Re: [secdir] [Last-Call] Secdir telechat review of draft-ietf-dtn-tcpclv4-18

Hi Chris,

Thanks for doing this and the initial review; that helped the document out
quite a bit!  (I did still have a couple discuss points, but they're
largely about high-level topics relating to how much policy should be
encoded in the protocol spec.)

-Ben

On Thu, Feb 13, 2020 at 06:54:47PM -0800, Christopher Wood via Datatracker wrote:
> Reviewer: Christopher Wood
> Review result: Has Nits
> 
> Thanks for updating this document! All of my comments from the previous review
> have been addressed. It reads much better now. I only have some minor nits to
> note below:
> 
> - Section 8.5: This section title references ciphersuite downgrade, yet the
> text refers to configured use of less-good ciphersuites. Perhaps the title
> should be, "Threat: Weak TLS Configurations"? - Section 8.6: I don't quite
> follow this section. Certainly, describing how one validates certificates is
> out of scope. However, the title suggests this is part of how one "uses"
> certificates? I might just scratch this section altogether, and instead
> reference RFC5280 where certificate-based authentication is first presented. -
> Section 8.7: I might rename this title to, "Threat: Symmetric Key Limits." -
> Section 8.10.1: I would reference opportunistic security here, as an
> unauthenticated key exchange yields similar properties.
> 
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