Re: [secdir] sec-dir review of draft-ietf-forces-lfb-lib-10.txt

Derek Atkins <derek@ihtfp.com> Fri, 01 February 2013 15:26 UTC

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From: Derek Atkins <derek@ihtfp.com>
To: Joel Halpern <joel.halpern@ericsson.com>
References: <sjmwqutovqp.fsf@mocana.ihtfp.org> <6BCE198E4EAEFC4CAB45D75826EFB0760869A2@eusaamb101.ericsson.se>
Date: Fri, 01 Feb 2013 10:26:21 -0500
In-Reply-To: <6BCE198E4EAEFC4CAB45D75826EFB0760869A2@eusaamb101.ericsson.se> (Joel Halpern's message of "Thu, 31 Jan 2013 22:14:56 +0000")
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Cc: "secdir@ietf.org" <secdir@ietf.org>, "ogawa.kentaro@lab.ntt.co.jp" <ogawa.kentaro@lab.ntt.co.jp>, "chuanhuang_li@zjsu.edu.cn" <chuanhuang_li@zjsu.edu.cn>, "ehalep@ece.upatras.gr" <ehalep@ece.upatras.gr>, "forces-chairs@tools.ietf.org" <forces-chairs@tools.ietf.org>, "iesg@ietf.org" <iesg@ietf.org>, "wmwang@zjsu.edu.cn" <wmwang@zjsu.edu.cn>
Subject: Re: [secdir] sec-dir review of draft-ietf-forces-lfb-lib-10.txt
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Yes, I think that would improve it.
I don't think you need more.

Thanks!

-derek

Joel Halpern <joel.halpern@ericsson.com> writes:

> Would a pointer to 5810 (the ForCES Protocol RFC, which defines how these things are manipulated) help?
> The LFBs here are not different from any other LFBs which affect device behavior.  Yes, manipulating them can cause problems.  That's why the protocol has security mechanisms.
> (I probably should have caught that and made sure there was such a reference.)
> Do we need more than that?
>
> Yours,
> Joel
>
>  -----Original Message-----
>> From: Derek Atkins [mailto:derek@ihtfp.com] 
>> Sent: Thursday, January 31, 2013 5:04 PM
>> To: iesg@ietf.org; secdir@ietf.org
>> Cc: forces-chairs@tools.ietf.org; wmwang@zjsu.edu.cn; 
>> ehalep@ece.upatras.gr; ogawa.kentaro@lab.ntt.co.jp; 
>> chuanhuang_li@zjsu.edu.cn; Joel Halpern
>> Subject: sec-dir review of draft-ietf-forces-lfb-lib-10.txt
>> 
>> Hi,
>> 
>> 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 document defines basic classes of Logical Function 
>> Blocks (LFBs)
>>    used in the Forwarding and Control Element Separation 
>> (ForCES).  The
>>    basic LFB classes are defined according to ForCES FE model 
>> and ForCES
>>    protocol specifications, and are scoped to meet requirements of
>>    typical router functions and considered as the basic LFB 
>> library for
>>    ForCES.  The library includes the descriptions of the LFBs and the
>>    XML definitions.
>> 
>> The Security Considerations section offloads itself to RFC3746.
>> 
>> It is unclear to me if any of the new functions defined in 
>> the LFB need any additional authentication or authorization, 
>> and if so I do not see how that would be added.
>> 
>> -derek
>> 
>> -- 
>>        Derek Atkins                 617-623-3745
>>        derek@ihtfp.com             www.ihtfp.com
>>        Computer and Internet Security Consultant
>> 
>

-- 
       Derek Atkins                 617-623-3745
       derek@ihtfp.com             www.ihtfp.com
       Computer and Internet Security Consultant