Fernando,

> > would that be other nodes than yourself and nodes on the same link
> > as yourself?
> 
> I guess in some scenarios it might be tricky.
> 
> For instance, even with link-local only multicast (as that used for
> ND), you can send a packet to a link-local multiast address, but
> sourced from any global address. Hence you can have your own network
> be an amplifier to attack a third party.

yes, but there are many other ways of doing that, and e.g. ping ff02::1 with 
victims source address
would be a lot more effective.

> Not to mention that if you're employing e.g. an openvpn Ethernet
> bridge, it becomes fuzzy what's your local link (i.e. real links vs.
> "virtual" link).

a virtual link is as good as any other in this context.

> IMO, this is the kind of feature that's "asking for trouble". IMHO,
> let's fix it, and move on.

I for one would like to see attack vectors outside the local link before 
supporting adopting this document.

cheers,
Ole

Attachment: signature.asc
Description: Message signed with OpenPGP using GPGMail

--------------------------------------------------------------------
IETF IPv6 working group mailing list
ipv6@ietf.org
Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------

Reply via email to