Hi Deb, 

Thanks for the review.

Please see inline. 

Cheers,
Med

> -----Message d'origine-----
> De : Deb Cooley via Datatracker <nore...@ietf.org>
> Envoyé : mardi 1 avril 2025 01:05
> À : The IESG <i...@ietf.org>
> Cc : draft-ietf-netmod-acl-extensi...@ietf.org; netmod-
> cha...@ietf.org; netmod@ietf.org; lber...@labn.net;
> lber...@labn.net
> Objet : Deb Cooley's No Objection on draft-ietf-netmod-acl-
> extensions-15: (with COMMENT)
> 
> 
> Deb Cooley has entered the following ballot position for
> draft-ietf-netmod-acl-extensions-15: No Objection
> 
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> 
> ------------------------------------------------------------------
> COMMENT:
> ------------------------------------------------------------------
> 
> Thank you to Sean Turner and Linda Dunbar for their secdir
> reviews:
> 
> Section 5, para 2:  Please replace the second (and last sentence)
> with "The
> YANG-based management protocols require the use of a secure

[Med] The rationale is to focus on the actual use rather than reasoning about 
MTI. I will keep the current wording.

As a side note, YANG data can be transported over other protocols (including 
those defined outside the IETF) and I don't think we can make a claim about 
what they require. 

> transport layer
> such as SSH [RFC4252], TLS [RFC8446], or QUIC [RFC9000].  The
> YANG-based
> management protocols also require mutual authentication."

[Med] Idem as above. We spent some cycles on this in the WG and decided to 
emphasis on the actual use, which is more important from a deployment 
standpoint. Will keep the current wording. Thanks

> 
> Section 5, para 4:  Please define 'reasonably sensitive or
> vulnerable' and

[Med] This is coming from the template ;-) More seriously, the intent here is 
to remind that all configurable nodes may be misused. There might be some cases 
such as "description" or "comment" like data nodes, but even those, they are 
used sometimes by operators to enclose operational data (and thus case feed 
other misuses). We don't want the authors of YANG documents to list every data 
node in the security section, but only focus on those that particularly 
sensitive.


> 'particular sensitivities/vulnerabilities.  Alternatively, delete
> the words
> 'reasonably' and 'particular'.

[Med] "Particular" is used on purpose as we focus on those that may lead to 
major disruption. FWIW, this mirrors the this part of RFC8407:

* Writable data nodes that could be **especially** disruptive if abused MUST be 
explicitly listed by name, and the associated security risks MUST be explained.

> 
> Section 5, para 5:  Perhaps the second to last sentence should say
> 'The former
> may result in the exposure of sensitive data, or compromise a
> device.
> 

[Med] "Exposure of sensitive data" is not a vulnerability of a writeable 
parameter. The OLD is more accurate as this is about issues with writeable data 
node, not readable ones. I will keep the current text as it is. Thanks.


> Section 5, para 7:  Please delete the word 'particular'.

[Med] Idem as above. This is important as we don't list every node, but only 
those that matches this part from 8407:

"Readable data nodes that contain **especially** sensitive information or that 
raise significant privacy concerns MUST be explicitly listed by name, and the 
reasons for the sensitivity/privacy concerns MUST be explained."

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