Re: [Int-dir] [Taps] Intdir telechat review of draft-ietf-taps-transport-security-11

Gorry Fairhurst <gorry@erg.abdn.ac.uk> Fri, 03 April 2020 12:51 UTC

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To: Brian Haberman <brian@innovationslab.net>, int-dir@ietf.org
Cc: last-call@ietf.org, draft-ietf-taps-transport-security.all@ietf.org, taps@ietf.org
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From: Gorry Fairhurst <gorry@erg.abdn.ac.uk>
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Date: Fri, 03 Apr 2020 13:50:55 +0100
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Subject: Re: [Int-dir] [Taps] Intdir telechat review of draft-ietf-taps-transport-security-11
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I think GRE (the one I know more) should be mentioned as existing somehow.

... even if the WG doesn't want to add an analysis of GRE!

A suggested starting text blob proposal for GRE could be:

Generic Routing Encapsulation [RFC2784] specifies a protocol for encapsulation of an arbitrary protocol over another arbitrary network layer protocol.  GRE tunnels do not by default provide security features. [RFC2890] describes enhancements by which two fields, Key and Sequence Number, can be optionally carried in the GRE Header to implement security functions. [RFC8086] specifies a method of encapsulating network protocol
packets using GRE in UDP. GRE can be used in combination with IPsec (see RFC2890).

Gorry

On 03/04/2020 13:10, Brian Haberman via Datatracker wrote:
> Reviewer: Brian Haberman
> Review result: Ready with Issues
>
> This document is a survey of network security protocols and their interaction
> with transport and application protocols. It is clearly written and easy to
> read. I have a minor comment on the contents of this draft.
>
> It is not abundantly clear what the criteria was for selecting the subset of
> security protocols included in this draft. Some notable omissions include SSH,
> L2TP, and GRE. These seem like interesting omissions given their popularity in
> a number of deployment scenarios. Not a showstopper in my opinion, but
> interesting to note.
>
>
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