RE: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Christian Huitema
> > Proposed resolution: write "MAY be disabled" instead. > > Um, I'd suggest that this by itself isn't really all that helpful. It > might help to add some more explanatary text together with > recommendations on what to do. E.g., > > - should an implementation just configure the address and u

RE: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread john . loughney
Thomas, > One of the original motivations for disabling an interface if DAD > fails for the LL address is that if you are running DAD on a LL > address generated using the EUI-64 format, in the absence of a DOS > attack, if DAD fails, that really means duplicate ethernet addresses > are in use. In

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Thomas Narten
One more point: One of the original motivations for disabling an interface if DAD fails for the LL address is that if you are running DAD on a LL address generated using the EUI-64 format, in the absence of a DOS attack, if DAD fails, that really means duplicate ethernet addresses are in use. In t

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Thomas Narten
> Proposed resolution: write "MAY be disabled" instead. Um, I'd suggest that this by itself isn't really all that helpful. It might help to add some more explanatary text together with recommendations on what to do. E.g., - should an implementation just configure the address and use it anyway

Re: comments on draft-hain-templin-ipv6-localcomm-03.txt

2003-11-12 Thread Andrew White
I think we're missing the point. There is a perceived need by "many" operators for an address space that can be used for 'local' use, where 'local' is 'not part of the global internet'. We can argue until the cows come home whether any given possible use for such a space is good or bad, but the f

RE: comments on draft-hain-templin-ipv6-localcomm-03.txt

2003-11-12 Thread john . loughney
Keith, > it would really seem odd to me to use a "local address" to talk to a > host that is halfway across the world. I read my local paper (from West Caldwell, NJ) on line at work (Helsinki, Finland). I still call it my local paper ... John > that, and I'm concerned that people will think t

Re: comments on draft-hain-templin-ipv6-localcomm-03.txt

2003-11-12 Thread Keith Moore
even the word "local" might be too much. it is not out of the question for networks from all over the world to agree to exchange traffic using GUPIs and/or PUPIs. Local might still be OK, if you think that the addresses have 'local' relevance not global relevance. One possible meaning of local

RE: comments on draft-hain-templin-ipv6-localcomm-03.txt

2003-11-12 Thread john . loughney
Keith, > >> So - yes, we need addresses that can be easily allocated > for local use > >> (and perhaps for other purposes also), but they should not > carry with > >> them any assumptions about the degree of locality or proximity, > >> trustworthiness, filtering, or policy. > > > > I agree. I t

Re: comments on draft-hain-templin-ipv6-localcomm-03.txt

2003-11-12 Thread Keith Moore
On Wednesday, November 12, 2003, at 03:05 PM, <[EMAIL PROTECTED]> wrote: Keith, So - yes, we need addresses that can be easily allocated for local use (and perhaps for other purposes also), but they should not carry with them any assumptions about the degree of locality or proximity, trustworth

RE: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread john . loughney
Hi all, > > but then, if we change it to MAY, what is the point in running DAD > > process? if you do not disable interface (or the address on the > > interface) the owner of the same address will get confused, > > peers of the address get confused, you will do bad things to the >

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Brian Haberman
Jun-ichiro itojun Hagino wrote: Well, there are many networks that are open to the general public, for example wifi networks at airports. It is true that a bad guy on-link can do a lot of harm, some of which can be alleviated by SEND. However, most of other attacks require a constant stream of

RE: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Christian Huitema
> > It is true that a bad guy on-link can do a lot of harm, some of which > > can be alleviated by SEND. However, most of other attacks require a > > constant stream of packets, and increase the risk that the attack will > > be detected and traced. The recommendation to turn off the interface > > a

RE: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Jun-ichiro itojun Hagino
> Well, there are many networks that are open to the general public, for > example wifi networks at airports. > > It is true that a bad guy on-link can do a lot of harm, some of which > can be alleviated by SEND. However, most of other attacks require a > constant stream of packets, and increase

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Vijay Devarapalli
Jun-ichiro itojun Hagino wrote: my suggestion is to leave it SHOULD. you didnt justify why. makes no sense on an unprotected network. i did. you did not quote my previous line. agree completely. if you allow enemy to be on-link you are dead. my suggestion is to leave it SH

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Vijay Devarapalli
Jun-ichiro itojun Hagino wrote: my suggestion is to leave it SHOULD. you didnt justify why. makes no sense on an unprotected network. i did. you did not quote my previous line. agree completely. if you allow enemy to be on-link you are dead. my suggestion is to leave it S

RE: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Christian Huitema
> >>my suggestion is to leave it SHOULD. > >you didnt justify why. makes no sense on an unprotected network. > > i did. you did not quote my previous line. > > >>agree completely. if you allow enemy to be on-link you are dead. > >>my suggestion is to leave it SHOULD. > >

FWD: IAB Response to your appeal of October 9, 2003

2003-11-12 Thread Thomas Narten
--- Forwarded Message From: Leslie Daigle <[EMAIL PROTECTED]> To: Tony Hain <[EMAIL PROTECTED]> CC: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] Date: Wed, 12 Nov 2003 14:40:06 -0500 Subject: IAB Response to your appeal of October 9, 2003 User-Agent: Mozilla/5.0 (X11; U; Linux i686;

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Jun-ichiro itojun Hagino
>> my suggestion is to leave it SHOULD. >you didnt justify why. makes no sense on an unprotected network. i did. you did not quote my previous line. >> agree completely. if you allow enemy to be on-link you are dead. >> my suggestion is to leave it SHOULD. this i

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Vijay Devarapalli
Jun-ichiro itojun Hagino wrote: my suggestion is to leave it SHOULD. you didnt justify why. makes no sense on an unprotected network. Vijay IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https:

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Jun-ichiro itojun Hagino
> On Wed, 12 Nov 2003, Christian Huitema wrote: > > The section "5.4.5 When Duplicate Address Detection Fails" currently > > says: > > > >A tentative address that is determined to be a duplicate as described > >above, MUST NOT be assigned to an interface and the node SHOULD log a > >sy

Sending text

2003-11-12 Thread Erik Nordmark
It was suggested I send text on my suggestion for clarification in draft-ietf-ipv6-deprecate-site-local-01.txt. After the second paragraph in section 4 I suggest adding something about the intent: The intent is that any existing code in implementations that assign any special mea

Re: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Pekka Savola
On Wed, 12 Nov 2003, Christian Huitema wrote: > The section "5.4.5 When Duplicate Address Detection Fails" currently > says: > >A tentative address that is determined to be a duplicate as described >above, MUST NOT be assigned to an interface and the node SHOULD log a >system managemen

RE: Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread john . loughney
Christian, > The section "5.4.5 When Duplicate Address Detection Fails" currently > says: > >A tentative address that is determined to be a duplicate as described >above, MUST NOT be assigned to an interface and the node SHOULD log a >system management error. If the address is a link

RE: comments on draft-hain-templin-ipv6-localcomm-03.txt

2003-11-12 Thread john . loughney
Keith, > So - yes, we need addresses that can be easily allocated for local use > (and perhaps for other purposes also), but they should not carry with > them any assumptions about the degree of locality or proximity, > trustworthiness, filtering, or policy. I agree. I think that in documenti

RFC2461 update and M/O flags.

2003-11-12 Thread Gregory Daley
Hi, With reference to the roles of the M and O bits in RA messages, Jinmei mentioned that with these bits we should reference the DHCPv6 RFC. I made the statement at Wednesday's session that we may need a reference to the Stateless DHCPv6 document which is not an RFC. After talking to Ralph, I

Comments on draft-jinmei-ipv6-rfc2462bis-00.txt

2003-11-12 Thread Christian Huitema
The section "5.4.5 When Duplicate Address Detection Fails" currently says: A tentative address that is determined to be a duplicate as described above, MUST NOT be assigned to an interface and the node SHOULD log a system management error. If the address is a link-local address formed

comments on draft-hain-templin-ipv6-localcomm-03.txt

2003-11-12 Thread Keith Moore
These are comments on the document rather than on Tony's presentation yesterday I think the notion of "local-use" address conflates several different things that are better treated as separate subjects. Even if one accepts all of these as valid problems (which I don't), it's not clear that th

Re: Path MTU for Tunnels (was: RE: NOTE: WG Last Call: draft-ietf-v6ops-mech-v2-01.txt)

2003-11-12 Thread Fred Templin
Yes, it's me again - hopefully one last time. I took out a bit too much in my last iteration on the document. I have added the following new text under "Sending Packets:"   "If the packet is 1280 bytes in length and it contains an IPv6  fragment header, the tunnel interface encapsluates the

Re: Comments about draft-hain-templin-ipv6-limitedrange

2003-11-12 Thread Keith Moore
For those who were not in the room this evening, my comments were that the complaints on the list about the draft fall into a couple of broad categories: One class basically intends to tell people how to run their networks. The IETF defines how the protocols work, not how individual networks are

Re: Path MTU for Tunnels (was: RE: NOTE: WG Last Call: draft-ietf-v6ops-mech-v2-01.txt)

2003-11-12 Thread Fred Templin
I have one more update to share on this document. It is found at:     www.geocities.com/osprey67/tunnelmtu-05.txt   Changelog is below:   Fred Templin [EMAIL PROTECTED]   Appendix A. Changelog   o  Removed support for IPv4 fragmentation to save state; eliminated  control message overhead. Fred

Re: Comments about draft-hain-templin-ipv6-limitedrange

2003-11-12 Thread Fred Templin
I cannot say which of Tony's points I agree on and which I still might have some uncertainties. But, I will say that our document presents Scenarios and Goals that no one seems to be disputing as a service to the community and these will not go away.    I will also say that I think it's time for us

myth: IETF cannot tell people how to run their networks

2003-11-12 Thread Keith Moore
Tony keeps making statements like the one in the subject line of this message. This message attempts to explain why such statements are not helpful generalizations. IETF can, does, and should make various kinds of statements about how people run IP networks. Most of the time, these take the f

Comments about draft-hain-templin-ipv6-limitedrange

2003-11-12 Thread Tony Hain
For those who were not in the room this evening, my comments were that the complaints on the list about the draft fall into a couple of broad categories: One class basically intends to tell people how to run their networks. The IETF defines how the protocols work, not how individual networks are r