Re: [Isms] Ismssnmp: URI scheme transport extensions

["David Harrington" <ietfdbh at comcast.net>]

Hi,

I believe having ssh **imply** tsm is inappropriate from an RFC3411
modularity POV.

dbh

> -----Original Message-----
> From: isms-bounces at ietf.org [mailto:isms-bounces at ietf.org] On 
> Behalf Of Juergen Schoenwaelder
> Sent: Monday, July 27, 2009 11:32 AM
> To: Wes Hardaker
> Cc: isms at ietf.org
> Subject: Re: [Isms] Ismssnmp: URI scheme transport extensions
> 
> On Mon, Jul 27, 2009 at 10:12:46AM +0200, Wes Hardaker wrote:
> > >>>>> On Mon, 27 Jul 2009 09:29:24 +0200, Juergen 
> Schoenwaelder <j.schoenwaelder at jacobs-university.de> said:
> > 
> > JS> snmp://tester5 at example.com:5161;transport=ssh
> > JS>                                 ^^^^^^^^^^^^^^
> > JS>                                 new
> > 
> > I think you're still missing an important element, namely the
> > securityModel.  No where above does it specify TSM anywhere 
> so I don't
> > think it's complete as is.
> 
> Yes, I agree. I was thinking about having a default for all this as
we
> do now - you get SNMPv3/USM/UDP. If you specify transport=ssh, you
get
> securitymodel=tsm as default - I did not spell this out.
>  
> > [I think that's likely missing from 4088 as well, for that matter,
> > regardless of whether it's updated for transport specific
concerns;
> > the fact that it's excluded from the original document is sort of
> > odd in my opinion in the first place since we're obviously to the
> > point where multiple security models exist (although they've
existed
> > long before this)]
> 
> When RFC 4088 was done, we scoped the work and now might be the time
> to make it more complete. What we discussed back then was more
version
> information for community based SNMP, e.g.
> 
> snmp://tester5 at example.com:5161;version=snmpv1
> 
> (but we felt that opening this can of worms for a historic protocol
> version could be troublesome and so we tossed this idea).
> 
> /js
> 
> -- 
> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
> Phone: +49 421 200 3587         Campus Ring 1, 28759 Bremen, Germany
> Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>
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