From: Tony Finch <dot@dotat.at>
To: Dave Horsfall <dave@horsfall.org>
Cc: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] [SPAM] Re: SCCS
Date: Mon, 16 Sep 2019 11:59:35 +0100 [thread overview]
Message-ID: <alpine.DEB.2.20.1909161157330.5352@grey.csi.cam.ac.uk> (raw)
In-Reply-To: <alpine.BSF.2.21.9999.1909140824240.18105@aneurin.horsfall.org>
Dave Horsfall <dave@horsfall.org> wrote:
>
> I was thinking of an intermediate router (probably one that you never knew
> about) corrupting the checksum-less UDP packet, recalculating the Ethernet
> checksum, and your kernel happily accepting it; you now have an application
> that fails for some unknown reason.
>
> Never seen it in practice, but I've heard of it happening.
This paper has some examples:
http://conferences.sigcomm.org/sigcomm/2000/conf/paper/sigcomm2000-9-1.pdf
Tony.
--
f.anthony.n.finch <dot@dotat.at> http://dotat.at/
Forth, Tyne, West Dogger: Westerly 3 to 5 veering northwesterly 4 to 6. Slight
or moderate, becoming moderate or rough except in west Forth. Mainly fair.
Good.
next prev parent reply other threads:[~2019-09-16 11:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-13 22:01 Norman Wilson
2019-09-13 22:30 ` Dave Horsfall
2019-09-16 10:59 ` Tony Finch [this message]
2019-09-16 12:11 ` Leah Neukirchen
2019-09-16 21:45 ` Dave Horsfall
2019-09-16 22:21 ` George Michaelson
-- strict thread matches above, loose matches on Subject: below --
2019-09-09 6:25 [TUHS] PWB vs Unix/TS Warner Losh
2019-09-10 15:16 ` Clem Cole
2019-09-11 3:53 ` Warner Losh
2019-09-11 15:36 ` Clem Cole
2019-09-11 18:11 ` Larry McVoy
2019-09-11 22:49 ` Dave Horsfall
2019-09-12 3:43 ` [TUHS] SCCS Larry McVoy
2019-09-12 4:20 ` George Michaelson
2019-09-12 4:31 ` [TUHS] [SPAM] SCCS Larry McVoy
2019-09-12 13:44 ` Tony Finch
2019-09-13 4:11 ` Larry McVoy
2019-09-13 5:54 ` Dave Horsfall
2019-09-13 8:00 ` Peter Jeremy
2019-09-13 15:23 ` Larry McVoy
2019-09-13 21:36 ` Dave Horsfall
2019-09-12 4:28 ` [TUHS] SCCS Jon Forrest
2019-09-12 16:45 ` Eric Allman
2019-09-12 17:29 ` Clem Cole
2019-09-13 8:12 ` emanuel stiebler
2019-09-13 21:11 ` Steffen Nurpmeso
2019-09-13 21:17 ` Larry McVoy
2019-09-13 23:03 ` Steffen Nurpmeso
2019-09-14 1:55 ` [TUHS] [SPAM] SCCS Larry McVoy
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