Hanging Website: TCP Problem?

[Aaron VanDevender]

On Wed, 2007-01-17 at 17:48 -0600, Jason L Tibbitts III wrote:
> >>>>> "AV" == Aaron VanDevender <sig at netdot.net> writes:
> 
> AV> I was trying to visit the website www.nap.edu (National Academies
> AV> Press) using my FC6 desktop machine, but firefox just grinds on it
> AV> indefinitely with "Waiting for www.nap.edu...". I can telnet to
> AV> port 80 of the site, and it connects, but after saying "GET /" it
> AV> just hangs, and never returns anything.
> 
> Broken routers not handling TCP window scaling?  Try:
>   echo 0 > /proc/sys/net/ipv4/tcp_window_scaling
> and see the thread starting at:
>   http://lkml.org/lkml/2006/6/13/103

Thanks, Jason. That did the trick. I'll let the owners know that they
need to fix their router and or server.


> 
> Unfortunately if this is the problem then disabling window scaling is
> not really a proper solution; only fixing the broken network devices
> works in the long term.
> 
>  - J<
>