Please support download setup-x86_64.exe on IPv6-only network

[Lee]

On Mon, Nov 20, 2023 at 7:13 PM Backwoods BC via Cygwin wrote:
>
> On Thu, Nov 16, 2023 at 12:41 PM Brian Inglis via Cygwin wrote:
> > The whole IP v4 internet is available as a compatibility subnet ::ffff:0:a.b.c.d
> > on IP v6, so there is no excuse for not supporting interconnection, as it will
> > be required until the last backbone routers drop IP v4 support.
>
> Just a small correction for the mail archives as this appears solved.
> The correct IPV6 address for the IPV4 address range is
> ::ffff:a.b.c.d  (no '0')

If you're going for correcting the record, let's make it correct.
::ffff:a.b.c.d is not a solution for IPv6 => IPv4 interconnection over
the Internet.

from:  https://www.rfc-editor.org/rfc/rfc5156

2.2.  IPv4-Mapped Addresses

   ::FFFF:0:0/96 are the IPv4-mapped addresses [RFC4291].  Addresses
   within this block should not appear on the public Internet.


Regards,
Lee