May 20, 2024 at 04:02:26PM -0400, John Levine wrote:
> It appears that Ben Kallus <benjamin.p.kallus.gr@dartmouth.edu> said:
> >> It may become hard to reconcile this with the robustness principle
> >> (Be conservative in what you send, be liberal in what you accept)
> >> that Jon Postel popularized. Maybe it becomes necessary, though.
> >
> >Yes; the LangSec people essentially reject the robustness principle.
> >
> >See https://langsec.org/papers/postel-patch.pdf
> 
> On the contrary, they actually understand it.
> 
> Postel was widely misunderstood to say that you should try to accept
> arbitrary garbage. People who knew him tell me that he meant to be
> liberal when the spec is ambiguous, not to allow stuff that is just
> wrong. As their quote from RFC 1122 points out, he also said you
> should be prepared for arbitrary garbage so you can reject it.

Yeah, I read the pdf and I took away the same thing as John.
-- 
---
Larry McVoy           Retired to fishing          http://www.mcvoy.com/lm/boat

  reply	other threads:[~2024-05-20 20:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-20 13:06 [TUHS] A fuzzy awk. (Was: The 'usage: ...' message.) Douglas McIlroy
2024-05-20 13:14 ` [TUHS] " arnold
2024-05-20 14:00   ` G. Branden Robinson
2024-05-20 13:25 ` Chet Ramey
2024-05-20 13:41   ` [TUHS] Re: A fuzzy awk Ralph Corderoy
2024-05-20 14:26     ` Chet Ramey
2024-05-22 13:44     ` arnold
2024-05-20 13:54 ` Ralph Corderoy
2024-05-20 15:39   ` [TUHS] OT: LangSec (Re: A fuzzy awk.) Åke Nordin
2024-05-20 16:09     ` [TUHS] " Ben Kallus
2024-05-20 20:02       ` John Levine
2024-05-20 20:11         ` Larry McVoy [this message]
2024-05-20 21:00           ` Ben Kallus
2024-05-20 21:03             ` John R Levine
2024-05-20 21:14             ` Larry McVoy
2024-05-20 21:46               ` Ben Kallus
2024-05-20 21:57                 ` Larry McVoy
2024-05-20 16:06 ` [TUHS] Re: A fuzzy awk. (Was: The 'usage: ...' message.) Paul Winalski

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