Re: The TCP and UDP checksum algorithm may soon need updating
Michael Richardson <mcr+ietf@sandelman.ca> Mon, 08 June 2020 00:59 UTC
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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Craig Partridge <craig@tereschau.net>, IETF discussion list <ietf@ietf.org>
Subject: Re: The TCP and UDP checksum algorithm may soon need updating
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Date: Sun, 07 Jun 2020 20:59:32 -0400
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Thank you for these references. 1 in 121. wow. Craig Partridge <craig@tereschau.net> wrote: > Anecdotally, folks are reporting some middlebox vendors are not > updating the TCP checksum but rather letting the outbound interface > simply recompute the entire checksum -- which means that if the TCP > segment gets damaged during middlebox handling, the middlebox will slap > a valid checksum on bad data. Seems like an argument for anyone dealing with large data transfers to consider IPv4 End of Life. IPv6 is here... Use it. (I'd wish that this also meant using IPsec AH, which we could probably do with IPv6, but we never got useful APIs. Insert Sad-Poo Emoji) -- Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works -= IPv6 IoT consulting =-
- The TCP and UDP checksum algorithm may soon need … Craig Partridge
- Re: The TCP and UDP checksum algorithm may soon n… Joe Touch
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Craig Partridge
- Re: The TCP and UDP checksum algorithm may soon n… Richard Barnes
- Re: The TCP and UDP checksum algorithm may soon n… Craig Partridge
- Re: The TCP and UDP checksum algorithm may soon n… Brian E Carpenter
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Richard Barnes
- Re: The TCP and UDP checksum algorithm may soon n… Richard Barnes
- Re: The TCP and UDP checksum algorithm may soon n… Christian Huitema
- Re: The TCP and UDP checksum algorithm may soon n… Christian Huitema
- Re: The TCP and UDP checksum algorithm may soon n… Phillip Hallam-Baker
- Re: The TCP and UDP checksum algorithm may soon n… Joseph Touch
- Re: The TCP and UDP checksum algorithm may soon n… Stewart Bryant
- Re: The TCP and UDP checksum algorithm may soon n… Phillip Hallam-Baker
- Re: The TCP and UDP checksum algorithm may soon n… Joseph Touch
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Michael Richardson
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Craig Partridge
- Re: The TCP and UDP checksum algorithm may soon n… Masataka Ohta
- Re: The TCP and UDP checksum algorithm may soon n… John Levine
- Re: The TCP and UDP checksum algorithm may soon n… Phillip Hallam-Baker
- Re: The TCP and UDP checksum algorithm may soon n… Joseph Touch
- Re: The TCP and UDP checksum algorithm may soon n… Christian Huitema
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Joseph Touch
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Salz, Rich
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Salz, Rich
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Michael Richardson
- Re: The TCP and UDP checksum algorithm may soon n… Benjamin Kaduk
- Re: The TCP and UDP checksum algorithm may soon n… Nick Hilliard
- Re: The TCP and UDP checksum algorithm may soon n… Carsten Bormann
- Re: The TCP and UDP checksum algorithm may soon n… Nick Hilliard
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Joe Touch
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Nick Hilliard
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Nick Hilliard
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Carsten Bormann
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… John C Klensin
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Richard Barnes
- Re: The TCP and UDP checksum algorithm may soon n… Russ Housley
- Re: The TCP and UDP checksum algorithm may soon n… Brian E Carpenter
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Warren Kumari
- Re: The TCP and UDP checksum algorithm may soon n… John C Klensin
- Re: The TCP and UDP checksum algorithm may soon n… Christian Huitema
- Re: The TCP and UDP checksum algorithm may soon n… John C Klensin
- Re: The TCP and UDP checksum algorithm may soon n… Craig Partridge
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Eric Rescorla
- Re: The TCP and UDP checksum algorithm may soon n… Craig Partridge
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Nico Williams
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… John Levine
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas
- Re: The TCP and UDP checksum algorithm may soon n… Brian E Carpenter
- Re: The TCP and UDP checksum algorithm may soon n… Warren Kumari
- Re: The TCP and UDP checksum algorithm may soon n… John R Levine
- Re: The TCP and UDP checksum algorithm may soon n… tom petch
- Re: The TCP and UDP checksum algorithm may soon n… Salz, Rich
- Re: The TCP and UDP checksum algorithm may soon n… Carsten Bormann
- Re: The TCP and UDP checksum algorithm may soon n… Salz, Rich
- Re: The TCP and UDP checksum algorithm may soon n… Craig Partridge
- Re: The TCP and UDP checksum algorithm may soon n… Michael Thomas