Re: IPv6 Neighbour Solicitation messages and IPsec

2001-01-07 Thread Jari Arkko
Stephen writes: >I'm not an IPv6 expert, but it seems that the issue here is who emits the message, >not just what ICMP >message is being emitted. >An IPsec implementation (gateway or host) has an ability to bypass control traffic >that it emits, >irrespective of SPD contents. So, I would expec

Re: IPv6 Neighbour Solicitation messages and IPsec

2000-12-27 Thread Stephen Kent
Jari, Stephen Kent wrote: > > * Path MTU discovery. Consider the following case: > > > > (N1)(VPNGW1)(R1)(VPNGW2)-(R2)(N2) > > > > Assume N1 wants to send traffic to N2, part of the path > > goes through an insecure network part, secured using >

Re: IPv6 Neighbour Solicitation messages and IPsec

2000-12-19 Thread Bill Sommerfeld
> > which in turn would prevent all communications. Also, as per RFC > > 2401 we do not in general have the possibility to specify policies > > for individual ICMP message types. > > This passed the IESG in RFC 2894 (so it must be true): > > >Note that for the SPD to distinguish Router Renu

Re: IPv6 Neighbour Solicitation messages and IPsec

2000-12-19 Thread Matt Crawford
> which in turn would prevent all communications. Also, as per RFC > 2401 we do not in general have the possibility to specify policies > for individual ICMP message types. This passed the IESG in RFC 2894 (so it must be true): Note that for the SPD to distinguish Router Renumbering from oth

Re: IPv6 Neighbour Solicitation messages and IPsec

2000-12-19 Thread Jari Arkko
Stephen Kent wrote: > > * Path MTU discovery. Consider the following case: > > > > (N1)(VPNGW1)(R1)(VPNGW2)-(R2)(N2) > > > > Assume N1 wants to send traffic to N2, part of the path > > goes through an insecure network part, secured using > >

Re: IPv6 Neighbour Solicitation messages and IPsec

2000-12-08 Thread Francis Dupont
In your previous mail you wrote: I'm wondering if there are any documents that specify rules regarding the use of IPsec in the context of IPv6 Neighbor Solicitations and possibly other ICMPv6 messages. => there was a nice presentation by Dan McDonald at a previous IETF about this (A

IPv6 Neighbour Solicitation messages and IPsec

2000-12-08 Thread Jari Arkko
I'm wondering if there are any documents that specify rules regarding the use of IPsec in the context of IPv6 Neighbor Solicitations and possibly other ICMPv6 messages. As defined by http://www.ietf.org/rfc/rfc2461.txt, and http://www.ietf.org/rfc/rfc2462.txt such IPv6 messages are needed to pe