Re: SIIT/NAT64 is similar to RSIP

[Jun-ichiro itojun Hagino <itojun@iijlab.net>]

>>> This does not have to be the case. Remove that knowledge from the
>>> application/kernel
>>> and then you do not need anymore PORT/PASV.
>> 	if you remove the knowledge, FTP client on IPv6-only machine cannot
>> 	transfer files from/to IPv4 FTP server (since IPv4 FTP server does not
>> 	understand EPSV/EPRT, with protocol #2).
>Not if your FTP client is IPv6-only!!!

	bzzzt.  wrong.
	if your FTP client is IPv6-only, it will issue EPSV/EPRT with protocol
	#2.   FTP server on the other end is IPv4-only, which does not
	understand it.

itojun