Re: [OPSEC] HbH flags [Tsvart last call review of draft-ietf-opsec-ipv6-eh-filtering-06]
Joe Touch <touch@strayalpha.com> Wed, 05 December 2018 22:51 UTC
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From: Joe Touch <touch@strayalpha.com>
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Date: Wed, 05 Dec 2018 14:50:58 -0800
Cc: Christopher Morrow <morrowc.lists@gmail.com>, ietf <ietf@ietf.org>, draft-ietf-opsec-ipv6-eh-filtering.all@ietf.org, opsec wg mailing list <opsec@ietf.org>, tsv-art@ietf.org
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To: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Subject: Re: [OPSEC] HbH flags [Tsvart last call review of draft-ietf-opsec-ipv6-eh-filtering-06]
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> On Dec 5, 2018, at 12:04 PM, Brian E Carpenter <brian.e.carpenter@gmail.com> wrote: > >> On 2018-12-06 01:16, Joe Touch wrote: >> >> >> On Dec 4, 2018, at 8:46 PM, Brian E Carpenter <brian.e.carpenter@gmail.com> wrote: >> >>>> Nobody deprecated the flags that require HBH options to be processed or dropped if not supported. >>> >>> Intentionally. If a forwarding node is transparent to HbH options, >>> it is not looking at those flags. If it is looking at HbH options, >>> it will obey those flags. Why is that a problem? >> >> What exactly does ‘transparent to HbH options mean’ if not ‘not supported’? > > It means a forwarding node that uses the exception added by RFC7045 and simply > doesn't even look for an HbH header. The flag bits are invisible and irrelevant > to such a node. The flag bits apply as defined for a forwarding node that *does* > process HbH options, so they certainly should not be deprecated Do why bother with “drop if not supported” if not supported can mean silently skipped over? Or the other variants? They’re now meaningless but required to support. You don’t see the contradiction? > > Brian > >> >> In that case, the flags have exactly no meaning anywhere. But they’re not deprecated. >> >> That makes no sense at all. >> >> Joe >> . >> >
- [OPSEC] Tsvart last call review of draft-ietf-ops… Michael Scharf
- Re: [OPSEC] Tsvart last call review of draft-ietf… Joe Touch
- Re: [OPSEC] Tsvart last call review of draft-ietf… Brian E Carpenter
- Re: [OPSEC] Tsvart last call review of draft-ietf… Joe Touch
- Re: [OPSEC] Tsvart last call review of draft-ietf… Fernando Gont
- Re: [OPSEC] Tsvart last call review of draft-ietf… Fernando Gont
- Re: [OPSEC] Tsvart last call review of draft-ietf… Joe Touch
- Re: [OPSEC] Tsvart last call review of draft-ietf… Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Brian E Carpenter
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Christian Huitema
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Brian E Carpenter
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Christian Huitema
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Fernando Gont
- Re: [OPSEC] Tsvart last call review of draft-ietf… Fernando Gont
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] Tsvart last call review of draft-ietf… Joe Touch
- Re: [OPSEC] Tsvart last call review of draft-ietf… Eric Rescorla
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Ole Troan
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Benjamin Kaduk
- Re: [OPSEC] Tsvart last call review of draft-ietf… Mark Andrews
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Brian E Carpenter
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Stewart Bryant
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Stewart Bryant
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Stewart Bryant
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Christopher Morrow
- Re: [OPSEC] Tsvart last call review of draft-ietf… C. M. Heard
- Re: [OPSEC] Tsvart last call review of draft-ietf… Christopher Morrow
- Re: [OPSEC] Tsvart last call review of draft-ietf… Brian E Carpenter
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] Tsvart last call review of draft-ietf… Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Brian E Carpenter
- Re: [OPSEC] Tsvart last call review of draft-ietf… Brian E Carpenter
- Re: [OPSEC] Tsvart last call review of draft-ietf… Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] Tsvart last call review of draft-ietf… Christopher Morrow
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Christopher Morrow
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Brian E Carpenter
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Christopher Morrow
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Mark Andrews
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … David Farmer
- Re: [OPSEC] Tsvart last call review of draft-ietf… Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Stewart Bryant
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Ole Troan
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Randy Bush
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Ole Troan
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Stewart Bryant
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Ole Troan
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Christian Huitema
- [OPSEC] HbH flags [Tsvart last call review of dra… Brian E Carpenter
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Brian E Carpenter
- [OPSEC] game over, EH [Tsvart last call review of… Brian E Carpenter
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- [OPSEC] ECMP [Tsvart last call review of draft-ie… Brian E Carpenter
- Re: [OPSEC] HbH flags [Tsvart last call review of… Brian E Carpenter
- Re: [OPSEC] game over, EH [Tsvart last call revie… Stephen Farrell
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Brian E Carpenter
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Fernando Gont
- Re: [OPSEC] game over, EH [Tsvart last call revie… Fernando Gont
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Fernando Gont
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Christopher Morrow
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Christopher Morrow
- Re: [OPSEC] HbH flags [Tsvart last call review of… Christopher Morrow
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] HbH flags [Tsvart last call review of… Gert Doering
- Re: [OPSEC] game over, EH [Tsvart last call revie… Gert Doering
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Brian Trammell (IETF)
- Re: [OPSEC] game over, EH [Tsvart last call revie… Stewart Bryant
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Stewart Bryant
- Re: [OPSEC] HbH flags [Tsvart last call review of… Ole Troan
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Stewart Bryant
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Ole Troan
- Re: [OPSEC] game over, EH [Tsvart last call revie… Stewart Bryant
- Re: [OPSEC] game over, EH [Tsvart last call revie… Gert Doering
- Re: [OPSEC] HbH flags [Tsvart last call review of… Stewart Bryant
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Stewart Bryant
- Re: [OPSEC] game over, EH [Tsvart last call revie… Stewart Bryant
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Gert Doering
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Ole Troan
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Spencer Dawkins at IETF
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Ole Troan
- Re: [OPSEC] HbH flags [Tsvart last call review of… Stewart Bryant
- Re: [OPSEC] HbH flags [Tsvart last call review of… Joe Touch
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Fernando Gont
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Smith, Donald
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Ole Troan
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Fernando Gont
- Re: [OPSEC] game over, EH [Tsvart last call revie… C. M. Heard
- Re: [OPSEC] game over, EH [Tsvart last call revie… Jared Mauch
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Jared Mauch
- Re: [OPSEC] game over, EH [Tsvart last call revie… C. M. Heard
- Re: [OPSEC] game over, EH [Tsvart last call revie… Smith, Donald
- Re: [OPSEC] game over, EH [Tsvart last call revie… Gert Doering
- Re: [OPSEC] game over, EH [Tsvart last call revie… Nico Williams
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Brian E Carpenter
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Nick Hilliard
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Brian E Carpenter
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Nick Hilliard
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Brian E Carpenter
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Eric Rescorla
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Jared Mauch
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Fernando Gont
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Christopher Morrow
- Re: [OPSEC] HbH flags [Tsvart last call review of… Christopher Morrow
- Re: [OPSEC] [Tsv-art] Tsvart last call review of … Gert Doering
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Eric Rescorla
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Jared Mauch
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Eric Rescorla
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Joe Touch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Pete Resnick
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Jared Mauch
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Jared Mauch
- Re: [OPSEC] HbH flags [Tsvart last call review of… Jared Mauch
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Joe Touch
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Nico Williams
- [OPSEC] OT: TCP session lifetime - Re: [Tsv-art] … Jared Mauch
- Re: [OPSEC] OT: TCP session lifetime - Re: [Tsv-a… Nico Williams
- Re: [OPSEC] [Tsv-art] game over, EH [Tsvart last … Eric Rescorla
- Re: [OPSEC] OT: TCP session lifetime - Re: [Tsv-a… Gert Doering
- [OPSEC] Engaging constructively [HbH flags [Tsvar… Alissa Cooper
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Wes Hardaker
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Brian E Carpenter
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Wes Hardaker
- Re: [OPSEC] ECMP [Tsvart last call review of draf… Fernando Gont