RFC 8305 Happy Eyeballs in OpenSSH

[Kim Minh Kaplan]

Gert Doering writes:

> Hi,
>
> On Mon, Feb 26, 2018 at 11:32:26AM +0000, Kim Minh Kaplan wrote:
>> TL;DR: please try the patch out and report if it causes "Did not receive
>> identification string" log messages.  I believe it does not.
>
> It depends on absolute RTT to the target.  If you stay local ("< 50ms"),
> the 250ms offset should reliably avoid DNIS logs.

Agreed.

> If you happen to
> connect to Australia from Europe ("200+ms RTT") the second SYN might
> go out before the first handshake is done...  but that should be 
> a somewhat rare occurrence.

Yes, but I claim that even when an other SYN is sent, it will not
trigger the DNRIS log.

Kim Minh.