Re: [secdir] secdir review of draft-ietf-netconf-monitoring
Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Thu, 17 June 2010 07:23 UTC
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Date: Thu, 17 Jun 2010 09:23:50 +0200
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Sam Hartman <hartmans-ietf@mit.edu>
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Mail-Followup-To: Sam Hartman <hartmans-ietf@mit.edu>, Alan DeKok <aland@deployingradius.com>, "netconf@ietf.org" <netconf@ietf.org>, "draft-ietf-netconf-monitoring@tools.ietf.org" <draft-ietf-netconf-monitoring@tools.ietf.org>, IESG IESG <iesg@ietf.org>, "secdir@ietf.org" <secdir@ietf.org>
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Cc: IESG IESG <iesg@ietf.org>, "draft-ietf-netconf-monitoring@tools.ietf.org" <draft-ietf-netconf-monitoring@tools.ietf.org>, "secdir@ietf.org" <secdir@ietf.org>, "netconf@ietf.org" <netconf@ietf.org>
Subject: Re: [secdir] secdir review of draft-ietf-netconf-monitoring
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On Thu, Jun 17, 2010 at 02:26:33AM +0200, Sam Hartman wrote: > >>>>> "Juergen" == Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > > >> The document defines a data model for netconf monitoring. The > >> security considerations section says in part: > >> > >> Some of the readable data nodes in this YANG module may be > >> considered sensitive or vulnerable in some network environments. > >> It is thus important to control read access (e.g. via get, > >> get-config or notification) to these data nodes. > >> > >> What is unclear from the document is whether or not the data is > >> secure *after* access is gained. i.e. is there a secure > >> transport layer? Should one be used? If not, why? > > Juergen> NETCONF runs over SSH or TLS or TLS/BEEP or SOAP/HTTPS. In > Juergen> other words, all existing NETCONF transports are > Juergen> "secure". The revision of the NETCONF specification being > Juergen> worked on is going to make this hopefully clearer by > Juergen> calling the transport layer "secure transports". > > I'll admit that if I read the netconf document and it described > something as "secure transport," it would raise a concern in my mind. > "secure" as an adjective is generally meaningless. Typically it's > applied to make people feel that security objectives are met without > actually stating those objectives. > > Presumably by secure, you mean something like: > > * Transport authenticates identity of server to client and client to > server > * Transport provides integrity protection and confidentiality for data > transported > * Transport provides replay protection on a per-session level as well as > within a session > > I'd be far more interested in the core document making these security > services explicit than in having it replace all instances of transport > with "secure transport." Yes, I agree. /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/>
- [secdir] secdir review of draft-ietf-netconf-moni… Alan DeKok
- Re: [secdir] secdir review of draft-ietf-netconf-… Juergen Schoenwaelder
- Re: [secdir] secdir review of draft-ietf-netconf-… Alan DeKok
- Re: [secdir] secdir review of draft-ietf-netconf-… Juergen Schoenwaelder
- Re: [secdir] secdir review of draft-ietf-netconf-… Bert Wijnen (IETF)
- Re: [secdir] secdir review of draft-ietf-netconf-… Martin Bjorklund
- Re: [secdir] [Netconf] FW: secdir review of draft… Ersue, Mehmet (NSN - DE/Munich)
- Re: [secdir] secdir review of draft-ietf-netconf-… Sam Hartman
- Re: [secdir] secdir review of draft-ietf-netconf-… Juergen Schoenwaelder
- Re: [secdir] secdir review of draft-ietf-netconf-… Juergen Schoenwaelder
- Re: [secdir] secdir review of draft-ietf-netconf-… Sam Hartman