Hi,
I'm not sure what non-backwards compatibility issue there is because
the IKEv2 header is, intentionally, the same as the ISAKMP header. The
former has MajVer as 2 and the latter has MajVer as 1. It's possible to
demultiplex a packet unambiguously.
I don't know what problem would be sol
Hello,
The IANA port number assignment for UDP/TCP port 500[0] reads as follows:
isakmp 500/tcpisakmp
isakmp 500/udpisakmp
# Mark Schertler
isakmp was originally designated in RFC2408[1] ยง 2.5.1 "Transport
Protocol" to be port 500 UDP. It was
