Re: [secdir] [payload] sec-dir review of draft-ietf-payload-rtp-opus-08
"Ben Campbell" <ben@nostrum.com> Thu, 09 April 2015 14:08 UTC
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From: Ben Campbell <ben@nostrum.com>
To: Derek Atkins <derek@ihtfp.com>
Date: Thu, 09 Apr 2015 09:07:55 -0500
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References: <sjmoaosz53h.fsf@securerf.ihtfp.org> <C3DD8EE5-B066-4C06-99F4-B9147A128811@nostrum.com> <C17AE3D5-F62D-42A3-9F1F-885BF1B984EB@nostrum.com> <551EFB9C.4040504@xiph.org> <sjmy4m5grwp.fsf@securerf.ihtfp.org> <269A06E2-6704-4E5E-BBFD-92F157639261@nostrum.com> <5522D40E.8040402@nostrum.com> <73626E80-1EBA-4A85-83DD-32423649DBD1@csperkins.org> <035501d0711a$7856b0a0$690411e0$@gmail.com> <5523C5AE.7040108@mozilla.com> <sjmpp7ggft8.fsf@securerf.ihtfp.org> <CAHbuEH63BtaENfm6-_itp1eLtSCyC8LRvGbGPbKVAR-k6GQdZA@mail.gmail.com> <927CC992-13D7-41B9-A9AF-7F4E31905DF2@csperkins.org> <sjmd23ehf4o.fsf@securerf.ihtfp.org> <402C1C17-65A1-4461-9CA8-D7035022DEFE@csperkins.org> <759691e866a2fc8c41aa43acc18cbd19.squirrel@mail2.ihtfp.org> <B9A87595-5AAF-47CA-B898-8C8601D3B8C1@nostrum.com> <8D455380-E490-4026-8485-4CE05F345E7F@nostrum.com> <82197574-D574-45C1-BFCF-0826E0037ED3@csperkins.org> <sjm8ue1h1hc.fsf@securerf.ihtfp.org> <D8C8B618-E131-4F64-BFAC-CA62F7A354B8@nostrum.com> <92033c98980490d44f219907a64e6434.squirrel@mail2.ihtfp.org>
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Cc: "secdir@ietf.org" <secdir@ietf.org>, payload@ietf.org, jspittka@gmail.com, Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>, "iesg@ietf.org" <iesg@ietf.org>, payload-chairs@tools.ietf.org, koenvos74@gmail.com, Colin Perkins <csp@csperkins.org>
Subject: Re: [secdir] [payload] sec-dir review of draft-ietf-payload-rtp-opus-08
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On 9 Apr 2015, at 9:00, Derek Atkins wrote: > Ben, > > On Thu, April 9, 2015 9:45 am, Ben Campbell wrote: >> On 9 Apr 2015, at 8:31, Derek Atkins wrote: >> >>> Colin Perkins <csp@csperkins.org> writes: >>> >>>> I think "SHOULD use an appropriate strong security mechanism" is >>>> quite >>>> different to "SHOULD use SRTP", since we know of cases where SRTP >>>> isn't suitable. That was my objection to the original text. >>> >>> I'm fine with "SHOULD use an appropriate strong security mechanism", >>> which is what I tried to convey with my added sentence to the >>> guidance >>> paragraph. >> >> I would be okay with "SHOULD use an appropriate strong security >> mechanism". I assume the intended difference is the removal of the >> "as >> suggested by those references" part. > > So you're suggesting (and would be okay with) this text: > > RTP packets using the payload format defined in this specification > are subject to the security considerations discussed in the RTP > specification RFC3550, and in any applicable RTP profile such as > RTP/AVP [RFC3551], RTP/AVPF [RFC4585], RTP/SAVP [RFC3711] or RTP/ > SAVPF [RFC5124]. However, as "Securing the RTP Protocol Framework: > Why RTP Does Not Mandate a Single Media Security Solution" > [I-D.ietf-avt-srtp-not-mandatory] discusses it is not an RTP payload > formats responsibility to discuss or mandate what solutions are used > to meet the basic security goals like confidentiality, integrity and > source authenticity for RTP in general. This responsibility lays on > anyone using RTP in an application. They can find guidance on > available security mechanisms and important considerations in Options > for Securing RTP Sessions [I-D.ietf-avtcore-rtp-security-options]. > Applications SHOULD use an appropriate strong security mechanism. > I am okay with that text. > I think I'm okay with this. (I kind of prefer my previous wording, > "Applications SHOULD implement at least one of the strong security > measures suggested by those references" only because it suggests that > multiple mechanisms are okay, whereas this new wording seems to imply > choosing only one). How about "Applications SHOULD use one or more strong security mechanisms, as appropriate"? > > -derek > -- > Derek Atkins 617-623-3745 > derek@ihtfp.com www.ihtfp.com > Computer and Internet Security Consultant
- Re: [secdir] [payload] sec-dir review of draft-ie… Kathleen Moriarty
- Re: [secdir] [payload] sec-dir review of draft-ie… Stephen Farrell
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] sec-dir review of draft-ietf-payload… Ben Campbell
- Re: [secdir] sec-dir review of draft-ietf-payload… Jean-Marc Valin
- Re: [secdir] sec-dir review of draft-ietf-payload… Ben Campbell
- Re: [secdir] sec-dir review of draft-ietf-payload… Derek Atkins
- Re: [secdir] sec-dir review of draft-ietf-payload… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Timothy B. Terriberry
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Robert Sparks
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Roni Even
- Re: [secdir] [payload] sec-dir review of draft-ie… Jean-Marc Valin
- Re: [secdir] [payload] sec-dir review of draft-ie… Roni Even
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Stephen Farrell
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Stephen Farrell
- Re: [secdir] [payload] sec-dir review of draft-ie… DRAGE, Keith (Keith)
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Kathleen Moriarty
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Roni Even
- Re: [secdir] [payload] sec-dir review of draft-ie… Stephen Farrell
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Jean-Marc Valin
- Re: [secdir] [payload] sec-dir review of draft-ie… Kathleen Moriarty
- Re: [secdir] [payload] sec-dir review of draft-ie… Ben Campbell
- Re: [secdir] [payload] sec-dir review of draft-ie… Derek Atkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Colin Perkins
- Re: [secdir] [payload] sec-dir review of draft-ie… Magnus Westerlund
- Re: [secdir] [payload] sec-dir review of draft-ie… Magnus Westerlund
- [secdir] sec-dir review of draft-ietf-payload-rtp… Derek Atkins
- Re: [secdir] sec-dir review of draft-ietf-payload… Roni Even
- Re: [secdir] sec-dir review of draft-ietf-payload… Derek Atkins