I believe this is it.
http://www.ietf.org/internet-drafts/draft-ietf-ipsec-nat-t-ike-02.txt
http://www.vpnc.org/draft-ietf-ipsec-nat-t-ike
And oddly enough an interesting FAQ on the scope of the issue
http://www.microsoft.com/windowsxp/pro/techinfo/planning/networking/natf
aq.asp
And pretty much
On Wednesday 05 June 2002 23:01, Steven Peck wrote:
I believe this is it.
snip
In brief, it appears to be a way to establish secure end to end
communications across NAT and the Internet specificcaly using the
UPnP standard proposed by Intel.
Though SSH doesn't come out and say this, they are
