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Re: [tram] Publication has been requested for draft-ietf-tram-stun-pmtud-07

Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com> Tue, 10 July 2018 16:12 UTC

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From: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
Date: Tue, 10 Jul 2018 11:12:28 -0500
Message-ID: <CAKKJt-ekY_OXaBw8Gvbxx80xgtdEL=LW4geiEd1_jhvZfgT2ig@mail.gmail.com>
To: Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>
Cc: Marc Petit-Huguenin <marc@petit-huguenin.org>, draft-ietf-tram-stun-pmtud@ietf.org, tram-chairs@ietf.org, tram@ietf.org, "Asveren, Tolga" <tasveren@rbbn.com>
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Subject: Re: [tram] Publication has been requested for draft-ietf-tram-stun-pmtud-07
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Dear TRAMsters,

On Mon, Jun 18, 2018 at 5:35 AM Gonzalo Camarillo <
Gonzalo.Camarillo@ericsson.com> wrote:

> Hi,
>
> related to the following exchange between Marc and Spencer:
>
> >     > If using authentication in
> >     >
> >     >   UDP-based protocols that want to use any of these mechanisms,
> >     >    including the PMTUD-SUPPORTED attribute, to signal PMTUD
> capabilities
> >     >    MUST ensure that it cannot be used to launch an amplification
> attack.
> >     >    For example, using authentication can ensure this.
> >     >
> >     > is only one way to ensure prevention of amplification attacks, is
> there any
> >     > guidance or reference you could point to that would help
> implementers
> >     > evaluate other approaches?
> >
> >     It's a good question.  I have to think about that.
> >
> >
> > Thanks for the quick and thorough responses.
> >
> > I think I'm good on your responses for all my other questions. I'll let
> > the working group chew on this one, and let the chairs/shepherd let me
> > know when to request Last Call.
>
> Where are we with this? Do we have a way forward?
>

I didn't mean to ask a hard question here. Is this going to be difficult to
figure out?

Spencer


> Cheers,
>
> Gonzalo
>

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