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Re: IKE negotiation for ICMP message type selectors

> For example, we've had discussion on the list about using ICMP 
> message type fields in lieu of port fields, when ICMP was the
> payload.
> What do people think, and why?

Long overdue.  

Particularly important for IKE and IPv6 (as, pending introduction of
some facility to secure Neighbor Discovery) you likely want ND traffic
in clear while other ICMPv6 traffic is protected.

					- Bill