Re: [midcom] security recommendations in MIDCOM MIB draft

Juergen Quittek skrev:
> Dear all,
> 
> The MIDCOM MIB is progressing and currently under IESG review.
> Tim Polk made a comment that I would like to discuss here on this list.
> 
> In the draft, we explicitly state hat a MIDCOM MIB implementation
> MUST support SNMPv3.  However, we pass the responsibility of switching
> on SNMPv3 to the operator.  The operator may still run SNMPv1 or SNMPv2
> if security is provided otherwise:
> 
>  "Compliant MIDCOM MIB implementations MUST support SNMPv3 security
>   services including data integrity, data origin authentication and
>   data confidentiality.
> 
>   It is REQUIRED that the implementations support the security features
>   as provided by the SNMPv3 framework.  Specifically, the use of the
>   User-based Security Model RFC 3414 [RFC3414] and the View- based
>   Access Control Model RFC 3415 [RFC3415] is RECOMMENDED.
> 
>   It is then a customer/operator responsibility to ensure that the SNMP
>   entity giving access to an instance of this MIB, is properly
>   configured to give access to the objects only to those principals
>   (users) that have legitimate rights to indeed GET or SET
>   (change/create/delete) them."
> 
> Now, Tim suggests to explicitly deprecate the use of (insecure) previous
> versions of SNMP, for example with a phrase like
> 
>  "Deployment of SNMP versions prior to SNMPv3 is NOT RECOMMENDED.
>   Instead it is RECOMMENDED to deploy SNMPv3 and to enable
>   cryptographic security."
> 
> Are there any opinions about adding such a phrase to the security
> considerations?
> 

To make sure I understand this correctly. Without SNMPv3 and its 
security functions the MIDCOM MIB will not reach the security 
requirements identified? If this is true, I think it is quite clear that 
MIDCOM MIB should only be used with SNMPv3.

Cheers

Magnus Westerlund

IETF Transport Area Director & TSVWG Chair
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Multimedia Technologies, Ericsson Research EAB/TVM/M
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Ericsson AB                | Phone +46 8 4048287
Torshamsgatan 23           | Fax   +46 8 7575550
S-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
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