Re: [Spud] Fwd: [Int-area] New Version Notification for draft-welzl-icmp-text-middleboxes-00.txt

So, if there is no IP header in the payload, I have two questions:

(1) How do you verify the ICMP packet came from something on-path. rather
than being generated by a  random, potentially malicious sender? Why would
any host trust this?

(2) No header no encaps info - hence no ports or originating address etc?
- In other words not useful.

(3) Obviously this will not traverse NATs or tunnels (always a problem for
feed-backwards control messages), since these would not be able to
determine the next endpoint.

Gorry

> Hi,
>
> See below - this is remotely related to SPUD (really remotely, in that it
> addresses a human, but the human in control of a device of concern to
> SPUD).
>
> We're collecting opinions on this - please let us have them   :-)
>
> Michael
>
>
>
>> Begin forwarded message:
>>
>> Resent-From: <michawe@ifi.uio.no>
>> From: Michael Welzl <michawe@ifi.uio.no>
>> Date: 30. juni 2015 kl. 00.35.39 CEST
>> To: Int-area@ietf.org
>> Subject: [Int-area] Fwd: New Version Notification for
>> draft-welzl-icmp-text-middleboxes-00.txt
>>
>> Dear all,
>>
>> We just posted the draft below. Not knowing which other group would fit,
>> we're sending it here. We're really transport people and at least I am
>> newbie to this group...  very curious to hear your thoughts:
>> - completely idiotic?
>> - exactly what the world has been waiting for?
>>
>> ... I guess it can only be one of the two above  :-)     If the chairs
>> think that this makes sense to discuss in Prague, we'll be there, and
>> I'd be happy to do a supershort presentation, but let us first hear what
>> you think. It's a short and easy read, we promise that!  :-)
>>
>> Thanks!
>> Michael & Janjie
>>
>>
>>> Begin forwarded message:
>>>
>>> Resent-From: <michawe@ifi.uio.no>
>>> From: <internet-drafts@ietf.org>
>>> To: Jianjie You <youjianjie@huawei.com>om>, Michael Welzl
>>> <michawe@ifi.uio.no>no>, Jianjie You <youjianjie@huawei.com>om>, Michael
>>> Welzl <michawe@ifi.uio.no>
>>> Subject: New Version Notification for
>>> draft-welzl-icmp-text-middleboxes-00.txt
>>> Date: 30. juni 2015 kl. 00.24.23 CEST
>>>
>>>
>>> A new version of I-D, draft-welzl-icmp-text-middleboxes-00.txt
>>> has been successfully submitted by Michael Welzl and posted to the
>>> IETF repository.
>>>
>>> Name:		draft-welzl-icmp-text-middleboxes
>>> Revision:	00
>>> Title:		Text messaging to middlebox administrators using ICMP
>>> Document date:	2015-06-30
>>> Group:		Individual Submission
>>> Pages:		6
>>> URL:
>>> https://www.ietf.org/internet-drafts/draft-welzl-icmp-text-middleboxes-00.txt
>>> Status:
>>> https://datatracker.ietf.org/doc/draft-welzl-icmp-text-middleboxes/
>>> Htmlized:
>>> https://tools.ietf.org/html/draft-welzl-icmp-text-middleboxes-00
>>>
>>>
>>> Abstract:
>>>  This document describes the use of an ICMP message to send text
>>>  messages to on-path middleboxes from the endpoints.  The text message
>>>  is sent towards a destination but meant to be read by administrators
>>>  of middleboxes along the path to the destination.  The goal is to
>>>  improve the user's experience with simple middlebox cooperation.
>>>
>>>
>>>
>>>
>>>
>>> Please note that it may take a couple of minutes from the time of
>>> submission
>>> until the htmlized version and diff are available at tools.ietf.org.
>>>
>>> The IETF Secretariat
>>>
>>
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