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From rpsec-admin@ietf.org  Thu May  2 18:21:17 2002
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Date: Thu, 2 May 2002 18:19:36 -0400 (EDT)
From: Russ White <ruwhite@cisco.com>
Reply-To: Russ White <riw@cisco.com>
To: rpsec@ietf.org
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Y'all:

Our charter is going before the iesg in the next couple of weeks,
and our first milestone already looms large.... Some initial
draft(s) on vulnerabilities. We have several questions to answer
here:

-- Should we just await/expect individual submissions, and
merge/work with them as needed/etc.?

-- Should we form technical groups within this working group off
the main alias to start these drafts? If so, should we have one
team, or several?

-- Do we like IGP/EGP splits in the docs, or should a given doc
cover both?

Or do we want to wait and see what's presented, and work from
there? Part of the issue is, of course, we'd like to know what
kind of agenda we're likely to have in Japan, since we would like
to meet there and get this ball rolling.

Thoughts? Any ideas on how to get the work rolling? Are there
people already working on these sorts of docs?

:-)

Russ

__________________________________
riw@cisco.com CCIE <>< Grace Alone




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From rpsec-admin@ietf.org  Wed May  8 22:41:51 2002
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Date: Wed, 8 May 2002 22:00:37 -0400 (EDT)
From: Russ White <ruwhite@cisco.com>
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Okay, this list is too quiet. So BOO!

I think we need to get some discussion rolling here, and decide
how we are going to get some drafts up and going. So, to that
end, some questions:

-- There appear to be several seperate problems in securing
routing systems:

-- Knowing for certain the the device/as advertising a given
address actually should be advertising that address. For
instance, you are receiving an advertisement for 10/8 from AS
65000. Should as 6500 really be advertising this destination as
reachable?

-- Knowing for certain that a device/as advertising a given
address is who it claims to be. For instance, some device
claiming to be part of as 65000 is advertising 10/8. Is it really
part of that as?

The second aspect is represented in a couple of ways--a "man in
the middls" can grab your traffic (or misdirect it) by claiming
as 65000 is behind them, or by stating that they are as
65000. Either one seems to work equally as well.

Are these two seperate problems which need to be solved in two
seperate ways? Are they applicable to all protocols? How much of
a chunk of these two problems does securing the interrouter
communications within a given protocol solve any of these
problems?

Should we address these as seperate problems in seperate
documents, or should an entire system stand or fall as one unit?

On another topic, should we have two seperate sets of drafts for
requirements docs, one for interior protocols, and one for
exterior protocols? Should we form technical subgroups to work on
these?

:-)

Russ

__________________________________
riw@cisco.com CCIE <>< Grace Alone







_______________________________________________
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RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec


From rpsec-admin@ietf.org  Thu May  9 06:02:47 2002
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Date: Thu, 9 May 2002 06:01:31 -0400 (EDT)
From: Russ White <ruwhite@cisco.com>
Reply-To: Russ White <riw@cisco.com>
To: rpsec@ietf.org
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So, I messed up the address when I sent this, and it still got
delivered, somehow, but people seem to be having problems
responding, so I'm sending it again to the right address this
time.

:-)

Russ

-----


Okay, this list is too quiet. So BOO!

I think we need to get some discussion rolling here, and decide
how we are going to get some drafts up and going. So, to that
end, some questions:

-- There appear to be several seperate problems in securing
routing systems:

-- Knowing for certain the the device/as advertising a given
address actually should be advertising that address. For
instance, you are receiving an advertisement for 10/8 from AS
65000. Should as 6500 really be advertising this destination as
reachable?

-- Knowing for certain that a device/as advertising a given
address is who it claims to be. For instance, some device
claiming to be part of as 65000 is advertising 10/8. Is it really
part of that as?

The second aspect is represented in a couple of ways--a "man in
the middls" can grab your traffic (or misdirect it) by claiming
as 65000 is behind them, or by stating that they are as
65000. Either one seems to work equally as well.

Are these two seperate problems which need to be solved in two
seperate ways? Are they applicable to all protocols? How much of
a chunk of these two problems does securing the interrouter
communications within a given protocol solve any of these
problems?

Should we address these as seperate problems in seperate
documents, or should an entire system stand or fall as one unit?

On another topic, should we have two seperate sets of drafts for
requirements docs, one for interior protocols, and one for
exterior protocols? Should we form technical subgroups to work on
these?

:-)

Russ


__________________________________
riw@cisco.com CCIE <>< Grace Alone



_______________________________________________
RPSEC mailing list
RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec


From rpsec-admin@ietf.org  Thu May  9 06:13:51 2002
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Date: Thu, 9 May 2002 06:12:43 -0400 (EDT)
From: Russ White <ruwhite@cisco.com>
Reply-To: Russ White <riw@cisco.com>
To: "Joel M. Halpern" <joel@stevecrocker.com>
cc: rpsec@ietf.org
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> There is a very big difference between claiming to be part of
> a certain AS and claiming to be on the path to a certain AS.  
> In link state systems that distinction is intrinsic to the
> system.  Even with vector based systems, there are a range of
> counter-measures that are different in dealing with the two
> issues.  I suggest that they be treated separately.

So, you think we should treat the link state igp's different than
the path vector bgp.... I would tend to agree that we are going
to see a completely different set of problems, and thus should
treat them in two seperate sets of drafts, probably.

How well can we _really_ secure the concept of "being on a path
to a given as?" I've been looking at this problem for some
time--while it seems easy enough to verify where an advertisement
has gone, it seems much more difficult to actually verify that
the path shown is actually a valid and good path to the given
destination. In fact, I think we wander into trying to get
trust that needs to be based on a relationship out of simple
electronic signatures, and I'm not certain it's going to work.

The only apparent way to do this is to provide the ability to map
the topology of a network, and verify the path against a known
topology database maintained by a trusted thrid party. This seems
to run counter to good network design (hiding information) and to
good business tactics (hiding information). In fact, you could so
far as to say that netowrks scale by hiding topology information,
while propogating reachability information. Aggregation, as
boundaries, area bounderies--they all serve this (implicit)
purpose--to hide topology while exposing reachability.

I'm not quite certain what the solution is to this apparent
contradiction (?).

:-)

Russ

__________________________________
riw@cisco.com CCIE <>< Grace Alone



_______________________________________________
RPSEC mailing list
RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec


From rpsec-admin@ietf.org  Thu May  9 06:24:27 2002
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Date: Thu, 9 May 2002 06:20:27 -0400 (EDT)
From: Russ White <ruwhite@cisco.com>
Reply-To: Russ White <riw@cisco.com>
To: "Jonnala, Nagi" <nagij@netplane.com>
cc: rpsec@ietf.org
Subject: RE: [RPSEC] Questions....
In-Reply-To: <E7E13AAF2F3ED41197C100508BD6A3283B8157@india_exch.hyderabad.mindspeed.com>
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I don't know of any--I'm a novice at the security side of
this.... :-) Maybe someone on list can recommand some good
security reading for the routing geeks on the list (?).

:-)

Russ

On Thu, 9 May 2002, Jonnala, Nagi wrote:

> Hi Russ,
> 
> This is Nagi work for a company called NetPlane in India.
> 
> I have a lot of enthusiasm on Routing Protocols Security topic.
> Would like to participate actively in the group.
> 
> Could you please suggest some readings/drafts/books to get hold
> of the subject thoroughly. 
> 
> Thanks a lot,
> Nagi.
> 
> 
>     |    -----Original Message-----
>     |    From: Russ White [mailto:ruwhite@cisco.com]
>     |    Sent: Thursday, May 09, 2002 7:32 AM
>     |    To: rpsec@ietf.org
>     |    Subject: [RPSEC] Questions....
>     |    
>     |    
>     |    
>     |    Okay, this list is too quiet. So BOO!
>     |    
>     |    I think we need to get some discussion rolling here, and decide
>     |    how we are going to get some drafts up and going. So, to that
>     |    end, some questions:
>     |    
>     |    -- There appear to be several seperate problems in securing
>     |    routing systems:
>     |    
>     |    -- Knowing for certain the the device/as advertising a given
>     |    address actually should be advertising that address. For
>     |    instance, you are receiving an advertisement for 10/8 from AS
>     |    65000. Should as 6500 really be advertising this destination as
>     |    reachable?
>     |    
>     |    -- Knowing for certain that a device/as advertising a given
>     |    address is who it claims to be. For instance, some device
>     |    claiming to be part of as 65000 is advertising 10/8. 
>     |    Is it really
>     |    part of that as?
>     |    
>     |    The second aspect is represented in a couple of ways--a "man in
>     |    the middls" can grab your traffic (or misdirect it) by claiming
>     |    as 65000 is behind them, or by stating that they are as
>     |    65000. Either one seems to work equally as well.
>     |    
>     |    Are these two seperate problems which need to be solved in two
>     |    seperate ways? Are they applicable to all protocols? 
>     |    How much of
>     |    a chunk of these two problems does securing the interrouter
>     |    communications within a given protocol solve any of these
>     |    problems?
>     |    
>     |    Should we address these as seperate problems in seperate
>     |    documents, or should an entire system stand or fall as 
>     |    one unit?
>     |    
>     |    On another topic, should we have two seperate sets of 
>     |    drafts for
>     |    requirements docs, one for interior protocols, and one for
>     |    exterior protocols? Should we form technical subgroups 
>     |    to work on
>     |    these?
>     |    
>     |    :-)
>     |    
>     |    Russ
>     |    
>     |    __________________________________
>     |    riw@cisco.com CCIE <>< Grace Alone
>     |    
>     |    
>     |    
>     |    
>     |    
>     |    
>     |    
>     |    _______________________________________________
>     |    RPSEC mailing list
>     |    RPSEC@ietf.org
>     |    https://www1.ietf.org/mailman/listinfo/rpsec
>     |    
> 

__________________________________
riw@cisco.com CCIE <>< Grace Alone



_______________________________________________
RPSEC mailing list
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https://www1.ietf.org/mailman/listinfo/rpsec


From rpsec-admin@ietf.org  Thu May  9 08:42:49 2002
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From: "Manral, Vishwas" <VishwasM@netplane.com>
To: "'Russ White'" <riw@cisco.com>, rpsec@ietf.org
Subject: RE: [RPSEC] Quesitons....
Date: Thu, 9 May 2002 08:40:02 -0400 
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Hi Russ/group,

>On another topic, should we have two seperate sets of drafts for
>requirements docs, one for interior protocols, and one for
>exterior protocols? Should we form technical subgroups to work on
>these?

I feel, the security threats would be different in case of interior
protocols and exterior protocols, and that is why maybe two different
requirements document would be necessary.

I feel, the way to exploit the security of a protocol, is to twist the
existing mechanisms already existing in the protocols i.e. flooding/Sequence
number attacks in case of existing Link state protocols. As the mechanisms
used for EGP and IGP's are different we could do with two such documents.
However if the requirements came to be similar we could always merge the
requirements in the end.

Thanks,
Vishwas


-----Original Message-----
From: Russ White [mailto:ruwhite@cisco.com]
Sent: Thursday, May 09, 2002 3:32 PM
To: rpsec@ietf.org
Subject: [RPSEC] Quesitons....



So, I messed up the address when I sent this, and it still got
delivered, somehow, but people seem to be having problems
responding, so I'm sending it again to the right address this
time.

:-)

Russ

-----


Okay, this list is too quiet. So BOO!

I think we need to get some discussion rolling here, and decide
how we are going to get some drafts up and going. So, to that
end, some questions:

-- There appear to be several seperate problems in securing
routing systems:

-- Knowing for certain the the device/as advertising a given
address actually should be advertising that address. For
instance, you are receiving an advertisement for 10/8 from AS
65000. Should as 6500 really be advertising this destination as
reachable?

-- Knowing for certain that a device/as advertising a given
address is who it claims to be. For instance, some device
claiming to be part of as 65000 is advertising 10/8. Is it really
part of that as?

The second aspect is represented in a couple of ways--a "man in
the middls" can grab your traffic (or misdirect it) by claiming
as 65000 is behind them, or by stating that they are as
65000. Either one seems to work equally as well.

Are these two seperate problems which need to be solved in two
seperate ways? Are they applicable to all protocols? How much of
a chunk of these two problems does securing the interrouter
communications within a given protocol solve any of these
problems?

Should we address these as seperate problems in seperate
documents, or should an entire system stand or fall as one unit?

On another topic, should we have two seperate sets of drafts for
requirements docs, one for interior protocols, and one for
exterior protocols? Should we form technical subgroups to work on
these?

:-)

Russ


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From rpsec-admin@ietf.org  Thu May  9 08:47:30 2002
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Date: Thu, 09 May 2002 08:17:19 -0400
To: rpsec@ietf.org
From: "Joel M. Halpern" <joel@stevecrocker.com>
Subject: Re: [RPSEC] Quesitons....
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There is a very big difference between claiming to be part of a certain AS 
and claiming to be on the path to a certain AS.  In link state systems that 
distinction is intrinsic to the system.  Even with vector based systems, 
there are a range of counter-measures that are different in dealing with 
the two issues.  I suggest that they be treated separately.

Yours,
Joel M. Halpern

At 06:01 AM 5/9/2002 -0400, Russ White wrote:

>Okay, this list is too quiet. So BOO!
>
>I think we need to get some discussion rolling here, and decide
>how we are going to get some drafts up and going. So, to that
>end, some questions:
>
>-- There appear to be several seperate problems in securing
>routing systems:
>
>-- Knowing for certain the the device/as advertising a given
>address actually should be advertising that address. For
>instance, you are receiving an advertisement for 10/8 from AS
>65000. Should as 6500 really be advertising this destination as
>reachable?
>
>-- Knowing for certain that a device/as advertising a given
>address is who it claims to be. For instance, some device
>claiming to be part of as 65000 is advertising 10/8. Is it really
>part of that as?
>
>The second aspect is represented in a couple of ways--a "man in
>the middls" can grab your traffic (or misdirect it) by claiming
>as 65000 is behind them, or by stating that they are as
>65000. Either one seems to work equally as well.
>
>Are these two seperate problems which need to be solved in two
>seperate ways? Are they applicable to all protocols? How much of
>a chunk of these two problems does securing the interrouter
>communications within a given protocol solve any of these
>problems?
>
>Should we address these as seperate problems in seperate
>documents, or should an entire system stand or fall as one unit?
>
>On another topic, should we have two seperate sets of drafts for
>requirements docs, one for interior protocols, and one for
>exterior protocols? Should we form technical subgroups to work on
>these?
>
>:-)
>
>Russ
>
>
>__________________________________
>riw@cisco.com CCIE <>< Grace Alone
>
>
>
>_______________________________________________
>RPSEC mailing list
>RPSEC@ietf.org
>https://www1.ietf.org/mailman/listinfo/rpsec




_______________________________________________
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From rpsec-admin@ietf.org  Thu May  9 08:51:21 2002
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Date: Thu, 09 May 2002 08:23:51 -0400
To: rpsec@ietf.org
From: "Joel M. Halpern" <joel@stevecrocker.com>
Subject: Re: [RPSEC] Questions....
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Yes, I think there are significant threat differences affected by the style 
of protocol used.
However, I was more focussing on the issue you got to in the later portion 
of your note.  We can talk about whether someone has the right to advertise 
certain internal properties (has internal reachability to certain address 
blocks for example.)  We can talk about whether some can speak on behalf of 
a given entity (speak for an AS, legitimately introduce an advertisement in 
either vector or map systems claiming to have been originated by a specific 
entity, ...)  However, in path systems the amount we can practically 
accomplish with regard to manipulations of the path portion of the 
advertisement is moderately limitted, and tends to end up with things that 
are in the earlier set.  Trying for example to ensure that an intermediate 
node in a path does not remove some elements of the path information (but 
retain the origination) or that the node correctly represents cumulative 
QoS quantities of the path as it sees them, require MUCH heavier weight 
mechanisms an specifically require very different mechanisms than the first 
set of issues.

Yours,
Joel M. Halpern

At 06:12 AM 5/9/2002 -0400, Russ White wrote:

> > There is a very big difference between claiming to be part of
> > a certain AS and claiming to be on the path to a certain AS.
> > In link state systems that distinction is intrinsic to the
> > system.  Even with vector based systems, there are a range of
> > counter-measures that are different in dealing with the two
> > issues.  I suggest that they be treated separately.
>
>So, you think we should treat the link state igp's different than
>the path vector bgp.... I would tend to agree that we are going
>to see a completely different set of problems, and thus should
>treat them in two seperate sets of drafts, probably.
>
>How well can we _really_ secure the concept of "being on a path
>to a given as?" I've been looking at this problem for some
>time--while it seems easy enough to verify where an advertisement
>has gone, it seems much more difficult to actually verify that
>the path shown is actually a valid and good path to the given
>destination. In fact, I think we wander into trying to get
>trust that needs to be based on a relationship out of simple
>electronic signatures, and I'm not certain it's going to work.
>
>The only apparent way to do this is to provide the ability to map
>the topology of a network, and verify the path against a known
>topology database maintained by a trusted thrid party. This seems
>to run counter to good network design (hiding information) and to
>good business tactics (hiding information). In fact, you could so
>far as to say that netowrks scale by hiding topology information,
>while propogating reachability information. Aggregation, as
>boundaries, area bounderies--they all serve this (implicit)
>purpose--to hide topology while exposing reachability.
>
>I'm not quite certain what the solution is to this apparent
>contradiction (?).
>
>:-)
>
>Russ
>
>__________________________________
>riw@cisco.com CCIE <>< Grace Alone




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From rpsec-admin@ietf.org  Thu May  9 10:11:24 2002
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>> There is a very big difference between claiming to be part of
>> a certain AS and claiming to be on the path to a certain AS.  
>> In link state systems that distinction is intrinsic to the
>> system.  Even with vector based systems, there are a range of
>> counter-measures that are different in dealing with the two
>> issues.  I suggest that they be treated separately.
>
>So, you think we should treat the link state igp's different than
>the path vector bgp.... I would tend to agree that we are going
>to see a completely different set of problems, and thus should
>treat them in two seperate sets of drafts, probably.

I agree that link state and distance/path vector systems have very
different security issues.  Link state systems are vulnerable because
of the flooding aspect of link state systems - you are communicating
the same info everywhere but by relying on intermediate systems to
serve as a reliable communication medium.  So the intermediate systems
have the opportunity to manipulate the flooded information to create any
arbitrary topology.  Coincidentally, this flooding of the same
(unchanged) information everywhere makes protecting link state
protocols simple: provide data source authentication protection for
the information.  Done.  (Well, not "done" exactly, the devil is always
in the details.)

But even link state systems have some aspect of the "is this
originator authorized to announce the routing information it is
announcing".  In OSPF, for example, you still have to have some way to
prove the authorization for a router to announce that it is directly
connected to a network N.  You want to be sure that a router that is
producing type 5 LSA's is truly an ASBR.  Etc.

Is the fact that the counter-measures would be different sufficient
reason to provide different security requirements drafts?

--Sandy

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From rpsec-admin@ietf.org  Thu May  9 10:12:12 2002
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There are hints that some responders are equating the IGP/EGP
characterization of routing protocols with the link/vector characterization.
  >So, you think we should treat the link state igp's different than
  >the path vector bgp....

  >I feel, the way to exploit the security of a protocol, is to twist the
  >existing mechanisms already existing in the protocols i.e. flooding/Sequence
  >number attacks in case of existing Link state protocols. As the mechanisms
  >used for EGP and IGP's are different we could do with two such documents.

I see no reason to suppose that IGP and EGP protocols have
instrinsically different security requirements.  (Furthermore, not all
IGP's are link state (see RIP), not all EGP's are vector (see IDPR,
RFC1479).)  Now, the damage that might be done by subverting the IGP
routing information vs subverting EGP routing information certainly
has different Internet wide topological *scope*, no question.

But the difference to me is the protocol behavior, not its field of use.

--Sandy

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From rpsec-admin@ietf.org  Thu May  9 10:14:20 2002
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>How well can we _really_ secure the concept of "being on a path
>to a given as?" I've been looking at this problem for some
>time--while it seems easy enough to verify where an advertisement
>has gone, it seems much more difficult to actually verify that
>the path shown is actually a valid and good path to the given
>destination.

"Gone"?  I would say you can verify where the advertisement has "come
from" - is that what you meant?  I don't know how one would verify
where something had gone.  The protocol could return acks, but that
would only give you a lower bound on receivers.

But I agree completely with the "much more difficult" part for vector
sorts of protocols.  And with Joel, who talked about "MUCH heavier
weight mechanisms".  Because each participant transmits the result of
a computation on its input data, and what you want is some assurance
that the computation is based on legitimate input.

>The only apparent way to do this is to provide the ability to map
>the topology of a network, and verify the path against a known
>topology database maintained by a trusted thrid party.

Two rhetorical questions:

If the trusted third party has a known topology database, why do you
need a routing protocol to transmit topology information around?  Why
not just download the trusted database?

If you say you need a routing protocol to transmit the up/down
status information, why transmit the topology information as well?

I think part of the problem at the inter-domain level is that routing
decisions are based not only on topology and status, but on business
arrangements.  So the the route may be exist and be up, but you and
your peering partner haven't agreed yet to transit that network's
traffic.  (If this were not the case, the Smith/Garcia-Lunes-Aceves
protections for BGP would be sufficient.)


>In fact, you could so
>far as to say that netowrks scale by hiding topology information,
>while propogating reachability information. Aggregation, as
>boundaries, area bounderies--they all serve this (implicit)
>purpose--to hide topology while exposing reachability.

But hiding information is exactly what makes the system vulnerable.
"I've got a path to network N, just trust me" affects not only the
receiver who believes it but everyplace that the receiver passes it
on to.

Peers trust their partners, but we're trying to protect the global
structure.  If that trust is misplaced, it's not just the trusting
partner who suffers, it's the global structure.


--Sandy

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Joel, you said:

>There is a very big difference between claiming to be part of a certain AS 
>and claiming to be on the path to a certain AS.  In link state systems that 
>distinction is intrinsic to the system.  Even with vector based systems, 
>there are a range of counter-measures that are different in dealing with 
>the two issues.  I suggest that they be treated separately.

and

>However, I was more focussing on the issue you got to in the later portion 
>of your note.  We can talk about whether someone has the right to advertise 
>certain internal properties (has internal reachability to certain address 
>blocks for example.)  We can talk about whether some can speak on behalf of 
>a given entity (speak for an AS, legitimately introduce an advertisement in 
>either vector or map systems claiming to have been originated by a specific 
>entity, ...)  However, in path systems the amount we can practically 
>accomplish with regard to manipulations of the path portion of the 
>advertisement is moderately limitted, and tends to end up with things that 
>are in the earlier set.

So you are suggesting a different way of dividing the problem: not by
IGP/EGP and not by link/vector, but by the class of properties that
we can easily protect?

I'm not sure I see a neat way of characterizing the easy from the
difficult properties.  Are the easy problems the ones having to do
with information the ISP is speaking for itself only (i.e., none of
this "I heard from Joe" but the "I say for myself").  If so, what
would you say about protocol mechanisms that Russ was talking about
that aggregate information at some point - is that the "speaking for
oneself" information that we would devise some way of protecting or
not?  Is that a "manipulation of the path portion of the advertisement"
or not?

--Sandy

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From rpsec-admin@ietf.org  Thu May  9 12:23:30 2002
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From: Subhendu Ghosh <sghosh@sghosh.org>
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Just to throw another twist in the mix...

I am working on methods to allow/announce reachability
between a manet environment and a standard IGP.
The potential for route flapping here is quite large.


Security here is something I would like to achieve but am a bit ways off 
as yet.  Would this be considered as part of the scope of this WG?

-subhendu


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Folks

 Some draft thoughts on this discussion...

 Assuming that the WG will start with threat description
 (according to the milestones), why don't we try to identify
 common subsystems in all routing protocols, e.g.:

  o Transport subsystem            (mechanisms to send messages)
  o Neighbor state maintenance     (how we find/drop nbrs, adjacency/session process)
  o Database maintenance           (additional DBs used for topology and
                                    reachability info: LSDBs, RIBs, TIBs,etc.)
  o Routing state maintenance      (how the routing/forwarding state is setup/removed)
    ...
    
 --then describe different categories and subcategories in
 each subsystem and then go ahead with description of threats
 specific to each type of subsystem.

 To give an example, let's take the transport subsystem. A description
 of it would probably follow an outline like this:

    1. Transport Subsystem
    1.1 Degree of connectivity
        -Point-to-point transport
        -Point-to-multipoint transport
        -Broadcast/multicast transport
    1.2 Used layer
        -Link-layer transport
        -Network-layer transport
        -Transport-layer transport
    1.3 Provided service
        -Connectionless unreliable (link-layer, raw ip, udp)
        -Connection-oriented reliable (tcp,...)
        -other (???)

 I guess we could associate a set of threats with each bullet
 above.
 
 What I like in this approach is that it will allow us to give
 a good coverage in a structured manner without becoming too
 protocol-specific. We'll also be able to start with a skeleton
 document, and go into deeper details as we progress. We can
 later use the same model for the requirements document.

 Thoughts?
  
-- 
Alex



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From rpsec-admin@ietf.org  Thu May  9 17:11:53 2002
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On Thu, 9 May 2002, Alex Zinin wrote:

> Folks
>
>  Some draft thoughts on this discussion...
>
>  Assuming that the WG will start with threat description
>  (according to the milestones), why don't we try to identify
>  common subsystems in all routing protocols, e.g.:

<snip>

>  I guess we could associate a set of threats with each bullet
>  above.
>
>  What I like in this approach is that it will allow us to give
>  a good coverage in a structured manner without becoming too
>  protocol-specific. We'll also be able to start with a skeleton
>  document, and go into deeper details as we progress. We can
>  later use the same model for the requirements document.
>
>  Thoughts?

I quite like it.
It seems to me that when thinking about security it's often
matter of classifying a given situation and then knowing
what kinds of questions to ask about such a situation.

This way protocol designers, implementors and users can
ask "What about DoS?"  "What about authorization?", etc.

Tony


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From rpsec-admin@ietf.org  Thu May  9 21:15:31 2002
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> But the difference to me is the protocol behavior, not its
> field of use.

I tend to agree with this--but I do think that distance vector
and link state protocols are going to wind up with different
requirements, and different ways of approaching/thinking about
the problems.... I'm not convinced, of course, but I think that
any unified requirements doc is actually going to end up being
two requirements docs in one, and they will be easier to discuss
seperately.

:-)

Russ



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From rpsec-admin@ietf.org  Thu May  9 21:19:02 2002
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I think so... If it's routing related, and requirements/thinking
phase, you should feel free to discuss it here. Unless Alex or
Bill hit me over the head.

:-)

Russ

On Thu, 9 May 2002, Subhendu Ghosh wrote:

> Just to throw another twist in the mix...
> 
> I am working on methods to allow/announce reachability
> between a manet environment and a standard IGP.
> The potential for route flapping here is quite large.
> 
> 
> Security here is something I would like to achieve but am a bit ways off 
> as yet.  Would this be considered as part of the scope of this WG?
> 
> -subhendu
> 
> 
> _______________________________________________
> RPSEC mailing list
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> 

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From rpsec-admin@ietf.org  Thu May  9 21:23:38 2002
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> >How well can we _really_ secure the concept of "being on a path
> >to a given as?" I've been looking at this problem for some
> >time--while it seems easy enough to verify where an advertisement
> >has gone, it seems much more difficult to actually verify that
> >the path shown is actually a valid and good path to the given
> >destination.
> 
> "Gone"?  I would say you can verify where the advertisement has "come
> from" - is that what you meant?  

Come from is correct.

> But I agree completely with the "much more difficult" part
> for vector sorts of protocols.  And with Joel, who talked
> about "MUCH heavier weight mechanisms".  Because each
> participant transmits the result of a computation on its
> input data, and what you want is some assurance that the
> computation is based on legitimate input.

> >The only apparent way to do this is to provide the ability to map
> >the topology of a network, and verify the path against a known
> >topology database maintained by a trusted thrid party.
> 
> Two rhetorical questions:
> 
> If the trusted third party has a known topology database, why
> do you need a routing protocol to transmit topology
> information around?  Why not just download the trusted
> database?

I'm not so certain this is rhetorical, actually. But we need to
seperate topology from reachability--any topology of the as'
would tell you what the network looks like, but it won't tell how
to reach a given host within that network.

The problem is to me that it's _precisely_ topology information
that is to be hidden in order to provide scalability, and a lot
of provider's aren't going to want topology information
distributed--that involves knowing who they are connected to and
where, pretty much, and it could be considered information which
is subject to security issues of its own.

> I think part of the problem at the inter-domain level is that
> routing decisions are based not only on topology and status,
> but on business arrangements.  So the the route may be exist
> and be up, but you and your peering partner haven't agreed
> yet to transit that network's traffic.  (If this were not the
> case, the Smith/Garcia-Lunes-Aceves protections for BGP would
> be sufficient.)

Right.

> >In fact, you could so
> >far as to say that netowrks scale by hiding topology information,
> >while propogating reachability information. Aggregation, as
> >boundaries, area bounderies--they all serve this (implicit)
> >purpose--to hide topology while exposing reachability.
> 
> But hiding information is exactly what makes the system
> vulnerable. "I've got a path to network N, just trust me"
> affects not only the receiver who believes it but everyplace
> that the receiver passes it on to.
> 
> Peers trust their partners, but we're trying to protect the
> global structure.  If that trust is misplaced, it's not just
> the trusting partner who suffers, it's the global structure.

I suppose my question is: At what point do we have to trust the
peering relationships, and at what point do we force information
into the open to verify the topology? One key difference between
igp's and egp's may just be that we have to work within the
bounds of what's an acceptable level of information to reveal in
terms of topology information within the egp world, while this is
not a big deal in the igp world.

:-)

Russ


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Agreed.... I would probably divide the routing system into
reachability and topology aspects, since this is where they seem
to naturally fall.

BTW--someone said that reachability was intrinsic to topology in
link state protocols, I think (?).... Actually, I think it's the
opposite. A link state protocol can clearly give you a topology
with no reachability (although it cannot give you reachability
with no topology). IS-IS in IP mode with no prefixes to
advertise.

A distance-vector protocol can't give you topology without
reachability, it seems to me.

:-)

Russ

On Thu, 9 May 2002, Tony Tauber wrote:

> On Thu, 9 May 2002, Alex Zinin wrote:
> 
> > Folks
> >
> >  Some draft thoughts on this discussion...
> >
> >  Assuming that the WG will start with threat description
> >  (according to the milestones), why don't we try to identify
> >  common subsystems in all routing protocols, e.g.:
> 
> <snip>
> 
> >  I guess we could associate a set of threats with each bullet
> >  above.
> >
> >  What I like in this approach is that it will allow us to give
> >  a good coverage in a structured manner without becoming too
> >  protocol-specific. We'll also be able to start with a skeleton
> >  document, and go into deeper details as we progress. We can
> >  later use the same model for the requirements document.
> >
> >  Thoughts?
> 
> I quite like it.
> It seems to me that when thinking about security it's often
> matter of classifying a given situation and then knowing
> what kinds of questions to ask about such a situation.
> 
> This way protocol designers, implementors and users can
> ask "What about DoS?"  "What about authorization?", etc.
> 
> Tony
> 
> 
> _______________________________________________
> RPSEC mailing list
> RPSEC@ietf.org
> https://www1.ietf.org/mailman/listinfo/rpsec
> 

__________________________________
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Russ,

> Agreed.... I would probably divide the routing system into
> reachability and topology aspects, since this is where they seem
> to naturally fall.

Hmmm... I have a different model in mind, I guess:
[Note the presence of the database subsystem.]

The way I see it is routing/forwarding state is information
you maintain to actually forward packets. Creation of
this state can be:
 - Destination-presence driven (current unicast system)
 - Data traffic driven (MANET: AODV, DSR)
 - Membership driven (multicast)
 - [other examples]

reachability and topological information is an example
of a database (or databases) used to create destination-presence
driven routing state.

> BTW--someone said that reachability was intrinsic to topology in
> link state protocols, I think (?).... Actually, I think it's the
> opposite. A link state protocol can clearly give you a topology
> with no reachability (although it cannot give you reachability
> with no topology). IS-IS in IP mode with no prefixes to
> advertise.

You're right, of course. One could imagine OSPF routers
announcing no reachability info as well.

> A distance-vector protocol can't give you topology without
> reachability, it seems to me.

Not the ones we have at the moment.

One could imagine a routing protocol announcing _locations_
of the routers using the DV (BF) rules and then distributing
reachability info in a flooding-like fashion (no hop-by-hop
metric increment). Route calculation would then be similar
to external route calculation in link-state, but the SPT would
already be precomputed by BF without having to run Dijkstra.
Hope I'm not confusing much ;)

Alex



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From rpsec-admin@ietf.org  Fri May 10 06:09:15 2002
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From: Russ White <ruwhite@cisco.com>
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To: Alex Zinin <zinin@psg.com>
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> > Agreed.... I would probably divide the routing system into
> > reachability and topology aspects, since this is where they seem
> > to naturally fall.
> 
> Hmmm... I have a different model in mind, I guess: [Note the
> presence of the database subsystem.]
> 
> The way I see it is routing/forwarding state is information
> you maintain to actually forward packets. Creation of
> this state can be:
>  - Destination-presence driven (current unicast system)
>  - Data traffic driven (MANET: AODV, DSR)
>  - Membership driven (multicast)
>  - [other examples]
> 
> reachability and topological information is an example of a
> database (or databases) used to create destination-presence
> driven routing state.

Well, I was thinking in terms of what it is you're trying to
secure.... You can try to "secure" the topology information (in
some sense, though I'm not certain what that would be at the
moment?), and you can secure the destination information--can you
verify the source of this information, and is that source really
the right place to send traffic towards this destination?

But both of these fall into the current unicast structure--i'm
not certain you can divide the multicast domain in such a way,
nor MANET and such....

> > BTW--someone said that reachability was intrinsic to topology in
> > link state protocols, I think (?).... Actually, I think it's the
> > opposite. A link state protocol can clearly give you a topology
> > with no reachability (although it cannot give you reachability
> > with no topology). IS-IS in IP mode with no prefixes to
> > advertise.
> 
> You're right, of course. One could imagine OSPF routers
> announcing no reachability info as well.
> 
> > A distance-vector protocol can't give you topology without
> > reachability, it seems to me.
> 
> Not the ones we have at the moment.
> 
> One could imagine a routing protocol announcing _locations_
> of the routers using the DV (BF) rules and then distributing
> reachability info in a flooding-like fashion (no hop-by-hop
> metric increment). Route calculation would then be similar
> to external route calculation in link-state, but the SPT would
> already be precomputed by BF without having to run Dijkstra.
> Hope I'm not confusing much ;)

Actually, some time ago the concept of bgp just advertising what
as' different prefixes are attached to, then using some other
method of actually mapping out the as'. If a distance vector
system were used to map the as', then you would have such a
system. In fact, security in bgp today could be broken into these
pieces--is this as actually attached to the as that it claims to
be, and is the as which is sourcing this information actually
authorized to do so, and is the source really the as which claims
to be sourcing it?

Of course, the problem here is uncovering who is connected to
whom, which I'm not certain is palatable to most ISPs, since it
also reveals lots of interesting things, like who your customers
are, and who all you are peering with. With a little creativity,
you could use this information to map an isp's entire network, I
think.

And by tracking this sort of information on a historical scale,
you could uncover  business strategies, etc. I would not have a
hard time believing that this would be a security risk in and of
itself.

:-)

Russ


__________________________________
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From rpsec-admin@ietf.org  Fri May 10 17:14:57 2002
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On Thu, 9 May 2002 sandy@tislabs.com wrote:
> Two rhetorical questions:
>
> If the trusted third party has a known topology database, why do you
> need a routing protocol to transmit topology information around?  Why
> not just download the trusted database?
>
> If you say you need a routing protocol to transmit the up/down
> status information, why transmit the topology information as well?
>
> I think part of the problem at the inter-domain level is that routing
> decisions are based not only on topology and status, but on business
> arrangements.  So the the route may be exist and be up, but you and
> your peering partner haven't agreed yet to transit that network's
> traffic.  (If this were not the case, the Smith/Garcia-Lunes-Aceves
> protections for BGP would be sufficient.)

Not to point out the obvious, but dynamic routing protocols are fun and
useful - and imply that it's necessary to transmit both state and
topology information.

cheers!
==========================================================================
"A cat spends her life conflicted between a deep, passionate and profound
desire for fish and an equally deep, passionate and profound desire to
avoid getting wet.  This is the defining metaphor of my life right now."


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From rpsec-admin@ietf.org  Mon May 13 02:00:55 2002
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In message <Pine.GSO.4.21.0205090619350.2544-100000@ruwhite-u10.cisco.com>, Rus
s White writes:
>
>I don't know of any--I'm a novice at the security side of
>this.... :-) Maybe someone on list can recommand some good
>security reading for the routing geeks on the list (?).
>

Are you asking for general security or routing security?  For the 
former, the mechanisms are the easy part; it's learning to think 
paranoid that's hard...

For routing security, there are a number of sources.  The oldest that I 
know of is Radia Perlman's dissertation:

@phdthesis{perlman88,
        author = {Radia Perlman},
        school = {M.I.T.},
        year = 1988,
        title = {Network Layer Protocols with Byzantine Robustness}
}

I discussed some routing security issues a bit later:

@article{iphole, 
   author = {Steven M. Bellovin},
   journal = {Computer Communications Review},
   month = {April}, 
   number = {2}, 
   pages = {32--48},
   title = {Security Problems in the {TCP/IP} Protocol Suite},
   volume = {19}, 
   year = {1989},
   annote = {An early paper describing some security risks from the
        then-standard protocols in TCP/IP.  Not
        all of the attacks have happened yet\ldots.},
   url = "ftp://ftp.research.att.com/dist/internet\_security/ipext.ps.Z"
}

For some defenses, see RFC 2328, 2154, 2385.  For BGP defenses, see

@article{sbgp1,
        author = {Stephen Kent and Charles Lynn and Karen Seo},
        title = {Secure Border Gateway Protocol {(Secure-BGP)}},
        journal = {IEEE Journal on Selected Areas in Communications},
        volume = 18,
        number = 4,
        month = {April},
        year = 2000,
        pages = {582--592}
}       
        
@inproceedings{sbgp2,
        author = {Stephen Kent and Charles Lynn and Joanne Mikkelson and Karen Seo},
        title = {Secure Border Gateway Protocol {(S-BGP)} -- Real World Performance and Deployment Issues}, 
        booktitle = {Proceedings of the IEEE Network and Distributed System Security 
Symposium},
        year = 2000,
        month = {February}
}       

Other papers include

Badger, M.R., and S.L. Murphy. 1996. "Digital Signature Protection of the OSPF Routing Protocol," pp. 93-102 in Proceedings of the Symposium on Network and Distributed System Security. Los Alamitos, CA: IEEE Computer Society Press.

Hauser, R., T. Przygienda, and G. Tsudik. 1997. "Reducing the Cost of Security in Link-State Routing," pp. 93-101 in Proceedings of the Symposium on Network and Distributed System Security. Los Alamitos, CA: IEEE Computer Society Press.

Sirois, K.E., and Stephen T. Kent. 1997. "Securing the Nimrod Routing Architecture," pp. 74-84 in Proceedings of the Annual Internet Society (ISOC) Symposium on Network and Distributed System Security. Los Alamitos, CA: IEEE Computer Society Press.

Smith, B.R., S. Murthy, and J.J. Garcia-Luna-Aceves. 1997. "Securing Distance-Vector Routing Protocols," pp. 85-92 in Proceedings of the Annual Internet Society (ISOC) Symposium on Network and Distributed System Security. Los Alamitos, CA: IEEE Computer Society Press.


		--Steve Bellovin, http://www.research.att.com/~smb
		Full text of "Firewalls" book now at http://www.wilyhacker.com



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Subject: [RPSEC] URL to download my thesis on Byzantinely robust routing
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I managed to find where it's posted, so if anyone is interested:

http://www.lcs.mit.edu/publications/specpub.php?id=997

is apparently a place to retrieve and print it.

Radia



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Y'all:

Is anyone working on a requirements draft, or requirements
drafts? Should we form a small team to go out and do this? Just
trying to figure out if work has started, and how to proceed.

:-)

Russ

__________________________________
riw@cisco.com CCIE <>< Grace Alone



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From rpsec-admin@ietf.org  Wed May 15 09:18:54 2002
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From: Marwaha Shivanajay <engp1609@nus.edu.sg>
To: "'manet@ietf.org'" <manet@ietf.org>,
        "'oldham@grc.nasa.gov'"
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Subject: [RPSEC] RE: [manet] Dumber Question?
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Hi,
Assignment of IP adresses is done using "autoconfiguration" in ad hoc
networks.
The draft that deals with this can be found here
http://www.cs.ucsb.edu/~eroyer/txt/autoconf.txt

To summarize it in short:
If a mobile node wants to have an IP address it broadcasting a RREQ kind of
message destined to that IP address. If there exists a mobile device with
the same address it gets a RREP back from it and reinitiates the process by
choosing a new IP address, otherwise (if it aint get any RREP) it assumes
that IP address.

The IP address seeking node keeps a temporary address for receiving RREP
back to it.

It does deal with avoiding duplicacy of IP addresses in one disconnected set
of mobiles. But there isn't any central mechanism to allot the same. Nor
does it guarentee uniqueness in disconnected networks. 

Regards,
Shivanajay Marwaha
-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
Research Scholar
Electrical and Computer Engg. Dept.
National University of Singapore.
10 Kent Ridge Crescent,
Singapore 119260.
Ph. +65-68742136
-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~





-----Original Message-----
From: Daniel Oldham [mailto:oldham@grc.nasa.gov] 
Sent: Wednesday, May 15, 2002 7:20 PM
To: Mullen, John P. (Contractor)
Cc: Nast, Douglas P; manet@ietf.org
Subject: RE: [manet] Dumber Question?


Hello Everyone:

Good point, on the Internet IP addresses are regulated and assigned to 
provide a hierarchical structure to allow for proper routing. 

For an ad-hoc network what controls the assignment of IP addresses? 

What happens if there are duplicate IP addresses in an ad-hoc network? 

How is an ad-hoc network connected to the Internet?

How do packets from the Internet get an IP address in an ad-hoc network? 
--
Daniel R. Oldham Ph.D.
Computer Engineer
Satellite Networks and Architectures Branch
NASA Glenn Research Center
21000 Brookpark Road (MS 54-5)
Cleveland OH 44135
216.433.6307 - voice
216.433.8705 - fax
oldham@grc.nasa.gov

>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 5/14/02, 2:16:26 PM, "Mullen, John P. (Contractor)" 
<mullenjp.contractor@trac.wsmr.army.mil> wrote regarding RE: [manet] Dumb 
Question?:


> Hi Doug,

> My concern was that the forwarding process might be called something 
> else
in
> a MANET, since it functions differently from the analogous process in
wired
> networks.  However, the consensus seems to be that the same term is 
> used.
 I
> think I've gotten my answer on that.

> The process would be the consequence of the chosen protocol.  As I 
> understand it, the process by which a node obtains link information is 
> called "routing" and the process by which a node decides which of the
three
> things to do is called either "forwarding" or "switching," depending 
> on
who
> you talk to.  The details of the processes would be limited by
operational
> and hardware constraints and defined in the protocols.

> The scheme used to assign node addresses is a key issue in military
MANETs.
> At the upper levels, one wants a scheme that reflects the hierarchical 
> military organization.  This facilitates the proper routing of orders, 
> partial orders, etc.  However, at the lower levels, one would want an 
> addressing scheme that reflects the actual network topology.  This 
> would allow clustering, which would make route determination and 
> forwarding simpler.  One solution is to do both, coordinating the 
> system via the interface.  However, the nodes are in constant motion, 
> so the interface would need to update its information on the fly.  
> Offsetting the higher efficiency of the clusterable scheme at the 
> lower levels is a more complicated interface and more difficulty 
> enforcing security.  I don't
think
> this issue has been resolved yet, so, of course, the protocols are 
> also
up
> in the air.

> I just started reading _Ad Hoc Networking_, edited by Charles Perkins.
In
> "A DoD Perspective on Mobile Ad Hoc Networks," James Freebersyser
speculates
> on p. 33 that it is unlikely a single protocol will be able to operate 
> efficiently over the full range of conditions under which a military
MANET
> must operate.  If he is correct, the issue may never be fully 
> resolved.

> But, there is always hope,

> And, graduate students.

> :-)

> John Mullen



> -----Original Message-----
> From: Nast, Douglas P [mailto:douglas.p.nast@boeing.com]
> Sent: Tuesday, May 14, 2002 11:10 AM
> To: 'Mullen, John P. (Contractor)'
> Cc: manet@ietf.org
> Subject: RE: [manet] Dumb Question?


> John,

> You sent a reply saying you understood that layer 3 routing was going 
> on
but
> wondered what this other process was.  Thanks for the clarification.

> Note that in your question you say that "such a thing is not possible. 
> Instead, each node that receives a packet decides to..."  and then you
give
> 3 possible behaviors, consume, re-broadcast, or discard.

> By what process do the nodes come to understand which of these 
> behaviors
is
> appropriate for them? Who/What is doing the teaching and to what 
> purpose? Are the decisions you describe being made on the basis of MAC 
> layer addresses or IP?

> The first thing that occurs to me is that this behavior was learned 
> via a route discovery process, sort of like source route bridging in 
> 802 LANs. This approach to routing in Manets was proposed a while back 
> by David B. Johnson, and is, I think, the basis of the reactive 
> approach to manet routing.  If that's the case, then you can call it 
> routing or you can
call
> it switching, but it is not worthy of a new name.

> Based on Perkins and Ram responses, I guess I am missing something,
though.
> Do you think your question has been resolved? If so how?

> Doug Nast, Boeing

> -----Original Message-----
> From: Mullen, John P. (Contractor) 
> [mailto:mullenjp.contractor@trac.wsmr.army.mil]
> Sent: Monday, May 06, 2002 2:08 PM
> To: manet@ietf.org
> Subject: [manet] Dumb Question?


> Hello,

> I am looking for a term, but have had no luck.

> In wired nets, a packet is routed through the network from node to 
> node,
say
> by routing tables.  However, in MANETs, in which packets are broadcast
via
> omnidirectional antennae on a shared channel, such a thing is not
possible.
> Instead, each node that receives a packet  decides to:
>      1.  Discard the packet,
>      2.  "Read" the packet, since it is addressed to the node, and/or
>      3.  Rebroadcast the packet.

> If the node is not to be an intermediary node in the end-to-end path
between
> the source and the destination, or if the node is receiving a copy of 
> a packet it had previously broadcast, it will not broadcast the packet.
This
> is necessary to avoid overutilizing the channel.

> If the node is an intermediary node on the path, then it must 
> rebroadcast the packet.

> I've got this much figured out, but what I do not know is what this
process
> is called.  It is the MANET equivalent to "routing," but is not really 
> routing, since the sending node has no way of directing the packet.

> I've tried a number of searches and read a few glossaries, but have 
> not
been
> able to find this term.

> I'd appreciate any help.

> Thanks,

> John P. Mullen

> _______________________________________________
> manet mailing list
> manet@ietf.org
> https://www1.ietf.org/mailman/listinfo/manet

> _______________________________________________
> manet mailing list
> manet@ietf.org
> https://www1.ietf.org/mailman/listinfo/manet

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From rpsec-admin@ietf.org  Thu May 16 05:42:40 2002
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At 09:17 PM 5/15/2002 +0800, Marwaha Shivanajay wrote:
>Assignment of IP adresses is done using "autoconfiguration" in ad hoc
>networks.

ahem; one mechanism for address assignment is autoconfiguration. Never tell 
your customer that he's not allowed to type it in :^)



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From rpsec-admin@ietf.org  Thu May 16 06:07:04 2002
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From: Marwaha Shivanajay <engp1609@nus.edu.sg>
To: rpsec@ietf.org
Subject: FW: [RPSEC] Current Drafts....
Date: Thu, 16 May 2002 18:05:53 +0800
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 Hi,
 I am ready to team up for a draft. I am working on 
 support for real time communication through routing protocols for 
 MANETs.
 
 Reagrds,
 Shivanajay Marwaha
 -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
 Research Scholar
 Electrical and Computer Engg. Dept.
 National University of Singapore.
 10 Kent Ridge Crescent,
 Singapore 119260.
 Ph. +65-68742136
 -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
> 
> 
> 
> -----Original Message-----
> From: Russ White [mailto:ruwhite@cisco.com]
> Sent: Wednesday, May 15, 2002 8:49 PM
> To: rpsec@ietf.org
> Subject: [RPSEC] Current Drafts....
> 
> 
> Y'all:
> 
> Is anyone working on a requirements draft, or requirements drafts? 
> Should we form a small team to go out and do this? Just trying to 
> figure out if work has started, and how to proceed.
> 
> :-)
> 
> Russ
> 
> __________________________________
> riw@cisco.com CCIE <>< Grace Alone
> 

__________________________________
riw@cisco.com CCIE <>< Grace Alone


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From rpsec-admin@ietf.org  Thu May 16 06:51:25 2002
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From: "Jonnala, Nagi" <nagij@netplane.com>
To: "'Russ White'" <riw@cisco.com>, rpsec@ietf.org
Subject: RE: [RPSEC] Current Drafts....
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I can work on the draft. Being a novice to this kind of work,
I need the driving directions though :-)

-Nagi.

    |    -----Original Message-----
    |    From: Russ White [mailto:ruwhite@cisco.com]
    |    Sent: Wednesday, May 15, 2002 6:19 PM
    |    To: rpsec@ietf.org
    |    Subject: [RPSEC] Current Drafts....
    |    
    |    
    |    Y'all:
    |    
    |    Is anyone working on a requirements draft, or requirements
    |    drafts? Should we form a small team to go out and do this? Just
    |    trying to figure out if work has started, and how to proceed.
    |    
    |    :-)
    |    
    |    Russ
    |    
    |    __________________________________
    |    riw@cisco.com CCIE <>< Grace Alone
    |    
    |    
    |    
    |    _______________________________________________
    |    RPSEC mailing list
    |    RPSEC@ietf.org
    |    https://www1.ietf.org/mailman/listinfo/rpsec
    |    

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From rpsec-admin@ietf.org  Thu May 16 07:13:54 2002
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From: Marwaha Shivanajay <engp1609@nus.edu.sg>
To: rpsec@ietf.org
Subject: RE: [RPSEC] Current Drafts....
Date: Thu, 16 May 2002 19:12:23 +0800
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One possible area is IP addressing in ad hoc networks. There is already a
draft related to this, but it has limitations.
http://www.cs.ucsb.edu/~eroyer/txt/autoconf.txt

Regards,
Ajay

-----Original Message-----
From: Jonnala, Nagi [mailto:nagij@netplane.com] 
Sent: Thursday, May 16, 2002 6:49 PM
To: 'Russ White'; rpsec@ietf.org
Subject: RE: [RPSEC] Current Drafts....



I can work on the draft. Being a novice to this kind of work,
I need the driving directions though :-)

-Nagi.

    |    -----Original Message-----
    |    From: Russ White [mailto:ruwhite@cisco.com]
    |    Sent: Wednesday, May 15, 2002 6:19 PM
    |    To: rpsec@ietf.org
    |    Subject: [RPSEC] Current Drafts....
    |    
    |    
    |    Y'all:
    |    
    |    Is anyone working on a requirements draft, or requirements
    |    drafts? Should we form a small team to go out and do this? Just
    |    trying to figure out if work has started, and how to proceed.
    |    
    |    :-)
    |    
    |    Russ
    |    
    |    __________________________________
    |    riw@cisco.com CCIE <>< Grace Alone
    |    
    |    
    |    
    |    _______________________________________________
    |    RPSEC mailing list
    |    RPSEC@ietf.org
    |    https://www1.ietf.org/mailman/listinfo/rpsec
    |    

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Subject: Re: [RPSEC] Current Drafts....
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Ross,

Add me to the team.

Alex.

Russ White wrote:

> Y'all:
>
> Is anyone working on a requirements draft, or requirements
> drafts? Should we form a small team to go out and do this? Just
> trying to figure out if work has started, and how to proceed.
>
> :-)
>
> Russ
>
> __________________________________
> riw@cisco.com CCIE <>< Grace Alone
>
> _______________________________________________
> RPSEC mailing list
> RPSEC@ietf.org
> https://www1.ietf.org/mailman/listinfo/rpsec


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From rpsec-admin@ietf.org  Thu May 16 10:55:30 2002
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Subject: RE: [RPSEC] Current Drafts....
Date: Thu, 16 May 2002 10:53:51 -0400
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Hello all,
I would like to join the team and work on the  draft. 
regards
ramg

-----Original Message-----
From: ext Russ White [mailto:ruwhite@cisco.com]
Sent: Wednesday, May 15, 2002 8:49 AM
To: rpsec@ietf.org
Subject: [RPSEC] Current Drafts....


Y'all:

Is anyone working on a requirements draft, or requirements
drafts? Should we form a small team to go out and do this? Just
trying to figure out if work has started, and how to proceed.

:-)

Russ

__________________________________
riw@cisco.com CCIE <>< Grace Alone



_______________________________________________
RPSEC mailing list
RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec

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https://www1.ietf.org/mailman/listinfo/rpsec


From rpsec-admin@ietf.org  Thu May 16 13:14:07 2002
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From: "Naidu, Venkata" <Venkata.Naidu@marconi.com>
To: "'Russ White'" <riw@cisco.com>
Cc: "'rpsec@ietf.org'" <rpsec@ietf.org>
Subject: RE: [RPSEC] Current Drafts....
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Russ,

Add me to the team.

--
Venkata.
 
-> Y'all:
-> 
-> Is anyone working on a requirements draft, or requirements
-> drafts? Should we form a small team to go out and do this? Just
-> trying to figure out if work has started, and how to proceed.
-> 
-> :-)
-> 
-> Russ

_______________________________________________
RPSEC mailing list
RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec


From rpsec-admin@ietf.org  Thu May 16 18:33:25 2002
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From: Gwendolynn ferch Elydyr <gwen@reptiles.org>
To: "Naidu, Venkata" <Venkata.Naidu@marconi.com>
cc: "'Russ White'" <riw@cisco.com>, "'rpsec@ietf.org'" <rpsec@ietf.org>
Subject: RE: [RPSEC] Current Drafts....
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> -> Is anyone working on a requirements draft, or requirements
> -> drafts? Should we form a small team to go out and do this? Just
> -> trying to figure out if work has started, and how to proceed.

<aol>

Me too!

</aol>
==========================================================================
"A cat spends her life conflicted between a deep, passionate and profound
desire for fish and an equally deep, passionate and profound desire to
avoid getting wet.  This is the defining metaphor of my life right now."


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From rpsec-admin@ietf.org  Fri May 17 07:37:28 2002
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__________________________________
riw@cisco.com CCIE <>< Grace Alone


---------- Forwarded message ----------
Date: Fri, 17 May 2002 00:06:04 -0400
From: Harikrishna G. <harikrishnag@netplane.com>
To: "'riw@cisco.com'" <riw@cisco.com>
Subject: [RPSEC] Current Drafts....


Russ,
 I'm intereseted in working on it.

-Hari
-----Original Message-----
From: Naidu, Venkata [mailto:Venkata.Naidu@marconi.com]
Sent: Thursday, May 16, 2002 9:00 PM
To: 'Russ White'
Cc: 'rpsec@ietf.org'
Subject: RE: [RPSEC] Current Drafts....


Russ,

Add me to the team.

--
Venkata.
 
-> Y'all:
-> 
-> Is anyone working on a requirements draft, or requirements
-> drafts? Should we form a small team to go out and do this? Just
-> trying to figure out if work has started, and how to proceed.
-> 
-> :-)
-> 
-> Russ

_______________________________________________
RPSEC mailing list
RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec


_______________________________________________
RPSEC mailing list
RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec


From rpsec-admin@ietf.org  Fri May 17 08:43:15 2002
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Cc: rpsec@ietf.org, CLynn@bbn.com
Subject: Re: [RPSEC] Current Drafts....
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Russ,

I'll help, too.

Charlie

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From rpsec-admin@ietf.org  Mon May 20 20:25:24 2002
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count me in
---------- Forwarded message ----------
Date: Fri, 17 May 2002 00:06:04 -0400
From: Harikrishna G. <  <mailto:harikrishnag@netplane.com>
harikrishnag@netplane.com>
To: "  <mailto:'riw@cisco.com'> 'riw@cisco.com'" <  <mailto:riw@cisco.com>
riw@cisco.com>
Subject: [RPSEC] Current Drafts....
 

Russ,
 I'm intereseted in working on it.
 
-Hari
-----Original Message-----
From: Naidu, Venkata [mailto:Venkata.Naidu@marconi.com]
Sent: Thursday, May 16, 2002 9:00 PM
To: 'Russ White'
Cc:  <mailto:'rpsec@ietf.org'> 'rpsec@ietf.org'
Subject: RE: [RPSEC] Current Drafts....
 

Russ,
 
Add me to the team.
 
--
Venkata.
 
-> Y'all:
-> 
-> Is anyone working on a requirements draft, or requirements
-> drafts? Should we form a small team to go out and do this? Just
-> trying to figure out if work has started, and how to proceed.
-> 
-> :-)
-> 
-> Russ
 
_______________________________________________
RPSEC mailing list
 <mailto:RPSEC@ietf.org> RPSEC@ietf.org
 <https://www1.ietf.org/mailman/listinfo/rpsec>
https://www1.ietf.org/mailman/listinfo/rpsec
 

_______________________________________________
RPSEC mailing list
 <mailto:RPSEC@ietf.org> RPSEC@ietf.org
 <https://www1.ietf.org/mailman/listinfo/rpsec>
https://www1.ietf.org/mailman/listinfo/rpsec
 
 

**=====**=====**=====**=====**
Gregory M. Lebovitz
Staff Architect - CTO Office
NetScreen Technologies, Inc.
  e:  gregory@netscreen.com <mailto:gregory@netscreen.com> 
 ph: 408.730.6002
text page (<80 Chars):   page.gregory@netscreen.com
<mailto:page.gregory@netscreen.com> 
fax: 408.730.6200
web:  <http://www.netscreen.com/> www.netscreen.com
NASDAQ:   NSCN
**=====**=====**=====**=====** 

 

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<DIV><SPAN class=638102300-21052002></SPAN><SPAN 
class=638102300-21052002></SPAN><FONT face=Arial size=2>c<SPAN 
class=638102300-21052002>ount me in</SPAN></FONT><FONT face=Arial 
size=2><BR>---------- Forwarded message ----------<BR>Date: Fri, 17 May 2002 
00:06:04 -0400<BR>From: Harikrishna G. &lt;</FONT><A 
href="mailto:harikrishnag@netplane.com"><FONT face=Arial 
size=2>harikrishnag@netplane.com</FONT></A><FONT face=Arial size=2>&gt;<BR>To: 
"</FONT><A href="mailto:'riw@cisco.com'"><FONT face=Arial 
size=2>'riw@cisco.com'</FONT></A><FONT face=Arial size=2>" &lt;</FONT><A 
href="mailto:riw@cisco.com"><FONT face=Arial 
size=2>riw@cisco.com</FONT></A><FONT face=Arial size=2>&gt;<BR>Subject: [RPSEC] 
Current Drafts....</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><BR><FONT face=Arial size=2>Russ,<BR>&nbsp;I'm intereseted in working on 
it.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>-Hari<BR>-----Original Message-----<BR>From: Naidu, 
Venkata [mailto:Venkata.Naidu@marconi.com]<BR>Sent: Thursday, May 16, 2002 9:00 
PM<BR>To: 'Russ White'<BR>Cc: </FONT><A href="mailto:'rpsec@ietf.org'"><FONT 
face=Arial size=2>'rpsec@ietf.org'</FONT></A><BR><FONT face=Arial 
size=2>Subject: RE: [RPSEC] Current Drafts....</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><BR><FONT face=Arial size=2>Russ,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>Add me to the team.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>--<BR>Venkata.<BR>&nbsp;<BR>-&gt; Y'all:<BR>-&gt; 
<BR>-&gt; Is anyone working on a requirements draft, or requirements<BR>-&gt; 
drafts? Should we form a small team to go out and do this? Just<BR>-&gt; trying 
to figure out if work has started, and how to proceed.<BR>-&gt; <BR>-&gt; 
:-)<BR>-&gt; <BR>-&gt; Russ</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial 
size=2>_______________________________________________<BR>RPSEC mailing 
list<BR></FONT><A href="mailto:RPSEC@ietf.org"><FONT face=Arial 
size=2>RPSEC@ietf.org</FONT></A><BR><A 
href="https://www1.ietf.org/mailman/listinfo/rpsec"><FONT face=Arial 
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From rpsec-admin@ietf.org  Mon May 20 20:39:00 2002
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From: Gregory Lebovitz <Gregory@netscreen.com>
To: "'rpsec@ietf.org'" <rpsec@ietf.org>
Subject: RE: [RPSEC] URL to download my thesis on Byzantinely robust routi
	ng 
Date: Mon, 20 May 2002 17:29:38 -0700
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Radia and Sandy-
Have you posted the presos you gave at the MN BOF?
===================
I managed to find where it's posted, so if anyone is interested:
 
http://www.lcs.mit.edu/publications/specpub.php?id=997
<http://www.lcs.mit.edu/publications/specpub.php?id=997> 
 
is apparently a place to retrieve and print it.
 
Radia

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<META content="MSHTML 5.50.4912.300" name=GENERATOR></HEAD>
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<DIV><FONT face=Arial size=2><SPAN class=701383300-21052002>Radia and 
Sandy-</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=701383300-21052002>Have you posted the 
presos you gave at the MN BOF?</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=701383300-21052002>===================</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2>I managed to find where it's posted, so if anyone 
is interested:</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><A 
href="http://www.lcs.mit.edu/publications/specpub.php?id=997">http://www.lcs.mit.edu/publications/specpub.php?id=997</A></FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>is apparently a place to retrieve and print 
it.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>Radia</FONT></DIV></BODY></HTML>

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From rpsec-admin@ietf.org  Thu May 30 18:05:15 2002
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Date: Thu, 30 May 2002 18:04:07 -0400
From: "David G. Boney" <dboney@gwu.edu>
Organization: The George Washington University
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Hi,

I am currently writing a lierature review paper on routing security. I 
have a partial bibliography posted at 
http://student.seas.gwu.edu/~dboney/routingsecurity.html . Please let me 
know of any additional works that should be cited. It may not be current 
for recent publications.
-- 

Sincerely,
David G. Boney

Graduate Research Assistant
Department of Electrical and Computer Engineering
The George Washington University
Phillips Hall, Suite 607
801 22nd Street, N.W.
Washington, DC 20052

http://student.seas.gwu.edu/~dboney
mailto:dboney@gwu.edu
Department Phone (202) 994-6083
Department Fax (202) 994-0227

"I don't get up until noon, I only work a couple of hours
a day, and I spend the rest of my time reading.
I guess my calling in life is to be a professor."




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From rpsec-admin@ietf.org  Thu May 30 22:05:30 2002
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Subject: [RPSEC] MPLS Security
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Hi,

Would MPLS security be within the bounds of this group?
-- 

Sincerely,
David G. Boney

Graduate Research Assistant
Department of Electrical and Computer Engineering
The George Washington University
Phillips Hall, Suite 607
801 22nd Street, N.W.
Washington, DC 20052

http://student.seas.gwu.edu/~dboney
mailto:dboney@gwu.edu
Department Phone (202) 994-6083
Department Fax (202) 994-0227

"I don't get up until noon, I only work a couple of hours
a day, and I spend the rest of my time reading.
I guess my calling in life is to be a professor."





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From rpsec-admin@ietf.org  Thu May 30 22:36:39 2002
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Subject: RE: [RPSEC] MPLS Security
Date: Fri, 31 May 2002 10:31:59 +0800
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From: "Marwaha Shivanajay" <engp1609@nus.edu.sg>
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We may also inlcude ad hoc network routing security.

Regards,
Shivanajay
-~-~-~-~-~-~-~-~-~-~-~-~
Research Scholar,
Dept. of Electrical and Comp. Eng.
National University of Singapore
Singapore.
-~-~-~-~-~-~-~-~-~-~-~-~

-----Original Message-----
From: David G. Boney [mailto:dboney@gwu.edu] 
Sent: Friday, May 31, 2002 5:57 AM
To: rpsec@ietf.org
Subject: [RPSEC] MPLS Security


Hi,

Would MPLS security be within the bounds of this group?
-- 

Sincerely,
David G. Boney

Graduate Research Assistant
Department of Electrical and Computer Engineering
The George Washington University
Phillips Hall, Suite 607
801 22nd Street, N.W.
Washington, DC 20052

http://student.seas.gwu.edu/~dboney
mailto:dboney@gwu.edu
Department Phone (202) 994-6083
Department Fax (202) 994-0227

"I don't get up until noon, I only work a couple of hours
a day, and I spend the rest of my time reading.
I guess my calling in life is to be a professor."





_______________________________________________
RPSEC mailing list
RPSEC@ietf.org
https://www1.ietf.org/mailman/listinfo/rpsec

_______________________________________________
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https://www1.ietf.org/mailman/listinfo/rpsec


