Re: [secdir] Review of draft-ietf-trill-rfc6439bis-03
Shawn M Emery <shawn.emery@oracle.com> Wed, 11 January 2017 05:20 UTC
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To: Donald Eastlake <d3e3e3@gmail.com>
References: <92774159-d56b-cc7f-b5cd-b8e17d038475@oracle.com> <10ed6c45-a8a7-e62e-78fb-62631442f4b9@oracle.com> <CAF4+nEGv95DatWkjrFnh9H9qhwtc0fz+OOs-TqZhxaLeiGovyw@mail.gmail.com>
From: Shawn M Emery <shawn.emery@oracle.com>
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Date: Tue, 10 Jan 2017 22:22:40 -0700
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Cc: draft-ietf-trill-rfc6439bis.all@tools.ietf.org, "secdir@ietf.org" <secdir@ietf.org>
Subject: Re: [secdir] Review of draft-ietf-trill-rfc6439bis-03
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On 01/10/17 06:03 PM, Donald Eastlake wrote: > Hi Shawn, > > Thanks for your comments. See below. > > On Mon, Jan 9, 2017 at 12:11 AM, Shawn M Emery <shawn.emery@oracle.com> wrote: >> I have reviewed this document as part of the security directorate's >> ongoing effort to review all IETF documents being processed by the IESG. >> These comments were written primarily for the benefit of the security >> area directors. Document editors and WG chairs should treat these >> comments just like any other last call comments. >> >> This draft updates the Appointed Forwarders mechanism (RFC 6439); >> which supports multiple TRILL switches that handle native traffic >> to and from end stations on a single link. >> >> The security considerations section does exist and states that this >> update does not change the security properties of the TRILL base >> protocol. The section goes on to state that the Port-Shutdown message >> SHOULD be secured through the Tunnel Channel protocol (which is in draft >> state). Was this intended to be a normative reference? > That reference is out of date. draft-ietf-trill-channel-tunnel has > issued as RFC 7978. That should be updated and I agree that this > should be a normative reference. Thanks. >> The section quickly >> finishes with a reference to Authentication TLVs as a way to secure E-LICS >> FS-LSPs traffic. I'm not a TRILL expert and therefore find it difficult to >> distinguish between the usage of Tunnel Channels and Authentication TLVs for >> securing Port Shutdown messaging. Could you please clarify? > "Channel Tunnel", although left in the draft name for convenience, was > basically changed to RBridge Header Extension. This is a way to add a > layer of header to RBridge Channel messages (specified in RFC 7178) to > secure their content. The Authentication TLV is an IS-IS TLV and > including that TLV in an IS-IS PDU can be used to secure the content > of the PDU. Some text can be added to clarify this. Ah, I see. Yes, clarifying text would be helpful for the nascent reader. >> General comments: >> >> None. >> >> Editorial comments: >> >> s/the need to "inhibition"/the need for "inhibition"/ >> s/forarding/forwarding/ >> s/two optimization/two optimizations/ >> s/messages are build/messages are built/ > Thanks for spotting those. We'll fix them. No problem. Regards, Shawn. --
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- [secdir] Review of draft-ietf-trill-rfc6439bis-03 Shawn M Emery
- Re: [secdir] Review of draft-ietf-trill-rfc6439bi… Donald Eastlake
- Re: [secdir] Review of draft-ietf-trill-rfc6439bi… Shawn M Emery
- Re: [secdir] Review of draft-ietf-trill-rfc6439bi… Donald Eastlake
- Re: [secdir] Review of draft-ietf-trill-rfc6439bi… Shawn M Emery
- Re: [secdir] Review of draft-ietf-trill-rfc6439bi… Donald Eastlake