On Tue, Mar 29, 2005 at 02:28:23PM +1000, Paul (NCC/CS). wrote:
> 
> Manuel, others,
> 
> from our firewall guy:
> 
> >>>>
> The Firewall is a Cyberguard (its a stateful firewall)  Our net connection is Telstra - Bigpond

Is it ADSL, cable, something else ?
I suspect a MTU problem here.
Maybe you could also try
sysctl -w net.inet.tcp.rfc1323=0

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--