Cannot connect to pop server

[Scot L. Harris]

On Fri, 2004-08-20 at 12:28, Alexander Dalloz wrote:
> Am Fr, den 20.08.2004 schrieb Bart Jourquin um 18:20:
> 
> > Well, the same problem occurs on FC2 boxes which are located at several
> > different places and networks...
> > 
> > I didn't find anything in the logs....
> > 
> > Bart
> 
> Bart,
> 
> I got it. They have a broken router!
> 
>  echo 0 > /proc/sys/net/ipv4/tcp_window_scaling
> 
> and then it will work for you. To deactivate TCP window scaling set it
> as following in the /etc/sysctl.conf:
> 
> # deactivate TCP window scaling
> net.ipv4.tcp_window_scaling = 0
> 
> Alexander

That would explain what I saw in the trace.  On the FC2 system it
increased the size of the TCP window and the ACK was dropped by the
router so it never got to the server.

Very interesting.

-- 
Scot L. Harris
webid at cfl.rr.com

Hurricane Charley survivor
Confirmed 105 MPH winds
3 Days 9.5 hours without power