Re: [lisp] Murray Kucherawy's Discuss on draft-ietf-lisp-sec-27: (with DISCUSS and COMMENT)
"Murray S. Kucherawy" <superuser@gmail.com> Thu, 30 June 2022 17:57 UTC
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From: "Murray S. Kucherawy" <superuser@gmail.com>
Date: Thu, 30 Jun 2022 07:57:28 -1000
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To: Luigi Iannone <ggx@gigix.net>
Cc: The IESG <iesg@ietf.org>, draft-ietf-lisp-sec@ietf.org, lisp-chairs@ietf.org, lisp@ietf.org
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Subject: Re: [lisp] Murray Kucherawy's Discuss on draft-ietf-lisp-sec-27: (with DISCUSS and COMMENT)
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Hi Luigi, All of your proposed changes look good to me. -MSK On Thu, Jun 30, 2022 at 2:47 AM Luigi Iannone <ggx@gigix.net> wrote: > Hi Murray, > > Thanks a lot for your review. > Please see inline. > > On 30 Jun 2022, at 09:29, Murray Kucherawy via Datatracker < > noreply@ietf.org> wrote: > > Murray Kucherawy has entered the following ballot position for > draft-ietf-lisp-sec-27: Discuss > > When responding, please keep the subject line intact and reply to all > email addresses included in the To and CC lines. (Feel free to cut this > introductory paragraph, however.) > > > Please refer to > https://www.ietf.org/about/groups/iesg/statements/handling-ballot-positions/ > for more information about how to handle DISCUSS and COMMENT positions. > > > The document, along with other ballot positions, can be found here: > https://datatracker.ietf.org/doc/draft-ietf-lisp-sec/ > > > > ---------------------------------------------------------------------- > DISCUSS: > ---------------------------------------------------------------------- > > Sections 8.1 through 8.5 all create registries with "Specification > Required" > rules. RFC 8126 says this about "Specification Required": > > As with Expert Review (Section 4.5), clear guidance to the designated > expert should be provided when defining the registry, and thorough > understanding of Section 5 is important. > > Only Section 8.5 includes any such guidance. Is none needed for the other > four? > > > Actually all of them need guidance which is basically the same and could > be provide at the beginning of the IANA section. > > Also, I'm having trouble understanding the advice that Section 8.5 does > give. > > > The beginning of the IANA section can be: > > IANA is requested to create the sub-registries listed in the > following sections in the "Locator/ID Separation Protocol (LISP) > Parameters" registry. > > New values beyond this document have to be assigned according to the > "Specification Required" policy defined in [RFC8126]. > Expert review should assess the security properties of newly added > functions, so that encryption robustness is remains strong. > For instance, at the time of this writing the use of SHA-256-based > functions is > considered to provide sufficient protection. Consultation with security > experts may be needed. > > Does the above text look good to you or do you have any suggestion of a better formulation? > > > > > > > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- > > I concur with John; this was generally well-done and easy to understand. > Nice > work. A couple of suggestions: > > In Section 6.1 has: > > E: ETR-Cant-Sign bit. This bit is set to 1 to signal ... > > I think you mean "If this bit is set to 1, it signals ..." or something > similar. Taken literally, the current text means you always set it to 1, > but I > don't think that's what you meant to say. > > > You are right: it should read: > > E: ETR-Cant-Sign bit. If this bit is set to 1, it signals to the ITR > that at least one of the ETRs authoritative for the EID > prefixes > of this Map-Reply has not enabled LISP-SEC. > > > I think the fifth paragraph of Section 6.4 is missing a period or > something. I > found it hard to parse toward the end. > > > > > > The ITR-OTK is wrapped with the algorithm specified by the OTK > Wrapping ID field. See Section 6.5 <https://datatracker.ietf.org/doc/html/draft-ietf-lisp-sec-27#section-6.5> for further details on OTK > encryption. If the NULL-KEY-WRAP-128 algorithm (see Section 8.4 <https://datatracker.ietf.org/doc/html/draft-ietf-lisp-sec-27#section-8.4>) is > selected, and no other encryption mechanism (e.g. DTLS) is enabled > in the path between the ITR and the Map-Resolver, the Map-Request > MUST be dropped, and an appropriate log action SHOULD be taken. > Implementations may include mechanisms (which are beyond the scope of > this document) to avoid log resource exhaustion attacks. > > > > Two commas and a period were missing…. Does it read better? > > Ciao > > L. > >
- [lisp] Murray Kucherawy's Discuss on draft-ietf-l… Murray Kucherawy via Datatracker
- Re: [lisp] Murray Kucherawy's Discuss on draft-ie… Luigi Iannone
- Re: [lisp] Murray Kucherawy's Discuss on draft-ie… Murray S. Kucherawy
- Re: [lisp] Murray Kucherawy's Discuss on draft-ie… Luigi Iannone