On Mon, Aug 22, 2016 at 3:58 PM, Jeffrey Haas <jh...@pfrc.org> wrote: > On Mon, Aug 22, 2016 at 03:51:09PM -0400, Kathleen Moriarty wrote: >> > The underlying I2RS question is how to mark nodes in such a way that the >> > insecure transport protocols may be permitted to publish them without >> > requiring every single node to be audited if you have relatively weak >> > deployment considerations? If the answer is "read the security >> > considerations and write a filter", it's not the answer i2rs is looking >> > for. >> >> I think it's just that it is easier to mark the items that require >> confidentiality and integrity protection, when that is clear, rather >> than trying to figure out that something is absolutely not in need of >> any confidentiality and integrity protections. > > I think I2RS has done generally better than that. When not so marked, the > intent is secure. > > From a syntactic standpoint, it's much nicer to add keywords for the > exceptions rather than the default. :-) > >> In this case, you are >> not saying that items don't need security, you are just not taking an >> official stance and it's up to the user to turn on or off the default >> knob for session transport security. > > Mostly I'm saying that once you have annotated some data node as being "okay > to be insecure", the user can have tools to programmatically act upon that > based on information in the model. Lacking that, we're back in SNMP land > wherein people have to put in per-object filters to implement this.
One other important consideration from this discussion is the terms used. I have been careful to say needing confidentiality and integrity protections, which is different from saying it needs to be secure (or it doesn't need confidentiality and integrity protection). > > Note this is "can act". It'd be fine to have your policy be "even if marked > insecure, leave secure". It's even fine, IMO (but not as an author of this > document), for such "leave secure unless otherwise configured" to be the > mandatory to implement default. > > I'm somewhat curious if you've done such configuration in SNMP. It's a > PITA. :-) Not that it matters, but yes, one my masters degree projects involved automating a bunch of functions in a service provider NOC with SNMP and I wrote a MIB for one of my drafts that was later changed to XML. Kathleen > > -- Jeff -- Best regards, Kathleen _______________________________________________ i2rs mailing list i2rs@ietf.org https://www.ietf.org/mailman/listinfo/i2rs