Re: hotmail can't deal with ECN

[Jan Niehusmann]

On Fri, Jan 26, 2001 at 11:50:57AM +1100, CaT wrote:
> I'm not sure as to what the problem with hotmail may be. I have ECN
> turned on:
> 
> gozer:~# more /proc/sys/net/ipv4/tcp_ecn 
> 1
> 
> and I can contact hotmail just fine. I also can ftp to your site
> non-passively. where should I go to on hotmail to see it fail?

You may be located behind a firewall that zeroes out the ECN bits. This would
mean that hotmail doesn't get ECN packets and the connection gets established
just as if you were talking to a plain non-ECN server without a firewall.

Jan