Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread John Levine
Hi.  All of these questions have come up before on the various lists
where this draft was developed, but I suppose it's worth going through
them again.

On the other hand, I have a few questions: the first one, why
Proposed standard? Is it really a good idea to standardize these
lists (most being badly managed)? Why not just Informational if we
just want to document what people are doing?

The decscription of IPv4 DNSBLs/DNSWLs and most of the description of
domain DNSBLs document existing practice.  There aren't any v6 DNSBLs
yet, other than for testing, but there certainly will be, and my hope
here is to preemptively nail down the bits that are arbitrary choices,
e.g., the test addresses, so that software that uses v6 DNSBLs will
continue to interoperate, and DNSBL users continue to be able to
select the most effective lists by changing lines in a config file
rather than reprogramming.  Hence proposed standard.

Second question, the document indeed standardizes many things which
are not in common use but does not point towards a rationale, so some
choices are puzzling. Why TXT records to point to an URL and not
NAPTR?

That's what nearly all DNSBLs do now.  As the draft says in section
2.1, the contents of the TXT are useful to put into a 5xx SMTP
rejection message or the report from a scoring spam filter.

 Is this because of current usage in DNSxL? If so, this should be
 noted. But why IPv6 lists use a A record and not a ?

Because the value isn't an address, it's a 32 bit value typically
interpreted as bitfields, which happens to be most easily transmitted
in an A record.  I've rewritten that part of the doc a few times
trying to make that clear, but I'd be happy to accept language which
makes it clearer.

Incidentally, although it may still be the conventional wisdom in the
IETF that DNSBLs don't work and aren't useful, in the outside world
where 95% or more of mail is spam, they're essential tools to run a
mail server.  Although there are indeed lots of stupid DNSBLs, those
aren't the ones that people use, and there are widely used ones that
have vanishingly low false positive rates that let you knock out most
of the spam cheaply so you can afford to do more expensive filtering
on what's left.  Spamhaus estimates, based on the systems that pay for
their data feeds, that there are about 1.4 billion mailboxes whose
mail is filtered using their lists, and they're the biggest but hardly
the only popular high quality DNSBL.  It's pretty clear that there are
a lot more mail systems that do use DNSBLs than don't.

R's,
John

PS: I noticed a buglet -- in section 5 it says that the apex of a DNSxL
zone may have an A record that points to a web server that contains
explanatory material.  It should of course say A and/or  record.
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Stephane Bortzmeyer
On Fri, Nov 07, 2008 at 02:18:21PM -,
 John Levine [EMAIL PROTECTED] wrote 
 a message of 55 lines which said:

 All of these questions have come up before on the various lists
 where this draft was developed, but I suppose it's worth going
 through

That's the point of an IETF-Wide Last Call. I'm not a participant in
the ASRG.

 Because the value isn't an address, it's a 32 bit value typically
 interpreted as bitfields, which happens to be most easily
 transmitted in an A record.  I've rewritten that part of the doc a
 few times trying to make that clear, but I'd be happy to accept
 language which makes it clearer.

After Each entry in the DNSxL MUST have an A record., add The A
record MUST NOT be interpreted as an IPv4 address. It is an opaque
value, whose presence simply means that the name or address queried is
actually listed in the DNSxL.
 
 Incidentally, although it may still be the conventional wisdom in the
 IETF that DNSBLs don't work and aren't useful, 

No, it's just experience. The last funny case is inside France Telecom
(French largest ISP) where one mail server refused another one because
it was blacklisted :-)

 orange.net #4.0.0 X-SMTP-Server; delivery temporarily suspended: host
relais-ias89.francetelecom.com[193.251.215.89] refused to talk to me: 450
4.7.1
Service temporarily unavailable; Client host [193.252.22.118] blockedusing 
Trend
Micro Network Reputation Service. Please see
http://www.mail-abuse.com/cgi-bin/lookup?ip_address=193.252.22.118; Mailfrom
193.252.22.118 deferred using Trend Micro Email Reputation database.Please 
see
http://www.mail-abuse.com/cgi-bin/lookup?193.252.22.118

 It should of course say A and/or  record.

Or use RFC 5321 vocabulary and write address record.
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread John L

After Each entry in the DNSxL MUST have an A record., add The A
record MUST NOT be interpreted as an IPv4 address. It is an opaque
value, whose presence simply means that the name or address queried is
actually listed in the DNSxL.


Seems reasonable.


No, it's just experience. The last funny case is inside France Telecom
(French largest ISP) where one mail server refused another one because
it was blacklisted :-)


Orange/Wanadoo/FT has a dreadful spam problem, so bad that I've locally 
had blacklist about half of their outbound mail servers.  If the point of 
the blacklist entry in question was to keep spam out of recipients' 
mailboxes, it was probably doing what it was supposed to.


Regards,
John Levine, [EMAIL PROTECTED], Primary Perpetrator of The Internet for 
Dummies,
Information Superhighwayman wanna-be, http://www.johnlevine.com, ex-Mayor
More Wiener schnitzel, please, said Tom, revealingly.
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Re: Last Call: draft-hoffman-dac-vbr (Vouch By Reference) to Proposed Standard

2008-11-07 Thread Paul Hoffman
At 10:35 PM -0800 11/6/08, SM wrote:
The IANA Considerations section is missing.  I suggest registering the header 
as specified in RFC 3864.

We purposely did not make this extensible in this document. From talking to 
many of the companies that would be certifiers, there was no interest in making 
the list extensible. One option is to litter the IANA web site with yet another 
registry that lists the values from the RFC that created the registry and 
nothing else, as is all too common. Instead, we thought it was better to leave 
out the registry; if someone has a good reason for adding a new value, they can 
write an RFC for it and create the registry at that time.

--Paul Hoffman, Director
--VPN Consortium
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Dave CROCKER



Stephane Bortzmeyer wrote:

On Fri, Nov 07, 2008 at 02:18:21PM -,
 John Levine [EMAIL PROTECTED] wrote 

All of these questions have come up before on the various lists
where this draft was developed, but I suppose it's worth going
through


That's the point of an IETF-Wide Last Call. I'm not a participant in
the ASRG.



Stephane,

Your view of the role of IETF Last Call does not match my reading of RFC 2418, 
IETF Working Group Guidelines and Procedure:


   Last-Call is intended as a brief, final check with the
   Internet community, to make sure that no important concerns have been
   missed or misunderstood. The Last-Call should not serve as a more
   general, in-depth review.

You seem to be calling for an in-depth review.

Last Call gives the community a chance to actively put forward concerns, not to 
passively wait and require a detailed exposition by the working group. You note 
that you were not a participant. Yet that is exactly how someone who is 
concerned about the detailed history is supposed to obtain information about the 
detailed process (and affect its outcome.)


Sometimes, specification do contain rationales.  This is one of the things that 
distinguishes IETF specifications from most other standards groups.  But there 
is no requirement for this in IETF documents.  They are specifications, not 
tutorials.




Incidentally, although it may still be the conventional wisdom in the
IETF that DNSBLs don't work and aren't useful, 


No, it's just experience. The last funny case is inside France Telecom
(French largest ISP) where one mail server refused another one because
it was blacklisted :-)


That's a problem with administration and operation, not with specification of 
the format.


d/
--

  Dave Crocker
  Brandenburg InternetWorking
  bbiw.net
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Sam Hartman
 Dave == Dave CROCKER [EMAIL PROTECTED] writes:

Dave Stephane Bortzmeyer wrote:
 On Fri, Nov 07, 2008 at 02:18:21PM -, John Levine
 [EMAIL PROTECTED] wrote
 All of these questions have come up before on the various
 lists where this draft was developed, but I suppose it's worth
 going through
  That's the point of an IETF-Wide Last Call. I'm not a
 participant in the ASRG.


Dave Stephane,

Dave Your view of the role of IETF Last Call does not match my
Dave reading of RFC 2418, IETF Working Group Guidelines and
Dave Procedure:

It seems quite clear to me that RFC 2418 does not apply at all to the
output of an RG.  From a process and consensus building standpoint,
this last call needs to be treated the same as an individual
submission, not WG output.  RGs are not required to maintain the level
of openness, minutes, etc that WGs do.  Thus, they don't get the
presumption of consensus that a WG does and the comments in 2418 about
last calls do not apply.  Even if a particular RG is open, it's still
not a WG; just as we would expect input from an external organization
to be treated through the individual process regardless of the
openness of that organization, we should do the same for IRTF output.

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Re: Last Call: draft-hoffman-dac-vbr (Vouch By Reference) to Proposed Standard

2008-11-07 Thread John Levine
The IANA Considerations section is missing.  I suggest registering
  the header as specified in RFC 3864.

We purposely did not make this extensible in this document.

I think you're talking past each other here.  I read SM's message
as adding VBR-Info: to the list of known mail header lines here:

http://www.iana.org/assignments/message-headers/perm-headers.html

That seems reasonable.  I agree (having talked to the same companies)
that there is no point in making the header itself extensible at this
point.

R's,
John
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Re: Last Call: draft-hoffman-dac-vbr (Vouch By Reference) to Proposed Standard

2008-11-07 Thread Paul Hoffman
At 5:13 PM + 11/7/08, John Levine wrote:
 The IANA Considerations section is missing.  I suggest registering
  the header as specified in RFC 3864.

We purposely did not make this extensible in this document.

I think you're talking past each other here.  I read SM's message
as adding VBR-Info: to the list of known mail header lines here:

http://www.iana.org/assignments/message-headers/perm-headers.html


sigh That's right, I misread SM's message. We'll include this in the next 
draft. Oh, and also fix the misspelling he found.

--Paul Hoffman, Director
--VPN Consortium
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The purpose of a Last Call

2008-11-07 Thread Dave CROCKER



Sam Hartman wrote:
  It seems quite clear to me that RFC 2418 does not apply at all to the
output of an RG. 


Sam,

I've looked around and the WG Guidelines doc happens to be the only place I 
could find that defines the purpose of a Last Call. The mere fact that the title 
of document is about working groups doesn't obviously limit the scope of that 
definition.


Please explain.  Perhaps there is documentation for the individual and RG 
avenues that I missed?



 From a process and consensus building standpoint,

this last call needs to be treated the same as an individual
submission, not WG output.  RGs are not required to maintain the level
of openness, minutes, etc that WGs do.  
Thus, they don't get the

presumption of consensus that a WG does and the comments in 2418 about
last calls do not apply.  Even if a particular RG is open, it's still
not a WG; just as we would expect input from an external organization
to be treated through the individual process regardless of the


As John said, there was quite a bit of history to this work. All of it entirely 
open.


So I suspect this boils down to a question of whether there is a concern about 
actual history or formality of history, and whether you are suggesting that a 
Last Call for RG or Ind. Sub. carries an affirmative obligation for the 
submitters to provide a detailed review of the decision-making history for their 
work?


Again:

 If someone sees a specific problem, presents it and explains why they 
think it is a problem, then having the submitters respond with details about the 
specific history of the relevant decision(s) makes complete sense.  This, to me, 
is the essence of what a Last Call should deal with, no matter the source of the 
document.


 If, on the other hand, Last Call is an open invitation for an unbounded 
series of why did you make this decision? challenges, I'll ask you to explain 
how this is a community benefit, absent a broad consensus of concern, rather 
than its primarily serving to make the IETF approval process arbitrarily 
indeterminate.


 We have the real and concrete submission of a specification that documents 
existing practice and, so far, a solid demonstration of support for it.


 So what is the purpose of encouraging individuals to lodge open-ended 
challenges?


d/

--

  Dave Crocker
  Brandenburg InternetWorking
  bbiw.net
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Re: Review of draft-ietf-behave-dccp-04

2008-11-07 Thread Rémi Denis-Courmont
On Friday 07 November 2008 13:00:19 ext Christian Vogt, you wrote:
  Whether it's of any use depends on the connection model (or lack
  thereof) of
  the transport protocol. I don't want to presume that this would make
  sense
  for all future transport protocols. [...]

 I don't agree.  A reason for recommending endpoint-independent mapping
 and filtering is to enable applications to refer each other to a host
 behind a NAT. This is desirable independent of the transport protocol.

But whether this is useful depends on the transport protocol and/or connection 
model. It does help for unicast UDP (and UDP-Lite). It does help for TCP, 
only if simultaneous open is supported by the application, the operating 
system and the middleboxes. If does help for DCCP _only_ if the DCCP stack 
implements the simultaneous open option, which is _not_ in the baseline DCCP 
document.

It does not help with, e.g. multicast UDP. It does not mean anything for 
port-less protocol, including ICMP, proto-41, etc. It is insufficient for 
SCTP. Who knows how it applies to would-be future transports?

Besides, I think it's too late for a factorized BEHAVE specification. Good 
news: we have much of the baseline in the BEHAVE-UDP RFC. The other documents 
already borrow quite a lot from it, especially the general concepts and 
terminology.

   REQ-6: If a NAT includes ALGs, they MUST NOT affect DCCP.

 Make it even clearer:

REQ-6: If a NAT includes ALGs, the ALGs MUST NOT affect DCCP.

Right.

-- 
Rémi Denis-Courmont
Maemo Software, Nokia Devices RD
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Stephane Bortzmeyer
On Tue, Nov 04, 2008 at 10:59:46AM -0800,
 The IESG [EMAIL PROTECTED] wrote 
 a message of 26 lines which said:

 - 'DNS Blacklists and Whitelists '
draft-irtf-asrg-dnsbl-07.txt as a Proposed Standard

Well, it is certainly very important that the DNSxL are documented,
given their widespread use. And the I-D is a good document.

On the other hand, I have a few questions: the first one, why
Proposed standard? Is it really a good idea to standardize these
lists (most being badly managed)? Why not just Informational if we
just want to document what people are doing?

Second question, the document indeed standardizes many things which
are not in common use but does not point towards a rationale, so some
choices are puzzling. Why TXT records to point to an URL and not
NAPTR? Is this because of current usage in DNSxL? If so, this should
be noted. But why IPv6 lists use a A record and not a ? I am not
aware of existing IPv6 lists so this cannot be the current usage?



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Re: Review of draft-ietf-behave-dccp-04

2008-11-07 Thread Christian Vogt


Rémi -


(2) On requirements 1 and 3:

REQ-1: A NAT MUST have an Endpoint-Independent Mapping
behavior for DCCP.

REQ-3: If application transparency is most important, it is
RECOMMENDED that a NAT have an Endpoint-independent  
filtering

behavior for DCCP.  If a more stringent filtering behavior is
most important, it is RECOMMENDED that a NAT have an
Address-dependent filtering behavior.

These requirements are general and not specific to DCCP.  Would  
it

make sense to specify them in a separate RFC for NATs in general,
independent of any specific transport protocol?


Whether it's of any use depends on the connection model (or lack  
thereof) of
the transport protocol. I don't want to presume that this would make  
sense

for all future transport protocols. [...]


I don't agree.  A reason for recommending endpoint-independent mapping  
and
filtering is to enable applications to refer each other to a host  
behind a NAT.

This is desirable independent of the transport protocol.



(3) On requirement 6:

REQ-6: If a NAT includes ALGs, it MUST NOT affect DCCP.

This requirement is not 100% clear.  I am assuming it means:   
If a

NAT includes ALGs, the NAT MUST NOT affect DCCP packets that are
processed by one of those ALGs.  Suggest to reword the  
requirement

in this way.


This reads worse to me. An ALG cannot process DCCP packets if it  
does not
affect in any way. There is already a IESG discuss on this. What  
about this?


 REQ-6: If a NAT includes ALGs, they MUST NOT affect DCCP.


Make it even clearer:

  REQ-6: If a NAT includes ALGs, the ALGs MUST NOT affect DCCP.

- Christian


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RE: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Livingood, Jason

 Incidentally, although it may still be the conventional 
 wisdom in the IETF that DNSBLs don't work and aren't useful, 
 in the outside world where 95% or more of mail is spam, 
 they're essential tools to run a mail server.  Although there 
 are indeed lots of stupid DNSBLs, those aren't the ones that 
 people use, and there are widely used ones that have 
 vanishingly low false positive rates that let you knock out 
 most of the spam cheaply so you can afford to do more 
 expensive filtering on what's left.  Spamhaus estimates, 
 based on the systems that pay for their data feeds, that 
 there are about 1.4 billion mailboxes whose mail is filtered 
 using their lists, and they're the biggest but hardly the 
 only popular high quality DNSBL.  It's pretty clear that 
 there are a lot more mail systems that do use DNSBLs than don't.

As an operator of a large mail domain, I'd like to reiterate John's
comments above.  DNSBLs work, are very cost (and computationally)
effective, and are in widespread use.

Regards
Jason
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Doug Otis


On Nov 7, 2008, at 3:17 AM, Stephane Bortzmeyer wrote:


On Tue, Nov 04, 2008 at 10:59:46AM -0800,
The IESG [EMAIL PROTECTED] wrote a message of 26 lines which  
said:



- 'DNS Blacklists and Whitelists '
  draft-irtf-asrg-dnsbl-07.txt as a Proposed Standard


Well, it is certainly very important that the DNSxL are documented,  
given their widespread use. And the I-D is a good document.


On the other hand, I have a few questions: the first one, why  
Proposed standard? Is it really a good idea to standardize these  
lists (most being badly managed)? Why not just Informational if we  
just want to document what people are doing?


Agreed.

Second question, the document indeed standardizes many things which  
are not in common use but does not point towards a rationale, so  
some choices are puzzling. Why TXT records to point to an URL and  
not NAPTR? Is this because of current usage in DNSxL? If so, this  
should be noted. But why IPv6 lists use a A record and not a ? I  
am not aware of existing IPv6 lists so this cannot be the current  
usage?


In putting together planning for IPv6 block-lists, one soon confronts  
the enormity of its potential data-set and the incredible complexity  
related to carrier grade NATs, tunneling protocols, and third-party  
translation services.  :^(


On the other hand, the DKIM signature domain and an accurate on- 
behalf-of value as a tuple offers a safer and simpler basis for  
acceptance with perhaps only a two order increase in the data-set.  In  
today's budget cutting and tight schedules, even establishing a DKIM  
list is not easy where ADSP needs to be modified before this can  
happen. :^(


Perhaps years from now, part of the overhead for sourcing from IPv6  
will be to include DKIM signatures with accurate on-behalf-of  
values.  The on-behalf-of values should be opaque in most cases. 
Today it would seem email wants to pretend to authenticate, rather  
than indicate what is actually authenticated, even when using opaque  
values. :^(


It is seldom that a person's email-address represents the source of  
abuse. Instead, it is often the result of compromised systems  
somewhere in the message stream.


-Doug
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Re: The purpose of a Last Call

2008-11-07 Thread Pete Resnick

On 11/7/08 at 9:38 AM -0800, Dave CROCKER wrote:


Sam Hartman wrote:
It seems quite clear to me that RFC 2418 does not apply at all to 
the output of an RG.


I've looked around and the WG Guidelines doc happens to be the only 
place I could find that defines the purpose of a Last Call. The mere 
fact that the title of document is about working groups doesn't 
obviously limit the scope of that definition.


Please explain.  Perhaps there is documentation for the individual 
and RG avenues that I missed?


http://tools.ietf.org/rfc/rfc4844.txt
http://tools.ietf.org/id/draft-irtf-rfcs-03.txt

We have (IMO) historically screwed up with regard to IRTF and 
individual documents and not given them a proper stream to the RFC 
Editor. The above documents are dealing with that problem.


However, for this particular case, I'm with Sam: An IRTF document 
that is going into the *IETF* standards track is pretty much akin to 
an any other organizations documents going into the IETF standards 
track. It may be the case that the IETF and IRTF have a lot more 
sharing of resources and visibility, than say the IETF and ITU or 
IEEE, and therefore the hand-off should be quite a bit easier. 
However, there is no doubt that this is *different* than a WG handing 
off a document to the IESG for standards track approval. A WG has 
(ostensibly) been subject to the direct observation of an AD all 
along and therefore the IESG should have a pretty full understanding 
of the IETF-wide consensus that has built up around any document 
coming out of that WG by the time the Last Call comes around. That's 
not going to be the case for an IRTF (or individual or other external 
organization) document.


Yes, this is a less-than-efficient use of IETF Last Call. But if you 
want to make efficient use of the process for an *IETF* standards 
track document, work on it in the IETF.


pr
--
Pete Resnick http://www.qualcomm.com/~presnick/
Qualcomm Incorporated - Direct phone: (858)651-4478, Fax: (858)651-1102
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Re: The purpose of a Last Call

2008-11-07 Thread Sam Hartman
 Pete == Pete Resnick [EMAIL PROTECTED] writes:

Pete http://tools.ietf.org/rfc/rfc4844.txt
Pete http://tools.ietf.org/id/draft-irtf-rfcs-03.txt

Pete We have (IMO) historically screwed up with regard to IRTF
Pete and individual documents and not given them a proper stream
Pete to the RFC Editor. The above documents are dealing with that
Pete problem.

As far as I can tell we're in agreement.  Implicit in my comment was
that this document was being published through the IETF stream.  (I'll
leave as an excersise for the pedants what happens if the IRTF tries
to publish an informational document for the IETF stream.)

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Re: The purpose of a Last Call

2008-11-07 Thread Leslie Daigle


+1

If it's going to be an IETF Standard, it has to have IETF consensus.

This seems consistent with the way individual (i.e., non-WG) submissions 
are handled through the IESG.


Leslie.


Pete Resnick wrote:

On 11/7/08 at 9:38 AM -0800, Dave CROCKER wrote:


Sam Hartman wrote:
It seems quite clear to me that RFC 2418 does not apply at all to the 
output of an RG.


I've looked around and the WG Guidelines doc happens to be the only 
place I could find that defines the purpose of a Last Call. The mere 
fact that the title of document is about working groups doesn't 
obviously limit the scope of that definition.


Please explain.  Perhaps there is documentation for the individual and 
RG avenues that I missed?


http://tools.ietf.org/rfc/rfc4844.txt
http://tools.ietf.org/id/draft-irtf-rfcs-03.txt

We have (IMO) historically screwed up with regard to IRTF and individual 
documents and not given them a proper stream to the RFC Editor. The 
above documents are dealing with that problem.


However, for this particular case, I'm with Sam: An IRTF document that 
is going into the *IETF* standards track is pretty much akin to an any 
other organizations documents going into the IETF standards track. It 
may be the case that the IETF and IRTF have a lot more sharing of 
resources and visibility, than say the IETF and ITU or IEEE, and 
therefore the hand-off should be quite a bit easier. However, there is 
no doubt that this is *different* than a WG handing off a document to 
the IESG for standards track approval. A WG has (ostensibly) been 
subject to the direct observation of an AD all along and therefore the 
IESG should have a pretty full understanding of the IETF-wide consensus 
that has built up around any document coming out of that WG by the time 
the Last Call comes around. That's not going to be the case for an IRTF 
(or individual or other external organization) document.


Yes, this is a less-than-efficient use of IETF Last Call. But if you 
want to make efficient use of the process for an *IETF* standards track 
document, work on it in the IETF.


pr


--

---
Reality:
 Yours to discover.
-- ThinkingCat
Leslie Daigle
[EMAIL PROTECTED]
---
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Keith Moore
Under no circumstances should any kind of Blacklists or Whitelists be
accepted by IETF as standards-track documents.  These lists are
responsible for huge numbers of illegitimate delivery failures.  We
should no more be standardizing such lists than to be standardizing spam.

Keith
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Re: Last Call: draft-irtf-asrg-dnsbl (DNS Blacklists and Whitelists)

2008-11-07 Thread Keith Moore
DNSBLs work to degrade the interoperability of email, to make its
delivery less reliable and system less accountable for failures.  They
do NOT meet the no known technical omissions criterion required of
standards-track documents.

The fact that they are widely used is sad, not a justification for
standardization.

 
 As an operator of a large mail domain, I'd like to reiterate John's
 comments above.  DNSBLs work, are very cost (and computationally)
 effective, and are in widespread use.
 
 Regards
 Jason
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Re: Last Call: draft-hoffman-dac-vbr (Vouch By Reference) to Proposed Standard

2008-11-07 Thread SM

Hi John,
At 09:13 07-11-2008, John Levine wrote:

I think you're talking past each other here.  I read SM's message
as adding VBR-Info: to the list of known mail header lines here:

http://www.iana.org/assignments/message-headers/perm-headers.html


Thanks, that's what I meant.

Regards,
-sm 


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Re: Last Call: draft-housley-iesg-rfc3932bis (IESG Procedures for Handling of Independent and IRTF Stream Submissions) to BCP

2008-11-07 Thread John C Klensin


--On Tuesday, 21 October, 2008 08:02 -0700 The IESG
[EMAIL PROTECTED] wrote:

 The IESG has received a request from an individual submitter
 to consider the following document:
 
 - 'IESG Procedures for Handling of Independent and IRTF Stream 
Submissions '
draft-housley-iesg-rfc3932bis-04.txt as a BCP

Russ, Harald, and IESG,

While the version listed in the Last Call was -04, I note that
-05 has been posted and my comments are addressed to it.   As a
procedural observation, my recollection is that, for many years,
the IESG has been discouraging posting of new versions of
documents  during Last Call, precisely to avoid confusion about
which version to comment on. 

While this document is much improved from earlier versions, I
believe it is not nearly ready for BCP publication.  I see
sweeping and more specific issues as well as several nits.

Sweeping Issue:

The assertion of harm is a very serious one.  We claim that
the Internet is incredibly robust and that there are few
proposed changes that can actually cause significant damage.  If
the places in which harm is used in this document are really
intended to mean contrary to the spirit of the IETF standards
process or 
even damaging to the effectiveness of the standards process,
then say that.  Note that the first example in Section 4 is
clearly about something that is problematic for the standards
process with no need to believe that the alternate path is
harmful to the Internet, while the second one falls into the
category of an inappropriate extension (more discussion on that
below).  Even getting from hard-to-debug interoperability
problems to harm to the Internet would be a stretch (if the
authors had been able to produce a careful explanation of how to
experiment with those bits in an escape-proof walled garden, the
document might still describe a bad idea, but that would become
a technical judgment --one that this document asserts the IESG
is not supposed to make-- and it would not have been, a priori,
harmful. I believe that the assertion of harm to the Internet
is a sufficiently strong one that the IESG should not make it
without clear evidence of community consensus, starting with an
explanation of why it thinks there is a problem (nor merely
asserting harm) and including an IETF-wide Last Call on the
assertion and explanation.

Specific Issues

(1)  The IESG should never make an assertion that is known to be
false.  This has been an issue since 3932 was published and then
interpreted in a way that several of us did not anticipate; a
revision should not require the IESG to lie (or continue lying).
The fact is that, subject to publication delay, this document
and RFC 4846 permit publication of documents considered by WGs
and rejected.  In addition, some Independent Submissions receive
very extensive review in the IETF.  I hope we are not moving
into the sort of lawyer-land in which formally disclaiming
knowledge --counter to observable fact that the knowledge
exists-- may have a special meaning.  Even if the IESG has not
reviewed a document, it doesn't imply that the IETF has not.
If we are not moving to that part of lawyer-land, then it may be
appropriate to say that the IETF takes no position on whether a
document meets certain criteria or that there was no
determination of IETF consensus, but it is not appropriate to
say that the IETF disclaims knowledge (or has no knowledge)
without a case-by-case determination of whether any significant
review within the IETF occurred.

The third paragraph of the Introduction should be modified to
change are not reviewed to are not required to be reviewed
or equivalent.  The second sentence of that paragraph should be
removed entirely unless the IESG wants to deprive itself of
flexibility to formally ask for community input by prohibiting
the use of Last Calls on Independent Submission drafts (a
flexibility that language in 4846 was intended to preserve).

As a further example of this problem, consider the last
paragraph of the Introduction, where the text talks about the
IESG pushing a document into the Independent stream that had
been submitted to the IETF.   Such documents are often
reviewed in the IETF before being called to the IESG's attention
via a publication request and then presumably reviewed and
discussed by the IESG (or at least parts of it).

(2) The numbered list in Section 3 is the substantive core of
this document.  Harmful in Item 3 is potentially damaging to,
or problematic for, the IETF Standards Process, not harmful to
the Internet.   Potentially is important there too.  The IESG
should not be expected to foretell possible futures or provide
an analysis of how damage might occur: it should merely have to
have a reasonable basis for believing that WG or other standards
process disruption might occur or that an end-run is being
attempted.

Item 5, when read in the context of paragraph 5 of that section
(The last two...) is a horse of a different color.  Let me
restate what is 

Last Call: draft-ietf-geopriv-pdif-lo-profile (GEOPRIV PIDF-LO Usage Clarification, Considerations and Recommendations) to Proposed Standard

2008-11-07 Thread The IESG
The IESG has received a request from the Geographic Location/Privacy WG 
(geopriv) to consider the following document:

- 'GEOPRIV PIDF-LO Usage Clarification, Considerations and 
   Recommendations '
   draft-ietf-geopriv-pdif-lo-profile-13.txt as a Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action.  Please send substantive comments to the
[EMAIL PROTECTED] mailing lists by 2008-11-30. Exceptionally, 
comments may be sent to [EMAIL PROTECTED] instead. In either case, please 
retain the beginning of the Subject line to allow automated sorting.

The file can be obtained via
http://www.ietf.org/internet-drafts/draft-ietf-geopriv-pdif-lo-profile-13.txt


IESG discussion can be tracked via
https://datatracker.ietf.org/public/pidtracker.cgi?command=view_iddTag=13287rfc_flag=0

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Document Action: 'A Hitchhiker's Guide to the Session Initiation Protocol (SIP)' to Informational RFC

2008-11-07 Thread The IESG
The IESG has approved the following document:

- 'A Hitchhiker's Guide to the Session Initiation Protocol (SIP) '
   draft-ietf-sip-hitchhikers-guide-06.txt as an Informational RFC

This document is the product of the Session Initiation Protocol Working 
Group. 

The IESG contact persons are Cullen Jennings and Jon Peterson.

A URL of this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sip-hitchhikers-guide-06.txt

Technical Summary

   Relevant content can frequently be found in the abstract
   and/or introduction of the document.  If not, this may be 
   an indication that there are deficiencies in the abstract
   or introduction.

Working Group Summary

   Was there anything in the WG process that is worth noting?
   For example, was there controversy about particular points 
   or were there decisions where the consensus was
   particularly rough? 

Document Quality

   Are there existing implementations of the protocol?  Have a 
   significant number of vendors indicated their plan to
   implement the specification?  Are there any reviewers that
   merit special mention as having done a thorough review,
   e.g., one that resulted in important changes or a
   conclusion that the document had no substantive issues?  If
   there was a MIB Doctor, Media Type, or other Expert Review,
   what was its course (briefly)?  In the case of a Media Type
   Review, on what date was the request posted?

Personnel

   Who is the Document Shepherd for this document?  Who is the 
   Responsible Area Director?  If the document requires IANA
   experts(s), insert 'The IANA Expert(s) for the registries
   in this document are TO BE ADDED BY THE AD.'

RFC Editor Note

OLD
   Core:  The essential SIP specifications that are expected to be
  utilized for every session or registration.
NEW
   Core:  The SIP specifications that are expected to be
  utilized for a wide variety of sessions or registrations.

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Last Call: draft-arkko-arp-iana-rules (IANA Allocation Guidelines for the Address Resolution Protocol (ARP)) to Informational RFC

2008-11-07 Thread The IESG
The IESG has received a request from an individual submitter to consider
the following document:

- 'IANA Allocation Guidelines for the Address Resolution Protocol (ARP)'
   draft-arkko-arp-iana-rules-01.txt as an Informational RFC

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action.  Please send substantive comments to the
[EMAIL PROTECTED] mailing lists by 2008-12-05. Exceptionally, 
comments may be sent to [EMAIL PROTECTED] instead. In either case, please 
retain the beginning of the Subject line to allow automated sorting.

The file can be obtained via
http://www.ietf.org/internet-drafts/draft-arkko-arp-iana-rules-01.txt


IESG discussion can be tracked via
https://datatracker.ietf.org/public/pidtracker.cgi?command=view_iddTag=17805rfc_flag=0

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Document Action: 'A Hitchhiker's Guide to the Session Initiation Protocol (SIP)' to Informational RFC

2008-11-07 Thread The IESG
The IESG has approved the following document:

- 'A Hitchhiker's Guide to the Session Initiation Protocol (SIP) '
   draft-ietf-sip-hitchhikers-guide-06.txt as an Informational RFC

This document is the product of the Session Initiation Protocol Working 
Group. 

The IESG contact persons are Cullen Jennings and Jon Peterson.

A URL of this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-sip-hitchhikers-guide-06.txt

Technical summary.

The Session Initiation Protocol (SIP) is the subject of numerous
specifications that  have been produced by the IETF.  It can be
difficult to locate the right document, or  even to determine the
set of Request for Comments (RFC) about SIP.  This specification 
serves as a guide to the SIP RFC series.  It lists the specifications
under the SIP umbrella, briefly summarizes each, and groups 
them into categories.


Working group summary.

There is strong consensus in the working group to publish this document.


Document Quality

This document is a summary or compendium of the IETF publications
relating to SIP, and  as such, contains no requirements or RFC 2119 
language, and as such there is no  requirement for implementation 
of this document. The document underwent thorough review by a 
number of experts in both working group last call, and through the
RAI area review process.

It should be noted that once published as an RFC, this is a document that
will need to be regularly revised, as and when sufficient new SIP material
is published to justify a new version.


Personnel

The document shepherd for this document was Keith Drage. The responsible
Area Director was Douglas Adams with some procedural mistakes  from 
Cullen Jennings.


RFC Editor Note

OLD
   Core:  The essential SIP specifications that are expected to be
  utilized for every session or registration.
NEW
   Core:  The SIP specifications that are expected to be
  utilized for a wide variety of sessions or registrations.

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